Lithium-Ion (Li-Ion). 7800 mAh 87 Wh. 11.1 V. Brand compatibility: Dell. Grey. Number of batteries included: 1 pc(s). - Volts: 11.1V. - Capacity: 7800mAh. - Cells: 9. - Chemistry: LiIon. Features. Brand compatibility. Dell. Product colour. Grey. Battery voltage. 11.1 V. Number of battery cells. 9. Battery capacity. 7800 mAh. Battery technology. Lithium-Ion (Li-Ion). Packaging data. Number of batteries included. 1 pc(s). Other features. Number of products included. 1 pc(s)