This is a 8 Cell Brand New Original Battery for Lenovo Laptops The battery is designed for use with ThinkPad x60 and X60s Series notebooks. Provides up to 7.9 hours battery life. Compatible ThinkPad Models: ThinkPad X60: X60, X61, X60s, X61s Replaces IBM part #s 40Y7003, 92P1171, 92P1173, 92P1174, 92P1167, 92P1169, 92P1227, 92P1170, 40Y6999, 92P1163. Product Specifications: Rating 14.4V Capacity: 5200mAh Color: Black Technology: Lit-Ion Condition: Brand New