Laptop Battery 42T4703 42T4752 42T4756 42T4913 42T4765 for Lenovo ThinkPad E40 E50

Replace Part Number:
42T4703 42T4752
42T4756 42T4796
45N1000 42T4702
42T4751 42T4755
42T4791 42T4793
42T4795 42T4797
42T4817 42T4819
42T4799 42T4798
42T4885 42T4886
42T4911 42T4796
Compatible Laptop Model:
For Lenovo ThinkPad
ThinkPad E40 ThinkPad E50
ThinkPad SL410 ThinkPad SL410
ThinkPad SL410k ThinkPad SL510
ThinkPad T410 ThinkPad T410i
ThinkPad T510 ThinkPad T510i ThinkPad W510 ThinkPad W520
ThinkPad T420 ThinkPad T420I ThinkPad E420
ThinkPad E520 ThinkPad L410 ThinkPad L512 ThinkPad L412

Installation and usage instructions:

1. Before replacing the battery, be sure to turn off the power first and then remove the charger plug. Replacing the battery during the startup process may pose a safety hazard.
2.After removing the original battery, press the power button continuously for 10 seconds without releasing it. Release the remaining power and static electricity on the motherboard before replacing the new battery.
3. Before installing a new batter
y, confirm the positive and negative poles of the battery, especially the built-in battery, and be careful not to plug it in incorrectly.

Regarding Capacity:

Lithium batteries are consumables, and it is normal for their capacity to fluctuate by around+5% due to factors such as inventory time and usage environment.