Lithium-Ion batteries are
longer lived than conventional batteries and do not require replacement
as often. This 9-Cell Lithium-Ion battery from Dell™ helps you power up
your system for business trips and vacations. With a capacity of 90 WHr
this battery lets you work seamlessly when you are on the move. This
product has been tested and validated on Dell systems to ensure it will
work with your computer and is compatible with Dell Notebook. It is
supported by Dell Technical Support when used with a Dell system.