The product is a used genuine Dell Latitude 5400 5500 battery with a capacity of 5400 mAh, operating at a voltage of 7.6V. Made by Dell, this AC/Standard battery is compatible with the Latitude product line. It is designed for use in laptops and desktop accessories, specifically for Dell devices. The battery is manufactured in China and has specific compatibility codes (BT-4GVMP-N). This is sold as is.