New Original Battery For Dell Precision M2400, Precision M4400, Precision M4500 312-7415, 451-10583, 451-10584, 451-11376, 451-11399, 453-10112, TX283, U844G, W0X4F, W1193 Condition: Brand new Capacity: 56WH, Voltage: 11.1V Battery Cell: 6 Cells Package Include: One Pc Laptop Battery for listed models warranty: 1 year