This is a Brand New Gateway Original ProductRestore your computers original battery life with a fresh replacement battery. Enjoy the running time you had when your computer was new. Compatible Models: Gateway M Series: M360, M460, M680. Gateway NX Series: NX500, NX550, NX850, NX860. Gateway MX Series: MX6000, MX6100, MX6400, MX6600, MX8500. Gateway S Series: S-7700N, S-7710N, S-7500N, S-7510N. Gateway Series: 6000, 6500, 8500. Replaces part #s: SQU-413, 6500949, 6500948, SQU-412, 103926, 103329, 106842, 4UR18650F-2-QC-MA1, AHA84224036, 6501096, 6501998. Product Specifications: Rating: 14.8V Capacity: 4800 mAh Color: Black Cells: 8 Cells Technology: Lit-Ion Condition: Brand New In Stock: Yes