This is a Brand New Original batteryGet the maximum-possible battery life for your Notebook by adding this optional secondary battery. Compatible Models: Gateway M460, M465, M255, NX260, NX550, NX560XL, S-7210N, S-7510N, S-7500N, Replaces part #s: SQU-415, AHA63218401, 916-4060. Product Specifications: Rating: 10.8V Capacity: 3600mAh Cell: 6 Cell Color: Black Technology: Lit-Ion Condition: Brand New In Stock: Yes