Brand:IBM Fit Laptop Model(s):

ThinkPad A20,  ThinkPad A20M,  ThinkPad A20P,  ThinkPad A21,  ThinkPad A21M,  ThinkPad A21P,  ThinkPad A22,  ThinkPad A22M,  ThinkPad A22P,  ThinkPad i1800 Original Battery

Code:02K6616, 02K6618, 02K6645, 02K6644, 02K6619

Voltage:10.8V

Capacity:4400/6600MAH

Battery Type:Li-ion

 Net weight:326(g)