Skil SB18B-LI 18V Lithium Ion Battery, 1.3 Ahr

The Skil SB18B-LI 18V Lithium Ion Battery, 1.3 Ahr.

SB18B-LI includes (1) lithium ion battery
Power plus system - lithium ion and Ni-Cad battery compatible
Holds a charge 4x longer - so it's ready whenever you need it.
50-Percent lighter weight to minimize user fatigue
Battery charge indicators - lets you know the charge status of your battery