mybattery laptop battery

Replacement Toshiba PA3384U-1BRS battery|New High Quality Toshiba PA3384U-1BRS battery Toshiba PA3384U-1BRS battery Description: Type: Li-ion Capacity: 4400 mAh Volt: 14.8 V Size: 273.75 x 71.80 x 20.80 mm Color: Black Toshiba PA3384U-1BRS battery Compatible original Battery Code: PA3382U-1BASPA3382U-1BRSPA3384U-1BASPA3384U-1BRS Toshiba PA3384U-1BRS battery Fit with below: Dynabook AW2Dynabook AW2 SeriesSatellite A60-662Satellite A60-672Satellite A60-742Satellite A60-743Satellite A60-752Satellite A60-772Satellite A60-S156Satellite A60-S1561Satellite A60-S159Satellite A60-S1591Satellite A60-S1662Satellite A60-SP126Satellite A60-SP159Satellite A65 SeriesSatellite A65-S1607Satellite Pro A60

Replacement Toshiba PA3285U-1BRS battery|New High Quality Toshiba PA3285U-1BRS battery Toshiba PA3285U-1BRS battery Description: Type: Li-ion Capacity: 4400mAH Volt: 10.8V Size: 129.60 x 71.76 x 20.20 mm Color: Black Toshiba PA3285U-1BRS battery Compatible original Battery Code: PA3284U-1BASPA3284U-1BRSPA3285U-1BASPA3285U-1BRSPA3285U-2BASPA3285U-2BRSPABAS073 Toshiba PA3285U-1BRS battery Fit with below: Qosmio E10Qosmio E10 SeriesQosmio E15Qosmio E15 SeriesQosmio F10Qosmio F10 SeriesQosmio F10-100Qosmio F10-105Qosmio F10-124Qosmio F10-125Qosmio F10-130Qosmio F15 SeriesQosmio G10Qosmio G10 SeriesQosmio G10-100Qosmio G10-106Qosmio G10-124Qosmio G10-133Qosmio G10-134Qosmio G15 SeriesQosmio G15-AV501Qosmio G20Qosmio G20 SeriesQosmio G20-102Qosmio G20-105Qosmio G20-106Qosmio G20-111Qosmio G20-123Qosmio G20-146Qosmio G20-147Qosmio G20-151Qosmio G20-153Qosmio G20-154Qosmio G20-156Qosmio G20-590LSQosmio G25 Series

Replacement Toshiba PA3191U-1BRS battery|New High Quality Toshiba PA3191U-1BRS battery Toshiba PA3191U-1BRS battery Description: Type: Li-ion Capacity: 4400 mAh Volt: 10.8 V Size: 126.45 x 69.67 x 20.20 mm Color: Black Toshiba PA3191U-1BRS battery Compatible original Battery Code: PA3128U-1BRSPA3191-2BASPA3191U-1BASPA3191U-1BRSPA3191U-2BRSPA3191U-3BASPA3191U-3BRSPA3191U-4BASPA3191U-4BRS Toshiba PA3191U-1BRS battery Fit with below: Portege M200Portege M200 SeriesPortege M200-102Portege M200-122Portege M200-152Portege M205Portege M400Portege M400-EZ5031Portege M400-S4031Portege M400-S4032Portege M400-S5032Portege M400-S933Portege M400-ST4001Portege M400-ST4035Portege M400-ST9113Portege M405Portege M405-S8003Satellite Pro 6000Satellite Pro 6050Satellite Pro 6100Satellite R10Satellite R10-101Satellite R15Tecra M4Tecra M4-103Tecra M4-107Tecra M4-S115TDTecra M4-S435Tecra TE2000 SeriesTecra TE2100 Series

Replacement Dell G5266 battery|New High Quality Dell G5266 battery
Dell G5266 battery Description:

Type: Li-ion

Capacity: 4400 mAh

Volt: 11.1 V
Size: 209.40 x 71.80 x 19.80 mm

Color: Black

Dell G5266 battery Compatible original Battery Code:

310-6321310-6322312-0339312-0340312-0348312-0349312-0350312-0429312-0455C5974D5318F5635G5260G5266U4873Y4873YF976
Dell G5266 battery Fit with below:

Inspiron 6000Inspiron 9200Inspiron 9300Inspiron 9400Inspiron E1705Inspiron XPS Gen 2Inspiron XPS M170Inspiron XPS M1710

Replacement Dell G5260 battery|New High Quality Dell G5260 battery
Dell G5260 battery Description:

Type: Li-ion

Capacity: 4400 mAh

Volt: 11.1 V
Size: 209.40 x 71.80 x 19.80 mm

Color: Black

Dell G5260 battery Compatible original Battery Code:

310-6321310-6322312-0339312-0340312-0348312-0349312-0350312-0429312-0455C5974D5318F5635G5260G5266U4873Y4873YF976
Dell G5260 battery Fit with below:

Inspiron 6000Inspiron 9200Inspiron 9300Inspiron 9400Inspiron E1705Inspiron XPS Gen 2Inspiron XPS M170Inspiron XPS M1710

Replacement Dell D5318 battery|New High Quality Dell D5318 battery
Dell D5318 battery Description:

Type: Li-ion

Capacity: 4400 mAh

Volt: 11.1 V
Size: 209.40 x 71.80 x 19.80 mm

Color: Black

Dell D5318 battery Compatible original Battery Code:

310-6321310-6322312-0339312-0340312-0348312-0349312-0350312-0429312-0455C5974D5318F5635G5260G5266U4873Y4873YF976
Dell D5318 battery Fit with below:

Inspiron 6000Inspiron 9200Inspiron 9300Inspiron 9400Inspiron E1705Inspiron XPS Gen 2

Replacement Acer BTP-43D1 battery|New High Quality Acer BTP-43D1 battery
Acer BTP-43D1 battery Description:
Type: Li-ion
Capacity: 4400 mAh
Volt: 14.8 V
Size: 138.00 x 95.10 x 24.40 mm
Color: Gray
Acer BTP-43D1 battery Compatible original Battery Code:
BTP-43D1
Acer BTP-43D1 battery Fit with below:
TravelMate 220TravelMate 222TravelMate 222XTravelMate 223TravelMate 223XTravelMate 223XVTravelMate 225TravelMate 225XTravelMate 225XVTravelMate 225XV-ProTravelMate 230TravelMate 230XCTravelMate 230XVTravelMate 230XV-PROTravelMate 233LCTravelMate 233XTravelMate 233XCTravelMate 233XVTravelMate 233XviTravelMate 234TravelMate 234LciTravelMate 260TravelMate 261TravelMate 261XCTravelMate 261XVTravelMate 261XV-XP SeriesTravelMate 280TravelMate 281TravelMate 281 SeriesTravelMate 281XCTravelMate 281XVTravelMate 283LCTravelMate 283LCiTravelMate 283XVTravelMate 283XVi

Replacement Acer BTP-58A1 battery|New High Quality Acer BTP-58A1 battery
Acer BTP-58A1 battery Description: Type: Li-ion
Capacity: 4400 mAh
Volt: 14.8 V
Size: 273.95 x 73.00 x 21.40 mm
Color: Gray
Acer BTP-58A1 battery Compatible original Battery Code:
909-242091.49V28.001BT.00803.004BT.T3004.001BT.T3007.001BT.T3007.003BTP-58A1BTP-59A1BTP-60A1BTP-84A1BTP-85A1LC.BTP01.003LC.BTP03.002
Acer BTP-58A1 battery Fit with below:
Aspire 1360Aspire 1360LCAspire 1362Aspire 1362LCAspire 1362LCiAspire 1362LMAspire 1362LMiAspire 1362WLCAspire 1362WLCiAspire 1362WLMAspire 1362WLMiAspire 1363Aspire 1363LCAspire 1363LCiAspire 1363LMiAspire 1363WLCiAspire 1363WLMAspire 1363WLMiAspire 1365Aspire 1365LCiAspire 1365LMiAspire 1520Aspire 1520LMiAspire 1521Aspire 1521LCiAspire 1521LMiAspire 1522Aspire 1522LCAspire 1522LMiAspire 1522WLMAspire 1522WLMiAspire 1523Aspire 1523LMi

Replacement Acer TravelMate 220 battery |New High Quality Acer TravelMate 220 battery
Acer TravelMate 220 battery Description:
Type: Li-ion
Capacity: 4400 mAh
Volt: 14.8 V
Size: 138.00 x 95.10 x 24.40 mm
Color: Gray
Acer TravelMate 220 battery Compatible original Battery Code:
BTP-43D1
Acer TravelMate 220 battery Fit with below:
TravelMate 220TravelMate 222TravelMate 222XTravelMate 223TravelMate 223XTravelMate 223XVTravelMate 225TravelMate 225XTravelMate 225XVTravelMate 225XV-ProTravelMate 230TravelMate 230XCTravelMate 230XVTravelMate 230XV-PROTravelMate 233LCTravelMate 233XTravelMate 233XCTravelMate 233XVTravelMate 233XviTravelMate 234TravelMate 234LciTravelMate 260TravelMate 261TravelMate 261XCTravelMate 261XVTravelMate 261XV-XP SeriesTravelMate 280TravelMate 281TravelMate 281 SeriesTravelMate 281XCTravelMate 281XVTravelMate 283LCTravelMate 283LCiTravelMate 283XVTravelMate 283XVi

