The Makita 12V Nickel-Metal Hydride battery has 3.3Ah of power and is compatible with the Makita DC18RC cordless battery charger (sold separately). The Makita 12-Volt 3.3Ah Ni-MH Slide-Style Battery Pack features longer run time than standard Nickel Cadmium (Ni-Cd) batteries. Features a compact design to reduce operator fatigue.