12v, max cxt , lithium-ion, 2.0ah battery, delivers longer run time & lower self discharges, features an integrated led battery charge level indicator, compact design for less weight, part of the expanding 12v max cxt tool series, combining performance with superior ergonomics in a compact size, use only with makita charger dc10wd, not compatible with 12v max pod style tools or chargers, only use genuine makita chargers.