Replacement Acer BTP-63D1 battery|New High Quality Acer BTP-63D1 battery
Acer BTP-63D1 batteryDescription:
Type: Li-ion
Capacity: 4400 mAh
Volt: 14.8V
Size: 139.60 x 88.15 x 20.70 mm
Color: Gray
Acer BTP-63D1 battery Compatible original Battery Code:
60.49Y02.00191.49Y28.001BT.T2803.001BTP-63D1LC.BTP01.005
Acer BTP-63D1 battery Fit with below:
TravelMate C300TravelMate C300XciTravelMate C300XCi-GTravelMate C300XMTravelMate C300XMiTravelMate C300XMibTravelMate C301TravelMate C301 SeriesTravelMate C301XCiTravelMate C301XCi-GTravelMate C301XMTravelMate C301XmiTravelMate C301XMibTravelMate C302TravelMate C302 SeriesTravelMate C302MXiTravelMate C302XCTravelMate C302XCiTravelMate C302XmiTravelMate C302XMibTravelMate C302XMi-G

Replacement Acer BTP-42C1 battery|New High Quality Acer BTP-42C1 battery
Acer BTP-42C1 battery Description:
Type: Li-ion
Capacity: 1800 mAh
Volt: 14.8V
Size: 142.65 x 70.65 x 16.05 mm
Color: D. blue
Acer BTP-42C1 battery Compatible original Battery Code:
6M.48RBT.00191.48R28.001BT.T2703.001BTP-42C1
Acer BTP-42C1 battery Fit with below:
TravelMate C102TTravelMate C102TCiTravelMate C102TiTravelMate C104CTiTravelMate C104TTravelMate C104TCiTravelMate C104TiTravelMate C110TTravelMate C110TCTravelMate C110TciTravelMate C110TiTravelMate C111TravelMate C111CTiTravelMate C111TTravelMate C111TCTravelMate C111TCiTravelMate C111TCibTravelMate C111TiTravelMate C112TTravelMate C112TCTravelMate C112TCiTravelMate C112Ti

Replacement Acer BTP-44A3 battery|New High Quality Acer BTP-44A3 battery
Acer BTP-44A3 battery Description:
Type: Li-ion
Capacity: 4400 mAh
Volt: 14.8 V
Size: 00
Color: Black
Acer BTP-44A3 battery Compatible original Battery Code:
BT-A0201-001BTP-44A3MS2111
Acer BTP-44A3 battery Fit with below:
Aspire 1400Aspire 1400XCAspire 1403L

Replacement Acer BTP-550P battery|New High Quality Acer BTP-550P battery
Acer BTP-550P battery Description:
Type: Li-ion
Capacity: 4400 mAh
Volt: 14.8 V
Size: 128.00 x 98.20 x 23.30 mm
Color: Gray
Acer BTP-550P battery Compatible original Battery Code:
BATBY27LBTP-550PBTP-BAT30N3
Acer BTP-550P battery Fit with below:
Aspire 1200TravelMate 270TravelMate 270XVTravelMate 272TravelMate 272LCTravelMate 272XTravelMate 272XVTravelMate 272XViTravelMate 273TravelMate 273XTravelMate 273XVTravelMate 275TravelMate 275LCTravelMate A550

The word 'memory' was originally derived from 'cyclic memory'; meaning that a nickel-cadmium battery could remember how much energy was drawn on preceding discharges. On a longer than scheduled discharge, the voltage would rapidly drop and the battery would lose power. IBM Laptop Battery Improvements in battery technology have virtually eliminated this phenomenon.

The problem with nickel-cadmium is not so much the cyclic memory but the effects of crystalline formation. The active cadmium material is present in finely divided crystals. In a good cell, these crystals remain small, obtaining maximum surface area. With memory, IBM 08K8193 Battery, IBM 08K8192 Battery, IBM 92P1101 Battery, IBM 92P1089 Battery, IBM 92P1087 Battery, IBM 08K8194 Battery,the crystals grow and conceal the active material from the electrolyte. In advanced stages, the sharp edges of the crystals penetrate the separator, causing high self-discharge or electrical short.

When introduced in the early 1990s, nickel-metal-hydride was promoted as being memory-free. Today, we know that this chemistry is also affected but to a lesser degree than nickel-cadmium. The nickel plate, a metal that is shared by both chemistries, is partly to blame. While nickel-metal-hydride has only the nickel plate to worry about, nickel-cadmium also includes the memory-prone cadmium plate. This is a non-scientific explanation why nickel-cadmium is affected more than nickel-metal-hydride.

The stages of crystalline formation of a nickel-cadmium cell are illustrated in Figure 1. The enlargements show the cadmium plate in a proper functioning crystal structure, crystalline formation after use (or abuse) and restoration.

New nickel-cadmium cell. The anode is in fresh condition. Hexagonal cadmium hydroxide crystals are about 1 micron in cross section, exposing large surface area to the electrolyte for maximum performance. Cell with crystalline formation. Crystals have grown to 50 to 100 microns in cross section, concealing large portions of the active material from the electrolyte. Jagged edges and sharp corners may pierce the separator, leading to increased self-discharge or electrical short. Restored cell. After pulsed charge, the crystals are reduced to 3 to 5 microns, an almost 100% restoration. Exercise or recondition are needed if the pulse charge alone is not effective.

Figure 1: Crystalline formation on nickel-cadmium cell.
Illustration courtesy of the US Army Electronics Command in Fort Monmouth, NJ, USA.

How to restore and prolong nickel-based batteries
Crystalline formation is most pronounced if a nickel-based battery is left in the charger for days, IBM 08K8194 Battery, or if repeatedly recharged without a periodic full discharge. Since most applications do not use all energy before recharge, a periodic discharge to 1 volt per cell (known as exercise) is essential to prevent memory.

Nickel-cadmium in regular use and on standby mode (sitting in a charger for operational readiness) should be exercised once per month. Between these monthly exercise cycles, no further service is needed. No scientific research is available on the optimal exercise requirements of nickel-metal-hydride. Based on the reduced crystalline buildup, applying a full discharge once every three months appears right. Because of the shorter cycle life compared to nickel-cadmium, over-exercising is not recommended.

Exercise and Recondition - Research has shown that the crystals ingrain themselves if no exercise is applied to nickel-cadmium for three months or more. A full restoration with exercise becomes more difficult the longer service is withheld. In advanced cases 'recondition' is required.

Recondition is a slow, secondary discharge applied below the 1 volt/cell threshold. During this process,IBM 08K8193 Battery, IBM 08K8192 Battery, IBM 92P1101 Battery, IBM 92P1089 Battery, IBM 92P1087 Battery, IBM 08K8194 Battery, the current must be kept low to minimize cell reversal. Nickel-cadmium can tolerate a small amount of cell reversal but caution must be applied to stay within the allowable current limit.

Tests performed by the US Army have shown that a nickel-cadmium cell needs to be discharged to at least 0.6V to effectively break up the more resistant crystalline formation. Figure 2 illustrates the battery voltage during a discharge to 1V/cell, followed by the secondary discharge to 0.4V/cell.

Figure 2: Exercise and recondition features of a Cadex battery analyzer.If a nickel-cadmium battery has not been exercised for three months or longer, recondition is required to restore capacity. Recondition is a slow, deep discharge to 0.4V/cell. If service is denied for 6 to 12 months, recondition becomes ineffective.

Figure 3 illustrates the effects of exercise and recondition. Four nickel-cadmium batteries afflicted with various degrees of memory are serviced. The batteries are first fully charged, then discharged to 1V/cell. The resulting capacities are plotted on a capacity scale of 0 to 120% in the first column. IBM 92P1087 Battery Additional discharge/charge cycles are applied and the battery capacities are plotted in the subsequent columns. The green line represents 'exercise', and the blue line 'recondition'. The exercise and recondition cycles are applied manually at the discretion of the research technician.

Figure 3: Effects of exercise and recondition.Four batteries afflicted with memory are serviced. Battery 'A' improved capacity on exercise alone; batteries 'B' and 'C' required recondition. The new battery improved further with recondition.

Battery 'A' responded well to exercise alone and no recondition was required. This battery may have been in service for only a few months or has received periodic exercise cycles. Batteries 'B' and 'C' required recondition to restore performance. Without recondition, these two batteries would have been discarded.

After service, the restored batteries were returned to full use. When examined after six months of field service, no noticeable degradation in the performance was visible. The regained capacity was permanent but periodic service will be needed to maintain the performance.

Applying the recondition cycle on a new battery (top line on chart) resulted in a slight capacity gain. This increase is not fully understood, other than to assume that the battery improved by additional forming. Another explanation is early presence of memory. Since new batteries are stored with some charge,IBM 92P1089 Battery the self-discharge that occurs during storage produces some crystalline formation. Exercising and reconditioning reverse this effect.

Recondition has its limitations. If no exercise had been applied for 6 to 12 months, permanent damage may have been inflicted. The capacity may not recover or the pack may suffer from high self-discharge caused by a marred separator. Older batteries may get worse with recondition.IBM 08K8193 Battery, IBM 08K8192 Battery, IBM 92P1101 Battery, IBM 92P1089 Battery, IBM 92P1087 Battery, IBM 08K8194 Battery, These packs can be compared to an old man to whom strenuous activity is harmful. Such batteries must be replaced.

Typically 50%-70% of discarded nickel-cadmium batteries can be restored when using the exercise and recondition methods of a Cadex battery analyzer or equivalent. The recovery rate of nickel-metal-hydride is about 40%. This lower yield is, in part, due to the battery's low cycle count.

Field results on exercise and recondition

After the Balkan War, the Dutch Army examined how many field batteries could be restored with a battery analyzer (Cadex). The army was aware that the packs were used under less than ideal conditions. They had been sitting in the chargers with only 2-3 hours use per day.

The capacity on some packs had dropped from 100% to 30%. With the analyzer's recondition function, 9 of 10 batteries were restored to 80% and higher. The nickel-cadmium batteries were 2-3 years old.

The importance of exercising and reconditioning is emphasized by another study carried out for the US Navy by GTE Government Systems. To determine the percentage of batteries needing replacement in the first year of use, one group of batteries received charge only (no maintenance),IBM 08K8193 Battery another group was periodically exercised and a third group received recondition. The batteries studied were used for two-way radios on US aircraft carriers.

