Battery for IBM Lenovo ThinkPad X200 X200s X201 42T4536 42T4538 42T4542 42T4696
For LENOVO ThinkPad X220. For LENOVO ThinkPad X220i. FOR LENOVO. Remove the old battery, carefully install the new battery on the battery case, screw in the screw, and connect the wiring of the new battery.