Black & Decker PS140 battery by Amstron is designed for use with Black & Decker PS140. Amstron power tool batteries are precision-engineered and rigorously tested for voltage, capacity, compatibility and safety to exceed original equipment manufacturer specifications. • Chemistry: NiMH • Ratings: 14.4V 2.1Ah Capacity • Note: This Battery Does NOT Replace PS140 Type 3 battery part number.