Long Life 6600mAh Laptop Battery for Dell Precision M4600, Precision M4700, Precision M6600, Precision M6700 Battery Type: Lithium-ion (Li-ion) | Rate: 73.00 Wh Voltage: 11.10V | Capacity: 6600mAh Color: Black | No. of cell: 9 | Weight: 448.00 g Compatible Part Numbers: 0FVWT4, 0TN1K5, 312-1176, 312-1177, 312-1178, 3DJH7, 451-11742, 451-11743, 451-11744, 97KRM, 9GP08,FV993, KJ321, PG6RC, R7PND, X57F1 Condition: New, 1 year warranty! Please ensure the product(s) that you are going to buy fits the brand, model, part number and dimension of your device.