With charge only (charge-and-use), the annual percentage of battery failure was 45% (Figure 4). With exercise, the failure rate was reduced to 15%. By far the best results were achieved with recondition. The failure rate dropped to 5%.

Maintenance Models Annual % of Batteries Rrequiring Replacement Annual Cost Charge-and-use 45% $40,500 Exercise 14% $13,500 Recondition 5% $4,500

Figure 4: Replacement rates of nickel-cadmium batteries. Exercise and recondition prolong battery life by three and nine respectively.

The GTE report concluded that a battery analyzer featuring exercise and recondition functions costing $2,500US would return its investment in less than one month on battery savings alone.

Simple Guidelines

• Do not leave a nickel-based battery in a charger for more than a few days, IBM 08K8193 Battery, IBM 08K8192 Battery, IBM 92P1101 Battery, IBM 92P1089 Battery, IBM 92P1087 Battery, IBM 08K8194 Battery, even on trickle charge.
• Exercise nickel-cadmium every 1 to 2 months and nickel-metal-hydride every 3 months. Running the battery down in the equipment may do this also.
• Do not discharge the battery before each recharge. This puts undue stress on the battery.
• Avoid getting the battery too hot during charge. The temperature should only rise for a short moment at full charge, then cool off.

Battery research is focusing heavily on lithium chemistries, so much so that one could presume that all portable devices will be powered with lithium-ion batteries in the future. In many ways, lithium-ion is superior to nickel and lead-based chemistries and the applications for lithium-ion batteries are growing as a result.

Lithium-ion has not yet fully matured and is being improved continuously.IBM Laptop Battery New metal and chemical combinations are being tried every six months to increase energy density and prolong service life. The improvements in longevity after each change will not be known for a few years.

A lithium-ion battery provides 300-500 discharge/charge cycles. The battery prefers a partial rather than a full discharge. Frequent full discharges should be avoided when possible. Instead, charge the battery more often or use a larger battery.IBM 08K8196 Battery, IBM 92P1102 Battery , IBM 92P1077 Battery, IBM 92P1073 Battery, IBM 08K8199 Battery, IBM 08K8198 Battery,There is no concern of memory when applying unscheduled charges.

Although lithium-ion is memory-free in terms of performance deterioration, batteries with fuel gauges exhibit what engineers refer to as "digital memory". Here is the reason: Short discharges with subsequent recharges do not provide the periodic calibration needed to synchronize the fuel gauge with the battery's state-of-charge. A deliberate full discharge and recharge every 30 charges corrects this problem. Letting the battery run down to the cut-off point in the equipment will do this. If ignored, the fuel gauge will become increasingly less accurate. (Read more in 'Choosing the right battery for portable computing', Part Two.)

Aging of lithium-ion is an issue that is often ignored. A lithium-ion battery in use typically lasts between 2-3 years. The capacity loss manifests itself in increased internal resistance caused by oxidation. Eventually, the cell resistance reaches a point where the pack can no longer deliver the stored energy although the battery may still have ample charge.IBM 08K8198 Battery, For this reason, an aged battery can be kept longer in applications that draw low current as opposed to a function that demands heavy loads. Increasing internal resistance with cycle life and age is typical for cobalt-based lithium-ion, a system that is used for cell phones, cameras and laptops because of high energy density. The lower energy dense manganese-based lithium-ion, also known as spinel, maintains the internal resistance through its life but loses capacity due to chemical decompositions. Spinel is primarily used for power tools.

The speed by which lithium-ion ages is governed by temperature and state-of-charge. Figure 1 illustrates the capacity loss as a function of these two parameters.

Figure 1: Permanent capacity loss of lithium-ion as a function of temperature and charge level.
High charge levels and elevated temperatures hasten permanent capacity loss. Improvements in chemistry have increased the storage performance of lithium-ion batteries.

The mentioning of limited service life on lithium-ion has caused concern in the battery industry and I will need to add some clarifications. Let me explain:
If someone asks how long we humans live, we would soon find out that the longevity varies according to life style and living conditions that exist in different countries. Similar conditions exist with the batteries, lithium-ion in particular. Since BatteryUniversity bases its information on the feedback from users as opposed to scientific information derived from a research lab, IBM 92P1077 Batterylongevity results may differ from manufacturer' specifications. Let's briefly look at the various living conditions of the lithium-ion battery.

The worst condition is keeping a fully charged battery at elevated temperatures, which is the case with running laptop batteries. If used on main power, the battery inside a laptop will only last for 12-18 months. I must hasten to explain that the pack does not die suddenly but begins with reduced run-times.

The voltage level to which the cells are charged also plays an important role to longevity. IBM 08K8196 Battery, IBM 92P1102 Battery , IBM 92P1077 Battery, IBM 92P1073 Battery, IBM 08K8199 Battery, IBM 08K8198 Battery,For safety reasons, most lithium-ion cannot exceed 4.20 volts per cell. While a higher voltage boosts capacity, the disadvantage is lower cycle life. Figure 2 shows the cycle life as a function of charge voltage.

Figure 2: Effects on cycle life at different float charge levels (Choi et al., 2002) Higher charge voltages boost capacity but lower cycle life.

There are no remedies to restore lithium-ion once worn out. A momentary improvement in performance is noticeable when heating up the battery. This lowers the internal resistance momentarily but the condition reverts back to its former state when the temperature drops. Cold temperature will increase the internal resistance.

If possible, store the battery in a cool place at about a 40% state-of-charge. Some reserve charge is needed to keep the battery and its protection circuit operational during prolonged storage. Avoid keeping the battery at full charge and high temperature. This is the case when placing a cell phone or spare battery in a hot car. Running a laptop computer on the mains has a similar temperature problem. While the battery is kept fully charged, the inside temperature during operation rises to 45°C (113°F).

Removing the battery from the laptop when running on fixed power protects the battery from heat. With the concern of the battery overheating and causing fire, a spokesperson for the U.S. Consumer Product Safety Commission advises to eject the battery of affected laptops and to run the machines on a power cord. It should be noted that on a power outage, unsaved works will be lost.
The question is often asked, should the laptop be disconnected from the main when not in use? Under normal circumstances, it should not matter with lithium-ion. Once the battery is fully charged, no further charge is applied. However, there is always the concern is malfunction of the AC adapter,IBM 92P1102 Battery the laptop or the battery.

A large number of lithium-ion batteries for cell phones are being discarded under the warranty return policy. Some failed batteries are sent to service centers or the manufacturer, where they are refurbished. Studies show that 80%-90% of the returned batteries can be repaired and returned to service.

Some lithium-ion batteries fail due to excessive low discharge. If discharged below 2.5 volts per cell, the internal safety circuit opens and the battery appears dead. A charge with the original charger is no longer possible. Some battery analyzers (Cadex) feature a boost function that reactivates the protection circuit of a failed battery and enables a recharge. However, if the cell voltage has fallen below 1.5V/cell and has remained in that state for a few months, a recharge should be avoided because of safety concerns. To prevent failure, never store the battery fully discharged. Apply some charge before storage, and then charge fully before use.

All personal computers (and some other electronic devices) contain a battery for memory back up. IBM 08K8196 Battery, IBM 92P1102 Battery , IBM 92P1077 Battery, IBM 92P1073 Battery, IBM 08K8199 Battery, IBM 08K8198 Battery,This battery is commonly a small non-rechargeable lithium cell, which provides a small current when the device is turned off. The PC uses the battery to retain certain information when the power is off. These are the BIOS settings, current date and time, as well as resource assignment for Plug and Play systems. Storage does shorten the service life of the backup battery to a few years. Some say 1-2 years. By keeping the computer connected to the main, albeit turned off, a battery on the PC motherboards should be good for 5-7 years. A PC should give the advanced warning when battery gets low. IBM 08K8196 Battery A dead back-up battery will wipe out the volatile memory and erase certain settings. After battery is replaced, the PC should again be operational.

Longevity of high-power lithium-ion
Generally speaking, batteries live longer if treated in a gentle manner. High charge voltages, excessive charge rate and extreme load conditions will have a negative effect and shorten the battery life. This also applies to high current rate lithium-ion batteries.

Not only is it better to charge lithium-ion battery at a slower charge rate, high discharge rates also contribute the extra wear and tear. Figure 3 shows the cycle life as a function of charge and discharge rates. Observe the good laboratory performance if the battery is charged and discharged at 1C. (A 0.5C charge and discharge would further improve this rating.)

Figure 3: Longevity of lithium-ion as a function of charge and discharge rates. A moderate charge and discharge puts less stress on the battery, resulting in a longer cycle life.

Battery experts agree that the life of lithium-ion depends on other factors than charge and discharge rates. Even though incremental improvements can be achieved with careful use of the battery, our environment and the services required are not always conducive to achieve optimal battery life. The longevity of a battery is often a direct result of the environmental stresses applied.

Simple Guidelines

• Avoid frequent full discharges because this puts additional strain on the battery. Several partial discharges with frequent recharges are better for lithium-ion than one deep one. Recharging a partially charged lithium-ion does not cause harm because there is no memory. (In this respect, lithium-ion differs from nickel-based batteries.) Short battery life in a laptop is mainly cause by heat rather than charge / discharge patterns.
• Batteries with fuel gauge (laptops) should be calibrated by applying a deliberate full discharge once every 30 charges. Running the pack down in the equipment does this. If ignored, the fuel gauge will become increasingly less accurate and in some cases cut off the device prematurely.
• Keep the lithium-ion battery cool. Avoid a hot car. For prolonged storage, IBM 08K8196 Battery, IBM 92P1102 Battery , IBM 92P1077 Battery, IBM 92P1073 Battery, IBM 08K8199 Battery, IBM 08K8198 Battery, keep the battery at a 40% charge level.
• Consider removing the battery from a laptop when running on fixed power. (Some laptop manufacturers are concerned about dust and moisture accumulating inside the battery casing.)
• Avoid purchasing spare lithium-ion batteries for later use. Observe manufacturing dates. Do not buy old stock, even if sold at clearance prices.
• If you have a spare lithium-ion battery, use one to the fullest and keep the other cool by placing it in the refrigerator. Do not freeze the battery. For best results, store the battery at 40% state-of-charge.

