The Milwaukee M18 FUEL 18-Volt lithium-ion Brushless 1/2 in. Hammer Drill/Driver Compact Battery Kit packs plenty of power and technology to tackle your toughest applications. Featuring a 2-speed POWERSTATE brushless motor that delivers up to 650 in. lbs. of torque, this tool's REDLITHIUM battery delivers exceptional work per charge and longer pack life and has a fuel gauge so you know exactly how much remaining charge you have. The REDLINK PLUS Intelligence provides optimized performance and overload protection using advanced power tool electronics for total system communication between tool, battery and charger for steady, reliable operation and less downtime. Easy and comfortable to use, the contoured soft grip provides the ultimate comfort and control for prolonged use, while the all-metal ratcheting/locking chuck provides maximum bit retention and durability.