Dentsing 91Wh 9cell Battery 245RR for Dell XPS 15 9530 Precision M3800 H76MV 7D1WJ Battery type: Li-ion.Model:245RR Voltage:11.1V. Color: BLACK Capacity:91WH/9CELL Compatible NoteBook: Dell XPS 15 9530 Dell Precision M3800 When purchasing the battery, please open the back cover of your laptop to confirm the model of your laptop battery. As battery might have issue of compatibility , when the computer was coming out of the manufactured factory, the battery used was the most accurate. Warranty: 12 Months .