Always on the go? No more worries about running out of battery power! You can back up your system with this 9-Cell Lithium-Ion Primary Battery from Dell™. With a capacity of up to 97 WHr, the battery lets you work seamlessly when you are on the move for business trips or vacations. This battery offers long life and consistently reliable performance you need to get the most out of your system. This product has been tested and validated on Dell systems. It is supported by Dell Technical Support when used with a Dell system.