A battery explosion is caused by the misuse or malfunction of a battery, such as attempting to recharge a primary (non-rechargeable) battery,[70] or short circuiting a battery.[71] With car batteries, explosions are most likely to occur when a short circuit generates very large currents. In addition, HP 346970-001 Battery, car batteries liberate hydrogen when they are overcharged (because of electrolysis of the water in the electrolyte). Normally the amount of overcharging is very small, as is the amount of explosive gas developed, and the gas dissipates quickly. However, when "jumping" a car battery, the high current can cause the rapid release of large volumes of hydrogen, HP 346970-001 Battery,HP DP390A Battery,HP Presario R3000 Battery,HP Pavilion ZV5000 Batterywhich can be ignited by a nearby spark (for example, when removing the jumper cables).

When a battery is recharged at an excessive rate, an explosive gas mixture of hydrogen and oxygen may be produced faster than it can escape from within the walls of the battery, leading to pressure build-up and the possibility of the battery case bursting. In extreme cases, the battery acid may spray violently from the casing of the battery and cause injury. Overcharging—that is, attempting to charge a battery beyond its electrical capacity—can also lead to a battery explosion, leakage, or irreversible damage to the battery. It may also cause damage to the charger or device in which the overcharged battery is later used. Additionally, disposing of a battery in fire may cause an explosion as steam builds up within the sealed case of the battery.[71]

Leaked alkaline battery[edit] Leakage
One style of disposable battery uses a zinc "can" as both a reactant and as the container to hold the other reagents. If this kind of battery is run all the way down, or if it is recharged after running down too far, the reagents can emerge through the cardboard and plastic that form the remainder of the container.HP DP390A Battery, The active chemicals can then corrode or otherwise destroy the equipment that they were inserted into.

Many battery chemicals are corrosive or poisonous or both. If leakage occurs,HP 346970-001 Battery,HP DP390A Battery,HP Presario R3000 Battery,HP Pavilion ZV5000 Battery either spontaneously or through accident, the chemicals released may be dangerous.

[edit] Environmental concerns
The widespread use of batteries has created many environmental concerns, such as toxic metal pollution.[72] Battery manufacture consumes resources and often involves hazardous chemicals. Used batteries also contribute to electronic waste. Some areas now have battery recycling services available to recover some of the materials from used batteries.[73] Batteries may be harmful or fatal if swallowed.[74] Recycling or proper disposal prevents dangerous elements (such as lead, mercury, and cadmium) found in some types of batteries from entering the environment. In the United States, Americans purchase nearly three billion batteries annually, and about 179,000 tons of those end up in landfills across the country.[75]

In the United States, HP Presario R3000 Battery, the Mercury-Containing and Rechargeable Battery Management Act of 1996 banned the sale of mercury-containing batteries (except small button cell batteries), enacted uniform labeling requirements for rechargeable batteries, and required that rechargeable batteries be easily removable.[76] California, and New York City prohibit the disposal of rechargeable batteries in solid waste, and along with Maine require recycling of cell phones.[77] The rechargeable battery industry has nationwide recycling programs in the United States and Canada, with dropoff points at local retailers.[77]

The Battery Directive of the European Union has similar requirements, in addition to requiring increased recycling of batteries, and promoting research on improved battery recycling methods.[78]

[edit] Battery chemistry
Older batteries were mostly based on rechargeable lead-acid or non-rechargeable alkaline chemistries, with nominal voltages in increments of 2.10 - 2.13 and 1.5 Volts respectively, each representing one individual electrochemical cell.

New special battery chemistries have strained older naming conventions. Rechargeable NiCd (Nickel Cadmium) and NiMH (Nickel Metal Hydride) typically output 1.25 V per cell. Some devices may not operate properly with these cells,HP 346970-001 Battery,HP DP390A Battery,HP Presario R3000 Battery,HP Pavilion ZV5000 Battery given the 16% reduction in voltage, but most modern ones handle them well. Conversely, lithium-ion rechargeable batteries output 3.7 V per cell, 23% higher than a pair of alkaline cells (3 V), which they are often designed to replace. Non-rechargeable lithium-chemistry batteries,HP Pavilion ZV5000 Battery, which provide exceptionally high energy density, produce about 1.5 V per cell and are thus similar to alkaline batteries.

Many new battery sizes refer to both the batteries' size and chemistry, while older names do not. For a more complete list see battery types. This summary is only for types relating to battery "sizes

Rechargeable batteriesRechargeable batteries traditionally self-discharge more rapidly than disposable alkaline batteries, especially nickel-based batteries; a freshly charged NiCd loses 10% of its charge in the first 24 hours, and thereafter discharges at a rate of about 10% a month.[57] However, modern lithium designs have reduced the self-discharge rate to a relatively low level (but still poorer than for primary batteries).[57] Most nickel-based batteries are partially discharged when purchased, and must be charged before first use.[58]

Although rechargeable batteries may be refreshed by charging,Dell Inspiron 9400 Battery,Dell D5318 Battery,Dell Latitude CPi Battery,Dell Inspiron 8100 Battery, they still suffer degradation through usage. Low-capacity nickel metal hydride (NiMH) batteries (1700-2000 mA·h) can be charged for about 1000 cycles, whereas high capacity NiMH batteries (above 2500 mA·h) can be charged for about 500 cycles.[59] Nickel cadmium (NiCd) batteries tend to be rated for 1,000 cycles before their internal resistance increases beyond usable values. Normally a fast charge, rather than a slow overnight charge, will result in a shorter battery lifespan.[59] However, if the overnight charger is not "smart" and cannot detect when the battery is fully charged, then overcharging is likely, Dell Inspiron 9400 Battery which will damage the battery.[60] Degradation usually occurs because electrolyte migrates away from the electrodes or because active material falls off the electrodes. NiCd batteries suffer the drawback that they should be fully discharged before recharge. Without full discharge, crystals may build up on the electrodes, thus decreasing the active surface area and increasing internal resistance. This decreases battery capacity and causes the "memory effect". These electrode crystals can also penetrate the electrolyte separator, thereby causing shorts. NiMH, although similar in chemistry, does not suffer from memory effect to quite this extent.[61] When a battery reaches the end of its lifetime, it will not suddenly lose all of its capacity; rather, its capacity will gradually decrease.[62]

Automotive lead-acid rechargeable batteries have a much harder life.[63] Because of vibration, shock, heat, cold, and sulfation of their lead plates, few automotive batteries last beyond six years of regular use.[64] Automotive starting batteries have many thin plates to provide as much current as possible in a reasonably small package. In general, the thicker the plates, the longer the life of the battery.[63] Typically they are only drained a small amount before recharge. Care should be taken to avoid deep discharging a starting battery, since each charge and discharge cycle causes active material to be shed from the plates.

"Deep-cycle" Dell Inspiron 9400 Battery,Dell D5318 Battery,Dell Latitude CPi Battery,Dell Inspiron 8100 Battery, lead-acid batteries such as those used in electric golf carts have much thicker plates to aid their longevity.[65] The main benefit of the lead-acid battery is its low cost; the main drawbacks are its large size and weight for a given capacity and voltage.[63] Lead-acid batteries should never be discharged to below 20% of their full capacity,[66] because internal resistance will cause heat and damage when they are recharged.Dell D5318 Battery, Deep-cycle lead-acid systems often use a low-charge warning light or a low-charge power cut-off switch to prevent the type of damage that will shorten the battery's life.[67]

[edit] Extending battery life
Battery life can be extended by storing the batteries at a low temperature, as in a refrigerator or freezer, because the chemical reactions in the batteries are slower. Such storage can extend the life of alkaline batteries by ~5%; while the charge of rechargeable batteries can be extended from a few days up to several months.[68] In order to reach their maximum voltage, batteries must be returned to room temperature; discharging an alkaline battery at 250 mAh at 0°C is only half as efficient as it is at 20°C.[36] As a result, alkaline battery manufacturers like Duracell do not recommend refrigerating or freezing batteries.[35]

[edit] Prolonging life in multiple cells through cell balancing
Analog front ends that balance cells and eliminate mismatches of cells in series or parallel combination significantly improve battery efficiency and increase the overall pack capacity. As the number of cells and load currents increase, the potential for mismatch also increases. There are two kinds of mismatch in the pack: State-of-Charge (SOC) and capacity/energy (C/E) mismatch. Dell Latitude CPi Battery Though the SOC mismatch is more common, each problem limits the pack capacity (mAh) to the capacity of the weakest cell.

Cell balancing principle
Battery pack cells are balanced when all the cells in the battery pack meet two conditions:

If all cells have the same capacity, then they are balanced when they have the same State of Charge (SOC.) In this case, the Open Circuit Voltage (OCV) is a good measure of the SOC. If, in an out of balance pack, all cells can be differentially charged to full capacity (balanced), then they will subsequently cycle normally without any additional adjustments. This is mostly a one shot fix.
If the cells have different capacities, they are also considered balanced when the SOC is the same. But, since SOC is a relative measure, the absolute amount of capacity for each cell is different. To keep the cells with different capacities at the same SOC, cell balancing must provide differential amounts of current to cells in the series string during both charge and discharge on every cycle.
Cell balancing electronics
A battery pack requires additional components and circuitry to achieve cell balancing. Cell balancing is defined as the application of differential currents to individual cells (or combinations of cells) in a series string. Normally, of course, cells in a series string receive identical currents. A battery pack requires additional components and circuitry to achieve cell balancing. However, Dell Inspiron 9400 Battery,Dell D5318 Battery,Dell Latitude CPi Battery,Dell Inspiron 8100 Battery,the use of a fully integrated analog front end for cell balancing reduces the required external components to just balancing resistors.

