Replacement 4400mAh 10.8V Laptop Battery For IBM ThinkPad T21

Description:

Is your IBM ThinkPad T21 Li-ion battery starting to rundown or are you just looking for a backup just in case you need more runtime? This replacement laptop battery for the IBM ThinkPad T21 will help fulfill your needs

Replacement IBM ThinkPad T21 battery is designed for use with the IBM laptop. The thinkpad t21 Battery is designed to be 100% compatible with OEM IBM part numbers: IBM 02K6620, IBM 02K6621, IBM 02K6626, IBM 02K6627, IBM 02K6649, IBM 02K7026. Replacement ibm thinkpad laptop batteries are designed to meet or exceed manufacturer specifications.

The IBM ThinkPad T21 replacement laptop battery is made from the highest quality cells and parts. Our batteries are rigorously tested to ensure that it is 100% compatible with the IBM ThinkPad T21 notebook. Take your work on the road with you without sacrificing performance and productivity.

Brand New, 100% OEM compatible! Items Can track online!

Compatible Part No:

IBM 02K6620, IBM 02K6621, IBM 02K6626, IBM 02K6627, IBM 02K6649, IBM 02K7026

Fits Models:

IBM ThinkPad T20, IBM ThinkPad T21, IBM ThinkPad T22, IBM ThinkPad T23

Product Testing Cycles:

Every product pass through; Over-charge testing , Over-discharge testing, Over-heat testing, Over-current testing, Short-circuit testing, charging testing, discharging testing, temperature testing , Voltage precision testing, current precision testing, SMBus data, quiescent current, capacity circulatory testing. Batteries are tested with battery aging equipments and specially developed Laptop Battery testers.

Instruction for laptop battery:

Thank you for trusting and using The battery for thinkpad t21,Please read the Instruction Carefully before using.

1. Please discharge the battery to 3% then fully charge at the first time.
2. It is a must to turn off or recharge the replacement laptop battery if it is discharges to 3% in normal operation.It is forbidden to discharge to 0%, or it will be easily damaged and shortened the usage life.
3. Please fully rechage the battery if the power is gone within two-day,or it will be easily damaged ot cannot be charged.
4. It is a must to charge the IBM T21 battery about 50% before long time storage(above three months) and the power connot be lower than 50%,or it will be easily damaged and cannot be charged.
5. Battery need a circle use frequently Discharging to 3%.then charing full discharging and charging once per two months at least is a recommendation for battery reach a best condition.

1. Never take out the charing or discharging battery from the laptop.
2. When battery discharger,do not dischage the battery lower than 3%.Strictly prohibit discharge the battery to 0%.then laptop close.

Product Declaration:

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