Specifications: Brand: Unbranded /OEM Battery type :Li-ion Voltage : 11.1v is compatible with 10.8v Capacity:4400 mAH Compatible Models. (Do not fit for Dell vostro 3450 3550 3750) Dell vostro 3400 Series, Dell vostro 3500 Series, Dell vostro 3700 Series Compatible part numbers 0TXWRR, CYDWV, 312-0997, 312-0998, Y5XF9, 7FJ92, 04D3C, 4JK6R, 04GN0G What's in the box 1x Laptop Battery