Specification: Replacement FRU 08K8193 FRU 92P1091 Battery (6600MAH 10.8 V 9 Cells Li-Ion) for IBM ThinkPad T40 T42 T43 R50 R50E R51 R52
Compatible with following laptops:IBM Lenovo ThinkPad
T40 T41 T41P T42 T43 T43P R50 R50E R50P R51 R51P R52