The Dell GJKNX 68Wh 7.6V Black Li-Ion Battery is specifically designed for use with Dell Latitude and Precision laptops. It has a capacity of 68Wh and a voltage of 7.6V, making it compatible with models such as the Dell Latitude 5840 and Dell Precision 15. This black battery is made of lithium-ion and contains 4 battery cells, providing reliable power for your laptop while on the go. The Dell brand ensures high quality and compatibility with your device, making this battery a trusted choice for extended use.