[ 4800mAh 6 Cells ] Dell XPS M1530 series Replacement Laptop Notebook Battery P/N Colour: Black. Type: Li-ion. Voltage: 11.1V.Capacity: 4800mAh. Cell:6 Replacement For :RU006 RU033 RN894 GP975 TK330 312-0664 Fit Machine Models: DELL XPS M1530 Series Please make sure that the battery part numbers listed in the description matches the battery part number on your original battery before you purchase