RYOBI ONE+ 18V High Performance Lithium-Ion 6.0 Ah Battery (2-Pack)

Up to 6X more runtime & 30% more power while running cooler than other models; Lithium-ion chemical composition resists drainage when idle, HIGH PERFORMANCE Technology features the most advanced battery electronics for overload and overheating protection; Easily snaps into place and detaches with quick-release buttons, Part of the RYOBI 18V ONE+ System of Over 300 Cordless Products; Pair with ONE+ HP tools for optimized performance & recharge on any 18V ONE+ charger, Integrated LED fuel gauge to monitor remaining runtime; Monitors voltage, temperature, and current for longer battery life, Robust construction to protect against impact; Delivers fade-free power in extreme weather conditions