DENAQ 9-Cell Extended Capacity 85Whr/7800mAh Li-Ion Laptop Battery for IBM THINKPAD I1800, IBM THINKPAD A21E, IBM THINKPAD A20, IBM THINKPAD A20M, IBM THINKPAD A20P, IBM THINKPAD A21M, IBM THINKPAD A22, IBM THINKPAD A22M, IBM THINKPAD A22P Replaces IBM/LENOVO Parts 02K6614, 02K6616, 02K6617, 02K6618, 02K6640, 02K6746, 02K6767, 02K6769, 02K6770, 08K8025, 08K8031, 02K6615, 02K6619