Replacement 2400mAh 15V Laptop Battery For Lenovo 42T4857

Description:

Is your Lenovo 42T4857 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 Lenovo 42T4857 will help fulfill your needs

Replacement Lenovo 42T4857 battery is designed for use with the Lenovo laptop. The 42t4857 Battery is designed to be 100% compatible with OEM Lenovo part numbers: Lenovo 42T4806, Lenovo 42T4807, Lenovo 57Y4565, Lenovo 42T4805, Lenovo 42T4805, Lenovo 42T4806, Lenovo 42T4807, Lenovo 42T4808, Lenovo 42T4812, Lenovo 42T4813, Lenovo 42T4814, Lenovo 42T4815, Lenovo 42T4857, Lenovo 57Y4564, Lenovo 57Y4565. Replacement lenovo thinkpad laptop batteries are designed to meet or exceed manufacturer specifications.

The Lenovo 42T4857 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 Lenovo 42T4857 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:

Lenovo 42T4806, Lenovo 42T4807, Lenovo 57Y4565, Lenovo 42T4805, Lenovo 42T4805, Lenovo 42T4806, Lenovo 42T4807, Lenovo 42T4808, Lenovo 42T4812, Lenovo 42T4813, Lenovo 42T4814, Lenovo 42T4815, Lenovo 42T4857, Lenovo 57Y4564, Lenovo 57Y4565

Fits Models:

Lenovo Thinkpad Edge 13, Lenovo Thinkpad Edge E30, Lenovo Thinkpad Edge E31

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 42t4857,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 Lenovo 42T4857 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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