Laptop Replacement Battery for IBM T40 Description:1) Battery type: Li-ion2) Voltage: 10.8V 3) Capacity: 4,400mAh ... Series;ThinkPad R51, R51e Series;ThinkPad R52, R52e series 6) Replacement Part Number: 08K8192, 08K8193, 08K8214, 92P1011, 92P1060, 92P1071, 92P1075, 92P1087 ...