It is important to recognize that the cell mismatch results more from limitations in process control and inspection than from variations inherent in the Lithium Ion chemistry. The use of a fully integrated analog front end for cell balancing can improve the performance of series connected Li-ion Cells by addressing both SOC and C/E issues.[69] SOC mismatch can be remedied by balancing the cell during an initial conditioning period and subsequently only during the charge phase.Dell Inspiron 8100 Battery, C/E mismatch remedies are more difficult to implement and harder to measure and require balancing during both charge and discharge periods.

This type of solution eliminates the quantity of external components, as for discrete capacitors, diodes and most other resistors to achieve balance

Main article: List of battery types

From top to bottom: SR41/AG3, SR44/AG13 (button cells), a 9-volt PP3 battery, an AAA cell, an AA cell, a C cell, a D Cell, and a large 3R12. (Ruler in centimeters.)Batteries are classified into two broad categories, each type with advantages and disadvantages.[31]

Primary batteries irreversibly (within limits of practicality) transform chemical energy to electrical energy. Dell Inspiron 4000 Battery, When the initial supply of reactants is exhausted, energy cannot be readily restored to the battery by electrical means.[32]
Secondary batteries can be recharged; that is, they can have their chemical reactions reversed by supplying electrical energy to the cell, restoring their original composition.[33]
Historically, some types of primary batteries used, for example, for telegraph circuits, were restored to operation by replacing the components of the battery consumed by the chemical reaction.[34] Secondary batteries are not indefinitely rechargeable due to dissipation of the active materials, loss of electrolyte and internal corrosion.

[edit] Primary batteries
Primary batteries can produce current immediately on assembly. Disposable batteries are intended to be used once and discarded. These are most commonly used in portable devices that have low current drain, are only used intermittently, or are used well away from an alternative power source, such as in alarm and communication circuits where other electric power is only intermittently available.Dell Inspiron 4000 Battery,Dell Inspiron 4100 Battery,Dell Latitude CPX Battery, Disposable primary cells cannot be reliably recharged, since the chemical reactions are not easily reversible and active materials may not return to their original forms. Battery manufacturers recommend against attempting to recharge primary cells.[35]

Common types of disposable batteries include zinc-carbon batteries and alkaline batteries. Generally,Dell Inspiron 4100 Battery, these have higher energy densities than rechargeable batteries,[36] but disposable batteries do not fare well under high-drain applications with loads under 75 ohms (75 Ω).[31]

[edit] Secondary batteries
Main article: Rechargeable battery
Secondary batteries must be charged before use; they are usually assembled with active materials in the discharged state. Rechargeable batteries or secondary cells can be recharged by applying electrical current, which reverses the chemical reactions that occur during its use. Devices to supply the appropriate current are called chargers or rechargers.

The oldest form of rechargeable battery is the lead-acid battery.[37] This battery is notable in that it contains a liquid in an unsealed container, requiring that the battery be kept upright and the area be well ventilated to ensure safe dispersal of the hydrogen gas produced by these batteries during overcharging. The lead-acid battery is also very heavy for the amount of electrical energy it can supply. Despite this, its low manufacturing cost and its high surge current levels make its use common where a large capacity (over approximately 10Ah) is required or where the weight and ease of handling are not concerns.

A common form of the lead-acid battery is the modern car battery, which can generally deliver a peak current of 450 amperes Dell Latitude CPX Battery,An improved type of liquid electrolyte battery is the sealed valve regulated lead acid (VRLA) battery, popular in the automotive industry as a replacement for the lead-acid wet cell. The VRLA battery uses an immobilized sulfuric acid electrolyte, reducing the chance of leakage and extending shelf life.[39] VRLA batteries have the electrolyte immobilized, usually by one of two means:

Gel batteries (or "gel cell") contain a semi-solid electrolyte to prevent spillage.
Absorbed Glass Mat (AGM) batteries absorb the electrolyte in a special fiberglass matting
Other portable rechargeable batteries include several "Dell Inspiron 4000 Battery,Dell Inspiron 4100 Battery,Dell Latitude CPX Battery,dry cell" types, which are sealed units and are therefore useful in appliances such as mobile phones and laptop computers. Cells of this type (in order of increasing power density and cost) include nickel-cadmium (NiCd), nickel metal hydride (NiMH) and lithium-ion (Li-ion) cells.[40] By far, Li-ion has the highest share of the dry cell rechargeable market.[20] Meanwhile, NiMH has replaced NiCd in most applications due to its higher capacity, but NiCd remains in use in power tools, two-way radios, and medical equipment.[20]

Recent developments include batteries with embedded functionality such as USBCELL,Dell Inspiron 4000 Battery,Dell Inspiron 4100 Battery,Dell Latitude CPX Battery, with a built-in charger and USB connector within the AA format, enabling the battery to be charged by plugging

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With the reduction in the prices of notebook computers, dell laptop battery will have many of my friends have been eager for a notebook. We buy laptop often focus only on price, weight, appearance and configuration, very little concern to the use of laptop batteries. In fact, the mobile tool for the notebook, the overall performance and battery level of the pros and inseparable from, the importance of batteries is also no less CPU, motherboards, hard drives and so on. Next, the laser on and with you to understand the notebook battery, you may be able to purchase notebook computers for some suggestions.

Materials and production

Let's start with the material about the 92p1073 , 08K8199 , 08K8198 , 08K8197 , 92p1075 battery, the current laptop battery use of three main categories: 1. Ni-Cr battery, 2. Ni-MH battery, 3. Lithium batteries; they are generally expressed as: Ni-Cd NI-CD, Ni-MH NI-MH, lithium LI.

Battery on the difference between the three, Dell Latitude C610 Battery, Dell Latitude C640 Battery, Dell 1691P Battery, Dell 75UYF Battery,I told a friend of the notebook sales have been asked whether he had also done phone sales, we hear how he said. "Notebook fru 08K8193 , 92p1060 , 08K8214 , 08K8195 , 08K8193 battery life with our cell phone batteries used in a lot of similarities, the first notebook and mobile phone use NI-CD Ni-Cd batteries, as battery technology was not advanced, so have a lot of nickel-cadmium battery is headache shortcomings, such as: bulky, heavy weight, the capacity of small, short life, there are memory effect, etc. (useless). At present, nickel-cadmium batteries have been eliminated, the notebook is also nickel-cadmium break, and again it is not much need to. There are now batterya1078 , a1148 LI Lithium electricity and Ni-MH NI-MH two, in which lithium has a small size, light weight, large capacity, low memory effect, short charging time, etc., is quite popular. "

"I like lithium electricity, because it does not remember, do not charge when the first discharge,Dell Latitude C610 Battery the convenience! Earth people know you!"

"People think that there is no memory effect lithium batcl50l , travelmate 290 battery , travelmate 4000 battery batteries is wrong, it is irresponsible to mislead merchants. Lithium batteries have the same memory effect, but its relatively low memory effect, but just not so obvious. In addition, lithium batteries at two types of lithium electricity, the other is the lithium-ion batteries. "

"What is the difference, how to distinguish between them?"

"Lithium has a long time ago, and it is not safe when used often in charge when burning, burst, and this may be because the lithium-active elements because of too. Then there is the improved version of the lithium-ion batteries, adding the element lithium can inhibit the active ingredients, so that the real power of lithium btp-43d1 , travelmate 220 battery , btp-58a1 , btp-60a1 , travelmate 240 battery to achieve a safe, efficient, convenient, and the old lithium also eliminated. As to how to distinguish them from the logo on the battery will be able to identify, lithium for LI, lithium-ion battery for LI-ION. Now, notebook and mobile phone use of the so-called lithium, lithium-ion battery is a matter of fact. "

"Ni-MH battery that it?"

"Ni-MH battery is the most environmentally-friendly batteries,Dell Latitude C610 Battery, Dell Latitude C640 Battery, Dell 1691P Battery, Dell 75UYF Battery, pay attention to environmental protection efforts of countries to promote the use of nickel-metal hydride hp 396008-001 , hp pavilion dv9000 battery , hp ev087aa , hp ex942aa batteries, as easy to recycle, Dell Latitude C640 Battery and also to minimize damage to the environment. But nickel-metal hydride batteries with lithium compared, there are still some shortcomings . charging time longer than the weight of Shenyang, the capacity of small power than lithium, as well as memory effect. Although it is not like the memory of such a large nickel-cadmium batteries, but still need to discharge, the user must be exhausted before recharging. notebook case, mobile phones the same. "

Later, I also understand that the lithium-ion batteries (or lithium compared fluently called) is also defective, such as high prices and fewer charge-discharge and so on. Li-ion battery charge and discharge frequency of only 400-600 times, specially the products to improve the 800, however. Charge a per day basis, the best lithium dell Inspiron 1721 battery , dell GK479 , dell FK890 , dell GW240,dell Inspiron E1705 battery batteries for more than two years . And Ni-MH rechargeable battery number can be achieved more than 700, some good quality products up to 1200 charge-discharge times, such a comparison, the Ni-MH battery life than lithium batteries and nickel-hydrogen batteries than the price of lithium batteries much lower. In view of this, there is no perfect laptop battery.

