About this replacement
Designed for IBM devices. Compatible models include ThinkPad A20, ThinkPad A20M, ThinkPad A20p, ThinkPad A21, ThinkPad A21e-2628, ThinkPad A21e-2632, ThinkPad A21M, ThinkPad A21p, ThinkPad A22, ThinkPad A22M, ThinkPad A22p, ThinkPad i1800-2628. Replacement part numbers include 02K6614, 02K6616, 02K6617, 02K6618, 02K6640, 02K6746, 02K6767, 02K6769, 02K6770, 08K8025, 08K8031, FRU 02K6615. Key specifications: 10.8V, 4400mAh, Li-ion.