Battery type: Li-Ion - no memory-effect Capacity: 6600 mAh Voltage: 11.1 V Energy: 73.26 Wh Colour: black Number of cells: 3 Weight: 470 g Compatible with the following device models: Dell XPS M1730 To ensure compatibility, please check to see whether the battery you are currently using is listed below. Replacement for: Dell 312-0680 Dell HG307 Dell WG317 .