Battery Type: Lithium-ion

Volts: 10.8V

Capacity: 4400mAh

The battery is compatible with the following:

ThinkPad T20/T21/T22/ T23 Series Laptop computer.

Replace the following part number:

02K6620, 02K6621, 02K6626, 02K6627, 02k6644, 02k6645, 02k6646, 02K6649, 0256857, 02K6858, 02K6859, 02K7025, 02K7026, 02K7027, 02K7028, 02K7029, 02K7030, 02K7032, 08K8026, 24p0149