CQCQ 75+ Battery for Lenovo ThinkPad B590 E530 E540 E430 E431 E435 E440 E445 E531 E535 E545 0A36311 45N1048 45N1049 45N1043 45N1042 (10.8V 48Wh/4.4Ah)

Battery Type: Li-ion Voltage:10.8V Capacity:48Wh/4.4Ah
Compatible Part Number: 45N1048 45N1049 45N1043 45N1042 75+
Fit For: E430 / E430c / E431 / E435 / E440 E445 / E530 / E530c / E531 / E535 / E540 / E545
Battery Condition:100% Brand New!Grade A cells ensure fast charges and low power consumption.
How to install a new battery 1. emove the old battery, carefully install the new battery on the battery box, tighten the screws, and then connect the wires of the new battery. 2. If you have questions about installing a new battery, you can search for the installation of laptop/tablet models on YouTube. This method may help you.
For Optimal Use battery 1.New battery received, discharge the battery to 5% (not 0%) for the fist use, then charge and cycle 3-4 times to wake up the new battery. The important point is to perform a full discharge and charge every other month to extend the battery life. 2.Do not connect adapter for a long time while using the battery. It may damage the battery. Avoid artificial shocks, disassembly, crush or puncture. Do not dispose of it in fire or water.
Battery with 2 Year Satisfied Warranty We team offers every customer 100 percent satisfaction guarantee. If you have any problems while using this battery, please feel free to contactUs, we will reply within 12 hours. Please rest assured that we also have 2-year warranty.