This is a spare ThinkPad X60 Tablet 4 Cell Li-Ion Battery The battery is designed for use with ThinkPad X60 Tablet. Provides approximately Three-hour average battery life. Compatible ThinkPad Models: ThinkPad : ThinkPad X60 Tablet. Replaces IBM part #s 40y8314, 42T5204, 42T5206. Product Specifications: Rating 14.4V Capacity: 2.0 Ah Size: 3.60" x 0.92" x 10.74" Time live: Three-hour average battery life Cells: 4Cell Color: Black Technology: Lit-Ion Condition: Brand New