The Genuine 68Wh GJKNX Battery is a black Li-Ion battery designed for Dell Latitude laptops, including models such as 5480, 5580, 5280, 5490, 5491, 5580, and 5590. This battery has a capacity of 68Wh, with 4 battery cells, and a voltage of 7.6V. It is compatible with various Dell Latitude models and comes with a manufacturer warranty of 2 years. Made by Dell, this battery is a reliable and high-quality accessory for extending the usage time of your laptop while on the go.