This is a 7 Cell Brand New Original Battery for IBM/ Lenovo Laptops. Lithium Ion System Battery is a rechargeable battery that supports the ThinkPad Z60t/Z61t series Notebooks. Compatible ThinkPad Models: ThinkPad Z60t: Z60t, Type: 2512, 2513, 2514. ThinkPad Z61t: Z61t Type: 8749, 9440, 9441, 9442, 9443, 9448. Replaces IBM part #s 40Y6793, 40Y6794, 92P1126. Product Specifications: Rating 14.4V Capacity: 5200mAh Size: 8.84" x 2.51" x 0.89" Color: Black Technology: Lit-Ion Condition: Brand New