Know that the notebook battery materials, let us understand their origin. Notebook battery origin is Japan, South Korea, mainland China and Taiwan Province of China, especially in Japan, mostly because the battery notebook batteries used by almost all the Japanese manufacturers, such as: Toshiba, Panasonic, Sanyo, NEC and so on. Although many brands of notebook computers, batteries dell latitude d520 battery , dell latitude d600 battery , dell 312-0068 of different shapes, but the batteries used in a few Japanese brands, manufacturing batteries for the Japanese electronics company has brought big gains. South Korea, Taiwan Province of China and most of the main processing, Dell 1691P Battery, production of the batteries are the core of Japan.

Weight, shape and capacity

The vast majority of notebook battery for a square, the market also has a small number of ultra-thin notebook using cylindrical batteries, such as SONY 505 series, Toshiba PROTEGE series (I have not seen a triangle).

The weight of battery materials and models based on changes to the Toshiba 1750 as an example, it is with nickel-metal hydride batteries, weight of more than 500 grams, it brought me sad. I have seen in the market with a machine like the Toshiba 1750 is the same OEM manufacturers, and battery are also common. But they are using a lithium battery and weighing less than 250 grams, so that I envy. Mobile phone battery and then compared the results of the same. So, I have come to a conclusion, the shape of the same capacity with the nickel-metal hydride and lithium electricity,Dell Latitude C610 Battery, Dell Latitude C640 Battery, Dell 1691P Battery, Dell 75UYF Battery, doubling the weight difference.

Size from MAH cells to determine the mark, it seems that the Chinese name milliamperes. MA-hour notebook size is directly related to the use of time, I see the lowest notebook battery 3100MAH, the highest 4500MAH. Common sense said, 4500MAH battery life much longer than 3100MAH,Dell 75UYF Battery but it can not be generalized. Battery life notebook also has a lot of configuration, for example say, Hewlett-Packard 6100 notebook using a PIII-M, MOBILITY RADEON graphics cards a number of energy-saving technologies such as hardware, with the 4000MAH battery, use up to 4 hours above. CPU desktop using the Toshiba 1800, although with a 4500MAH battery, the use of the time only three hours to reach. This also explains the use of laptop battery time MAH not only related to the energy-saving technology hardware is very important when purchasing the notebook needs to be multi-reference.

Introduced a notebook of materials and the advantages and disadvantages of batteries. dell laptop battery Further explore the use of laptop battery, we will issue six aspects.

First, how the price of notebook battery?

The level of the overall performance of laptop batteries the pros and inseparable from, the importance of batteries is also no less CPU, motherboards, hard drives and so on. Since the laptop battery dell INSPIRON 2600 battery , dell INSPIRON 2650 battery . dell Inspiron 1300 battery is so important, expensive prices. As far as I understand it, the price of notebook batteries in 1000 --- ￥ ￥ 3,000, accounting for the overall price of the notebook's 10% --- 15% or even higher in some ultra-thin models. Toshiba in 1750 as an example: the price of the Toshiba 1750 is ￥ 9988, and its nickel-hydrogen batteries used must ￥ 1400. From this we can see, cost constraints of notebook battery has become an important factor in price. Compared to mobile phones,Dell 5081P Battery Dell Inspiron 700m Battery, Dell Inspiron 710m Battery, Dell F5136 Battery, Dell 312-0306 Battery, notebook battery proportion of the total price is not too high, the price of mobile phone battery is generally the total price of more than 30% to ￥ 1,000 phone as an example, the original price of the battery is about ￥ 300 also be regarded as a big child. Here, the laser must be advised to treat your hp pavilion zv5000 battery , hp pavilion zv6000 battery batteries, whether it is laptop or mobile phone. If it is because of your improper use of lead batteries OVER, may be too late to regret.

Second, the battery manufacturers to provide what kind of warranty?

As we all know, the manufacturers warranty on the notebook computer is a 1 year period --- 3 years.Dell 5081P Battery To enjoy the longest warranty in fact the only time CPU, motherboard, memory, hard disk; vulnerable components, such as: CD-ROM, LCD, housing, etc. can only enjoy a maximum of 1 year warranty; As for why the battery, there are three months of insurance , a security six months, the longest 1 year only; do not have the battery out of the warranty, buy a home if the laptop hp 346970-001 , hp hstnn-db02 , hp hstnn-ub02 , hp dp390a , hp pp2100 battery died the next day, you can only. As market competition intensifies, the battery is not the scope of the warranty is now a rare occurrence. However, the compact is to remind you that the purchase of the notebook, make sure the battery warranty to make sure the time and conditions, without a big mistake it carefully.

Third, why do the battery warranty period is so short?

I also asked this question a number of notebook dealers and manufacturers, their answer is: notebook batteries are easily damaged goods, the number of charge is constant, with a little time, used some hate, less than half a year on a reimbursement . Moreover, the notebook battery and other hardware different, there is no room can be repaired, only replaced, the so-called warranty is actually shifting. The products of such a long period of warranty (shifting), invisible among the vendors on the increased burden, as a profit-motivated companies, who are unwilling to risk such a big Tam. It appears that on the laptop sony pcga-bp2ny ,Dell Inspiron 700m Battery sony pcga-bp2r , sony pcga-bp2s , sony pcga-bp2t battery 1 year manufacturers warranty is a mercy to the user greatly.

Genuine laptop battery warranty that is the case, even we can imagine a parallel. The business has sales of parallel imports is no mention of the battery warranty, users are rarely asked. Once a user referred to this sensitive issue, vendors are not always the issue of batteries in general, bad shifting, such as a half-hearted. I can not think that the loss of informal support parallel accessories manufacturers, rely on the battery warranty? Is also used to deceive users of counterfeit products.

Fourth, the proper use and maintenance does the battery?

I saw the price and warranty on the pa3285u-1brs , pa3191u-1brs , pa3166u-1brs , pa3331u-1brs , pa3084u-1brs battery of the introduction, you feel a little sensational, almost afraid to use the battery. In fact, in accordance with the proper ways to use, the battery can still live longer. Following on and you talk about the use of methods:

1. Activator, a new battery

You want your notebook battery life, there must be a good start, which may start from the purchase of notebook.Dell 312-0306 Battery The new notebooks in the first boot with the battery should be 3% of electricity, (this is also common practice of manufacturers. If you buy the first time to open the notebook and found that the battery evo n620c battery , presario 700 battery , presario 900 battery is already full, must have been used by others.) At this point,Dell 5081P Battery Dell Inspiron 700m Battery, Dell Inspiron 710m Battery, Dell F5136 Battery, Dell 312-0306 Battery, You should not use an external power supply, the battery's remaining power is used up, until the shutdown, and then use an external power supply charge. After returning home, but also to the exhaustion of battery power and then charge, charge time must be more than 12 hours, repeated three times to do in order to activate the battery, so as to use for the future and lay a sound foundation.

Dell Inspiron 6400 battery Tips

adapterlist
September 23rd, 14:37
It is a question we are frequently asked. It's a valid question since laptop batteries are usually expensive to replace.

First of all, how long should your battery last? 2-4 years is generally acceptable depending on how frequently you use and charge the battery. Acer Laptop Battery If you travel a lot and use and charge your battery frequently then you might only get a couple of years at the most out of your laptop battery.

Dell inspiron 6400 battery are usually made with Li-Ion batteries and the very nature of Li-Ion batteries is that they have about 500-600 charges and last at most about 4-5 years (shelf life). They also have a self-discharge rate of about 1% per day so you need to be sure to charge them at least every 6 months.

 

So how can you care for your battery to get the maximum life out of it?
Always use your laptop on a hard surface.
Laptops are portable and it's easy to set your laptop on your battery or on your bed and use it at your lesiure. That's one of the benefits of having a portable computer. Flexibility. But if you want to extend your battery life you have to watch out for overheating your laptop.
Heat is one of the biggest obstacles to battery life longevity. Your laptop computer fan cannot circulate the air properly when your laptop is sitting on soft surface.
Do not keep your laptop battery installed when you use your laptop on AC for an extended period of time.
While your laptop is undoubtedly using a smart charger to charge your battery even a constant trickle charge over months can reduce your battery life.Acer BATCL50L Battery, Acer TravelMate 290 Battery, For best results, only charge your battery when you need to charge it,Acer TravelMate 4000 Battery, don't leave the laptop battery plugged in all the time.
More importantly than the trickle charger affect is the 'storage' of a Li-Ion battery at elevated temperatures. The optimum storage temperature for a Li-Ion battery is at 0 deg. C. The optimum storage charge level is about 40%. Unfortunately we tend to store fully charged and at the temperatures found in a running laptop you'll find a significant reduction in battery for your laptop performance after only 12-18 months.
Use a full charge cycle before recharging
Li-Ion and NiMH battery (which most laptop battery are), do not have a memory which you might find in NiCad batteries. However, each chemistry has a limited number of charge cycles, so use a full charge cycle before re-charging to maximize your Dell Inspiron 6400 battery usage.
Because this may be very difficult to manage, you'll need to consider the cost-benefit ratio for keeping track of how far discharged the battery is before you charge it again.
Be careful where you store your laptop

This goes back to the heat issue. Don't leave your laptop in the car where it can get very hot Acer TravelMate 290 Battery,.Batteries hate heat and your battery will go on strike permenantly if you expose it to too much heat.

Remember that all laptops are not created equal. You may have gotten 4 hours from your last laptop while on laptop battery , but your new laptop might pull more juice to run that gaming quality processor, or the power hogging programs you're running now. Read your owner's manual to find out what you should expect from your laptop battery and be sure to compare apples to apples when purchasing a replacement Dell 6400 battery. Not all laptop batteries are made to the same specs. We recommend buying a battery that has at least as much capacity as your original battery (that's the mAh rating), and preferrably the same chemistry as well.

If you simply aren't sure what to get,Acer BATCL50L Battery, Acer TravelMate 290 Battery, check with a professional. Our customer service staff are trained to know how to compare this battery and they are happy to help find the right fit for your laptop.

