Qingle 9 cells Li-ion Battery for DELL XPS M1530 1530 RU006 RU033 RN894 0RU028 XT828 312-0663 RU028 TK330,11.1V 7800mAh Type: Li-ion, 9 cells Voltage: 11.1V Capacity: 7800MAH Brand New Replacement Product, works as genuine parts, 100% OEM Compatible!! Full 12 months warranty!!