Laptop battery IBM A30 6 Cells 10.8V 4400mAh/48wh, compatible partnumbers: FRU 02K67020, 02K6793, 02K6794, 02K6795, 02K6796, 02K7022, 02K6878, 02K6879, 02K6897, 02K6898, 02K6899, 02K7020, 02K7021 , fit models: IBM ThinkPad A30, ThinkPad A30P, ThinkPad A31, ThinkPad A31P, ThinkPad A30 series High Quality Laptop Battery 6 Cells, Li-ion, 10.8V 4400mAh/48wh - black 1 Year warranty