IBM 40Y6795 replacement laptop battery provided by Amstron is designed for use with IBM ThinkPad Z60m, Z61m Series. The LIB-58 is designed to replace OEM part numbers: 40Y6795, ASM 92P1128, ASM 92P1130, FRU 92P1127, FRU 92P1129. Amstron laptop batteries are precision-engineered and rigorously tested for voltage, capacity, compatibility and safety to exceed oriinal equipment manufacturer specifications. • Chemistry: Li-Ion • Rating: 10.8V 4800mAh • Dimensions (LxWxH): 8.08 '' x 2.13 '' x 0.83 " • Warranty: 1 Year