Disclaimer: The batteries supplied by our Company if not mark as [Original] are [replacement for] sold for use with certain products of computer manufacturers, and any reference to products or trademarks of such companies is purely for the purpose of identifying the computer manufacturers with which our products [are replacement for] may be used. Our Company and this Website are neither affiliated with, authorized by, licensed by,Acer BATCL50L Battery, distributors for, nor related in any way to these computer manufacturers, nor are the products offered for sale through our Website manufactured by or sold with the authorization of the manufacturers of the computers with which our products [are replacement for] may be used.

Tags: dell laptop battery, laptop battery

some tips information about laptop Battery

adapterlist
October 10th, 10:47 Adapterlist.com is a wholesaler who sells replacement laptop batteries and laptop ac adapter.Acer Laptop Battery We also do business in laptop battery distribution with customers all around the world. As the biggest retailer of digital laptop batteries and battery charger in the world, we have helped our clients save money by offering the highest quality products with the lowest price.We promise a 100% OEM compatibility of our laptop computer batteries, notebook batteries, laptop ac adapter and other laptop accessories (including laptop battery chargers, laptop ac adapter, laptop dc adapter). All products offered in Adapterlist.com come with 1 year quality warranty and 30-day money back guarantee.

1. Looking for the longest laptop battery life ? Actually,Acer TravelMate 2300 Battery, Acer Aspire 1680 Series Battery, Acer Aspire 1410 Battery, many factors affect the amount of time that a laptop battery can deliver power before it must be recharged. How to extend laptop battery life? Here are some more tips to improve your notebook's battery life:
2. If you do not use your dell 312-0417 battery for extended periods of time (a week or more), remove the laptop battery pack from the laptop.
3. Do not expose the battery to high heat or freezing temperatures. Do not leave your battery in your car in the summer. Hot batteries discharge very quickly, and cold ones can't create as much power.
4. Make sure to plug your laptop charger adapter into a UPS and not directly into a power outlet or surge protector.
5. If you have a nickel-metal hydride battery, completely drain and recharge the battery once a month to maximize its capacity to hold a charge.
6. Fully charge new battery packs before use. New pack needs to be fully charged and discharged (cycled) a few times before it can condition to full capacity.
7. For laptops that work as desktop replacement,Acer Aspire 1410 Battery, the battery should be re-installed every 3-4 weeks and allowed to fully discharge. 7. Leaving a battery in a laptop while using an electrical outlet for long periods of time will keep the battery in a constant state of charging up and that will reduce the life cycle of the battery.
8 . What is rechargeable laptop battery self discharge?
Primary laptop battery or full charged secondary battery, when put aside for a period, it s capacity will decline or lose, this phenomenon calls self discharge that is electricity flee away. It is decided by the inner electro-chemistry system, similar to water leakage from pond or reservoir.
9 . What is the ambient temperature affects the dell 312-0273 battery performance?
Low temperatures (e.g. -15oC) will obviously reduce Ni-Cd and Ni-MH battery discharge rate. At -20oC electrolyte is at its freezing point, charge speed will greatly slow down. At low temperature (under -15oC) charge will raise the internal gas pressure and probably unseal the safety vent. Ambient temperature of 5oC to 30oC is the best range to get effective charge. Generally with temperature rising charge efficiency will become higher.Acer TravelMate 2300 Battery, Acer Aspire 1680 Series Battery, Acer Aspire 1410 Battery, But when the temperature rises to 45oC or higher, the materials performance in the battery will be degenerated and battery service life will be shorten greatly.
10. How can laptop battery rechargeable batteries be connected?
The rating for rechargeable battery NEW ! Battery Chemistry F.A.Q - Here we discuss different battery designs currently used, some of the chemistry involved, and advantages and disadvantages of each design.Acer Aspire 1680 Series Battery, We have also included some useful definitions and a list of parameters to guide you in matching your battery requirements to a specific battery design.
Tags: dell laptop battery, laptop battery
Activation of a new laptop battery

adapterlist
September 27th, 10:01 Does not require the laptop battery for 10 hours of rechargeable battery to activate the activity of the normal charge-discharge method for activation.

The proposed method: According to the available information suggests that the activation of cell work should be completed at the factory, and DELL laptop battery factory with a capacity of some natural wear and tear in order to avoid damaging the battery. Activation of the battery should be in no circumstances to protect the circuit can be with its own lithium battery circuit protection circuit, the purpose of this piece of the circuit is to avoid excessive battery charge and discharge, generally filled with the battery after charging when the indicator light off , the battery can not be recharged into the electricity, and then you then plug the power plug to recharge the battery in the face of what use?

Available from the laptop battery can be seen on the status of the laptop battery have any charge, another teaches you a simple way to be able to determine whether there during the battery charging, battery charging, when the phenomenon will have a fever, when the battery is full after one hour (power plug does not pull), you go try the battery to see if the battery is still warm not hot? The result is definitely cold, b Acer TravelMate 2300 Battery,ecause the battery is not charging and discharging state certainly does not heat. Notebook makers at the factory will propose that a new battery for more than 10 hours. The author of this opinion, should be taken into account that some notebook manufacturers a new user in the new battery charge when not fully grasp the skills,Acer TravelMate 2300 Battery, Acer Aspire 1680 Series Battery, Acer Aspire 1410 Battery, simply so that they can directly charge 10 hours, so this should be the business of expediency dell FK890 battery,dell GK479 battery.

the correct way for lithium batteries
To sum up, the use of lithium Acer Aspire One Battery HP NC6000 Battery in the charging and discharging, the most important tips are:
1, in accordance with standards and procedures, charging time,Acer Laptop Battery even the first three have to do so;
2, when there is low power consumption machine when prompted, should try to begin charging a timely manner;
3, lithium batteries do not need to activate the special method, in normal use of the machine will naturally activated in lithium batteries. If you insist on spreading the use of "the three previous 12-hour long activation charge" Acer Aspire 1410 Battery, Acer TravelMate 4500 Battery, Acer LCBTP03003 Battery, Acer Aspire 1300 Battery,approach, in fact there will be no effect.
Therefore, all the pursuit of super-long 12-hour rechargeable lithium batteries used and the integration of the practice of automatic shutdown, are wrong. If you have previously done in accordance with the wrong argument, please correct in time, perhaps not too late.
4, the use of lithium batteries of fire
Some people might be familiar from IBM R50 Battery Dell Inspiron 1520 Battery began to lithium batteries. In fact, it is being used in many household appliances. Needless to say, lithium battery efficient, lightweight, and so its benefits are open to promote the use of rapidly. But, you know, use carelessly, it will make you provoke "fire" upper body?
Lithium batteries have a body of light, high efficiency, low temperature (-40 ℃) etc., 0.3mm thick, stamp-sized lithium battery can be used continuously for more than five years, in recent years are being phased out are used in alkaline batteries and manganese batteries, widely used in many high-end home appliances and mobile handsets.
12. Dell Inspiron 9400 battery has lye, Do not let lye splash in eyes. If they splash into, do not rub eyes with his hands, should immediately wash with plenty of water and sent to hospital.

13. Do not use leakage, discoloration, Acer Aspire 1300 Battery or other appearance has changed the battery.

14. Do not wet the battery or put the water, this will cause the battery or rust feverDell Inspiron E1505 keyboard .

15. Do not tear up the cell outer membrane, this can easily cause a short circuit the battery. Short-circuit the battery can cause fever, leakage or explosion.

16. Please methods in accordance with the specifications provided to the IBM 08K8197 Battery charge, do not overcharge.Acer Aspire 1410 Battery, Acer TravelMate 4500 Battery, Acer LCBTP03003 Battery, Acer Aspire 1300 Battery, Rechargeable batteries-pa3399u-1brs battery, have lead to fever, leakage or explosion.

17. The internal battery has lye, if inadvertent contact with the skin or clothing will damage the skin, immediately wash with water.

18. Kept away from children, if they were children wrongly,Acer Aspire 1410 Battery, please send an immediate hospital treatment.

19. Battery before use Please read the related use of electrical appliances for use and precautions, such as improper use may cause the battery Apple A1185 Battery not work correctly.

