The Dell OEM Battery is specifically designed for use with Dell Precision M2400, M4400, M6400, and M6500 laptops. It is a silver-colored Li-Ion battery with a capacity of 90Wh and a voltage of 11.1V. With 9 battery cells, this genuine Dell product is compatible with the Dell Precision product line and is a reliable choice for those in need of a high-quality replacement battery for their laptop. With battery cells made in Korea, this unit is a dependable option for those looking to extend the life of their Dell Precision laptop.