Volts: 10.8V

Capacity: 4400mAh

Battery Type: Lithium-ion

The battery is compatible with the following:

ThinkPad X30, X31, X32 Series

Replace the following part number:

02K7039, 02K7040, 08K8035, 08K8036, 08K8039, 08K8040, 08K8045,