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Laptop Battery / External Laptop Batteries

Our Laptop Batteries are specifically designed for each laptop brands and models.Toppower.co.uk offers a complete line of batteries and compatible replacements for most models.It will guide you in choosing the correct Laptop Batteries for your Laptops.

A
ACER
ACRO
ACTEBIS
ALPHA
APPLE
AST
ASUS
B
BSI
C
CANON
CHEM USA
CHICONY
CLEVO
COMMAX
COMPAL
COMPAQ
CTX
CYBERCOM
D
DAEWOO
Dell
DFI
DIGITAL
DTK
DUAL TECHNOLOGIES
DURACELL
E
EMACHINE
EPSON
ERGO
F
FUJITSU
FUJITSU SIEMENS
FUJITSU-SIEMENS
G
GATEWAY
H
HITACHI
HP
HP COMPAQ
I
IBM
IDP
J
JEWEL
K
KAPOK
KDS
KIWI
L
LENOVO
LG
LIFETEC
LITTLEBIT
M
MAGITRONIC
MAXDATA
MEDION
MICROINTL
MITSUBISHI
N
NEC
NORTHSTAR
NOTEBOOK COMPUTER
NTK
O
OLIVETTI
OPTIMA
P
PACKARD BELL
PANASONIC
PICO
PIONEX
Q
QUANTA
QUANTEX
QUINTEK
S
SAGER
SAMSUNG
SANYO
SCEPTRE
SENAO
SMARTTEC
SONY
SYS-TECH
T
TATUNG
TECHMEDIA
TEXAS INSTRUMENTS
TIGER
TJ TECHNOLO
TOSHIBA
TRIGEM
TROGON
TWINHEAD
U
UNISYS
W
WEDGE TECH
WINBOOK

Popular Laptop Batteries

Disclaimer:

The batteries supplied by our Company 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, 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.

Laptop Batteries Tips

1. The New laptop Battery Isn't Charging. Is it defective laptop battery ?

New batteries are shipped in a discharged condition or with very low capacity and must charged before use. We generally recommend an overnight charge (approximately twelve hours). Refer to the user's manual for charging instructions. Rechargeable batteries should be cycled (fully charged and then fully discharged) three to five times initially to allow them to reach their full capacity. (Note: it is normal for a battery to become warm to the touch during charging and discharging).

Note:

New laptop batteries are hard for the device to charge; they have never been fully charged and are therefore "unformed". Sometimes the device's charger will stop charging a new battery before it is fully charged. If this happens, remove the battery from the device and then reinsert it. The charge cycle should begin again. This may happen several times during the first battery charge. Don't worry; it's perfectly normal.

2. I have discharged the battery to zero volts, and fully discharge and fully charge as your instruction, but why the laptop battery can not charge to 100% capacity?

The laptop battery pack is made up of several cells. If you discharge the battery to zero, what will most likely happen is that one or more of the cells will "reverse" because they are weaker than the other cells. The reversed cell begins to accept a "backwards" charge from the other better charged cells around it. This will kill the battery. So we should stop the discharge at one point, rather than letting the pack slump down to zero volts.

In the meantime, when the laptop battery is at its full capacity, we should not plug the AC adapter to trickle charge the battery. It will overcharge the battery.

Note:

Overdischarge and overcharge the laptop battery will damage the battery.

3. What is laptop battery memory effect?

A condition that occurs when a laptop battery is charged to the same level several times consecutively. The laptop battery develops a chemical "memory" of that level and will not allow a charging past that point. You can avoid this through several complete discharge and recharge cycles.

4. How to discharge and charge laptop batteries ?

A typical charge and discharge cycle is as follow:
1. Install your newly purchased battery into your laptop.
2. Disconnect the AC adapter and use your laptop until it itself shuts down. In this situation, the battery is fully discharged.
3. Connect the AC adapter and your laptop battery should start charging.
4. Charge until the battery is full.
Repeat this charge and discharge cycle a few times and your battery pack will be conditioned to perform at full capacity.

Note:

Please do not overdischarge and overcharge your laptop batteries.

5. The laptop battery still reports 7 minutes of life when it is 100% charged, but the battery actually lasted about 2.5 hours. Are the internal electronics of this battery (the part that reports status ) are okey ?

New laptop batteries has a self recognise process for the first time charge . After using a period of time, it will become normal.

Please set the minimum capacity for the computer to turn off in the power meter management. Disconnect the AC adapter and use your laptop until the laptop batteries is fully discharged. Then connect your ac adapter to fully charge the laptop batteries. Fully discharge and fully charge the laptop batteries or cycled about 3 to 4 times to condition the battery to its full capacity.