20. Please note in accordance with the charger manual way to charge the HP Pavilion ze4900 battery battery.

Laptops tend to lose their charm quickly when you’re constantly looking for the nearest power outlet to charge up. How do you keep your inspiron 8500m series battery going for as long as possible? Here are 15 easy ways to do so.
1. Cut down on programs running in the background. Itunes, Desktop Search,Compaq Laptop Battery etc. All these add to the CPU load and cut down battery life. Shut down everything that isn’t crucial when you’re on battery.
2. Cut down external devices – USB devices (including your mouse) & WiFi drain down your latitude d800laptop battery. Remove or shut them down when not in use. It goes without saying that charging other devices (like your iPod) with your laptop when on battery is a surefire way of quickly wiping out the charge on your laptop battery.
3. Defrag regularly - The faster your hard drive does its work – less demand you are going to put on the hard drive and your battery. Compaq EVO N600C Battery, Compaq EVO N610C Battery, Compaq EVO N620C Battery, Make your hard drive as efficient as possible by defragging it regularly. (but not while it’s on battery of course!) Mac OSX is better built to handle fragmentation so it may not be very applicable for Apple systems.
4. Dim your screen – Most laptops come with the ability to dim your laptop screen. Some even come with ways to modify CPU and cooling performance. Cut them down to the lowest level you can tolerate to squeeze out some extra battery juice.
5. Add more RAM - This will allow you to process more with the memory your laptop has, rather than relying on virtual memory. Virtual memory results in hard drive use, and is much less power efficient. Note that adding more RAM will consume more energy,Compaq EVO N620C Battery so this is most applicable if you do need to run memory intensive programs which actually require heavy usage of virtual memory.
6. Run off a hard drive rather than CD/DVD - As power consuming as hard drives are, CD and DVD drives are worse. Even having one in the drive can be power consuming. They spin, taking power, even when they?re not actively being used. Wherever possible, try to run on virtual drives using programs like Alcohol 120% rather than optical ones.
7. Keep the battery contacts clean: Clean your battery’s metal contacts every couple of months with a cloth moistened with rubbing alcohol. This keeps the transfer of power from your battery more efficient.
8. Take care of your inspiron 8600 – Exercise the Battery. Do not leave a charged battery dormant for long periods of time. Once charged, you should at least use the battery at least once every two to three weeks. Also, do not let a Li-On battery completely discharge. (Discharing is only for older batteries with memory effects)
9. Hibernate not standby – Although placing a laptop in standby mode saves some power and you can instantly resume where you left off, it doesn’t save anywhere as much power as the hibernate function does. Hibernating a PC will actually save your PC’s state as it is, and completely shut itself down.
10. Keep operating temperature down - Your laptop operates more efficiently when it’s cooler. Compaq EVO N610C Battery Clean out your air vents with a cloth or keyboard cleaner, or refer to some extra tips by adapterlist.com 11. Set up and optimize your power options – Go to ‘Power Options’ in your windows control panel and set it up so that power usage is optimized (Select the ‘max battery’ for maximum effect).
12. Don’t multitask – Do one thing at a time when you’re on battery. Rather than working on a spreadsheet, letting your email client run in the background and listening to your latest set of MP3’s, set your mind to one thing only. If you don’t you’ll only drain out your batteries before anything gets completed!
13. Go easy on the PC demands – The more you demand from your PC. Compaq EVO N600C Battery, Compaq EVO N610C Battery, Compaq EVO N620C Battery, Passive activities like email and word processing consume much less power than gaming or playing a DVD. If you’ve got a single battery charge – pick your priorities wisely.
14. Get yourself a more efficient inspiron 8600m battery - Laptops are getting more and more efficient in nature to the point where some manufacturers are talking about all day long batteries. Picking up a newer more efficient laptop to replace an aging one is usually a quick fix.
15. Prevent the Memory Effect - If you’re using a very old laptop, Compaq EVO N600C Battery you’ll want to prevent the ‘memory effect’ – Keep the battery healthy by fully charging and then fully discharging it at least once every two to three weeks. Exceptions to the rule are Li-Ion batteries (which most laptops have) which do not suffer from the memory effect.

Laptop computer batteries become a hot issue

This is the VOA Special English Economics Report.

Batteries are rarely a worry except when the devices they supply power to go dead.

But in June the battery in a Dell laptop computer caught fire during a conference at a hotel in Osaka, Japan. Pictures of the burning computer spread on the Internet.

In the last few weeks, other laptop owners learned that they had good reason Toshiba PA3356U-1BRS Battery to be concerned. Dell and later Apple Computer recalled millions of lithium-ion batteries that could overheat and create a risk of fire.

Dell asked the owners of more than four million notebook computer batteries to return them for replacement. More than one million of these batteries were sold outside of the United States.

Apple recalled almost two million batteries used with some of its notebook computers. 70,000 of them were sold in other countries.

The United States Consumer Product Safety Commission announced the recalls. It described them as the two largest recalls in its history involving the consumer electronics industry.

Agency officials said Dell had received six reports of batteries overheating. These resulted in property damage but no reports of injuries. The agency said Apple had received nine reports of overheated batteries. These included two reports of minor burns and reports of minor property damage.

In Japan, officials have ordered the two companies to investigate reports of fires in at least two Toshiba PA3250U-1BRS Battery Dell laptops and one Apple laptop.

Sony of Japan made the millions of recalled batteries. Sony officials say a production problem left very small pieces of metal that could cause a short-circuit and make a battery overheat.

Experts from different companies plan to meet in California this month to discuss the manufacture of lithium-ion batteries.

As laptop computers have gotten more powerful, they require more powerful batteries. Yet batteries are still not powerful enough to satisfy many users.

Some people see microcell technology as a solution. Microcells use energy sources like hydrogen and methanol. Many companies are working to find ways to make them safe and useful for computers. Experts say it could be ten years before Toshiba PA3395U-1BRS Battery computers with microcells are widely available.

And that's the VOA Special English Economics Report, written by Sarah Randle. Transcripts and audio files of our reports are at voaspecialenglish.com. I'm Steve Ember.

Wires, batteries will soon be things of past

more batteries, no more chargers and no more wire spaghetti. This is the future promised by "wireless power", a means of broadcasting electricity through the air to laptops, iPods and other gadgets without the need for cables and sockets.

Untethered lighting, audio speakers and digital picture frames are expected to be among the first commercial products demonstrated in Las Vegas this week at the International Consumer Electronics Show, the world's biggest gadgets tradeshow.

Experts believe this is just the beginning and Toshiba PA3506U-1BRS Battery that eventually wireless electricity - dubbed "WiTricity" by some - could do for battery life what WiFi did for the Internet. In a world without wires, laptop users in cafes and airport terminals would be inside an "electricity hotspot" and no longer have to delve past legs, bags and furniture in search of an awkwardly located socket.

"You'd be able to buy a desk that charged any gadget placed on it, or power any PC you put on top," said James Holland, editor of gadgets website Electricpig.co.uk.

"If each room had wireless power, you'd know that once you walked through the front door your mobile would start charging up - even while still in your bag or pocket. You'd never need to hunt for the right charger again."

Among the companies showcasing the ambitious technology at CES is PowerBeam. Its system Toshiba PA3291U-1BRS Battery turns electricity into an invisible laser, then literally beams it, as heat, across the room to a solar cell that converts it back into electricity.

David Graham, the co-founder of PowerBeam, said: "We're going to delete the word 'recharge' from the English dictionary. If your cell phone is recharging on your desk all day, you won't be thinking about it."

The Silicon Valley company can currently use a laser to generate about 1.5 watts of power to a solar cell 10 meters away. This would be enough to power an electronic speaker or small LED lights, but not enough to operate a laptop, which requires an estimated 30 to 50 watts. However, Graham said that the technology could comfortably be scaled up.

PowerBeam insists its laser does not pose a risk to users' health because it is simply moving heat from one place to another. Graham said that, if someone walked through the beam, it would shut down within a thousandth of a second, then restart once the path is clear. The technology also promises energy efficiency because it would only power products when needed.

Laptop Battery Articles & Tips

Achieve Maximum Laptop Battery Performance on the Road
Laptop Chargers are crucial when working on the road. To get maximum performance from your laptop battery, fully optimize the laptop's power management features prior to use. However, there is a trade off when setting your laptop power management. You will achieve better power conservation in exchange for lesser computing performance. The power management system conserves the laptop battery power by setting the processor to run at a slower speed,Toshiba Satellite 2100 Battery
dimming the laptop screen, slowing down the hard drive when it's not in use and causing the machine to go into sleep or suspend mode when it is inactive. Your laptop user's guide will provide information relating to specific power management features.

Increase your Laptop Battery Life
Did you know that detaching your main laptop battery from your laptop would increase your laptop's battery life up to 75%? Our experience and testing have shown that even when you are plugged in with your laptop ac adapter and your battery is fully charged, the laptop will still use the laptop battery resources in small increments. This will put unnecessary charge cycles to your battery. Since typical li-ion laptop Chargers have 375 charge cycles, having a fully charged battery inserted will put unnecessary charge cycles. The downside to Toshiba Satellite A65 Series Battery removing your laptop battery maybe a loss of power when the ac adapter is accidentally unplugged or when there is a power outage.

Laptop Chargers: OEM vs. 3rd Party
Third party laptop Chargers supplied by AtBatt.com are usually lower in price and usually exceed the specifications of OEM Laptop Chargers. Many of AtBatt's laptop Chargers use the exact same battery cells as OEM Chargers. In addition, AtBatt offers a superior warranty over OEM manufacturer's warranty. Finally, we make warranty replacement on our 3rd party laptop battery easier by dealing with you, the consumer, directly."

Are there restrictions when taking lithium-ion batteries on planes?
Effective January 1, 2008, the Department of Transportation (DOT) will no longer allow loose lithium batteries in checked baggage. These batteries may continue to be packed in carry-on baggage. To read more: Toshiba Laptop Batter

Replacement Dell Latitude C640 battery|New High Quality Dell Latitude C640 battery Dell Latitude C640 battery Description: Type: Li-ion Capacity: 4400 mAh Volt: 14.8 V Size: 139.00 x 89.70 x 23.30 mm Color: Gray Dell Latitude C640 battery Compatible original Battery Code: 1691P1K5002M400312-0009312-0028312-32503149C3H3523H6253K1205081P5208U53977669126H41075UYF77TCJ851UY8M815BAT-I3700IM-M150268-GB Dell Latitude C640 battery Fit with below: Inspiron 2500Inspiron 3700Inspiron 3800Inspiron 4000Inspiron 4100Inspiron 4150Inspiron 8000Inspiron 8100Inspiron 8200Latitude CLatitude C500Latitude C510Latitude C540Latitude C600Latitude C610Latitude C640Latitude C800Latitude C810Latitude C840Latitude CPLatitude CPiLatitude CPi 233STLatitude CPi 366Latitude CPi A366STLatitude CPi A366XTLatitude CPi D233Latitude CPi D266XTLatitude CPIALatitude CPICLatitude CPIDLatitude CPIRLatitude CPIR400GTLatitude CPMLatitude CPM166STLatitude CPM233STLatitude CPM233XTLatitude CPTLatitude CPT C333GTLatitude CPTCLatitude CPTSLatitude CPTVLatitude CPTV466GTLatitude CPXLatitude CPXHLatitude CPXH 500GTLatitude CPXJLatitude CPXJ650GTLatitude PP01LLatitude PP01XLatitude PPLLatitude PPXPrecision M40Precision M50