Powered by Fuel technology, the M28 Fuel 1-1/8" SDS-Plus Rotary Hammer delivers corded speed, corded durability, and up to 2x more runtime. The Milwaukee POWERSTATE brushless motor provides 3.5 ft-lbs of impact energy, 0-1, 1350 RPM and 0-5,000 bpm. REDLITHIUM XC battery packs provide longer runtime, 20% more power and 2X more recharges than standard lithium-ion batteries. REDLINK PLUS intelligence integrates full-circle communication between tool, battery and charger to protect from overloading, overheating, and over-discharging. The M28 Cordless 1-1/8" SDS-Plus Rotary Hammer provides consistent, fade-free power and superior runtime, making it an ideal solution for electrical, mechanical, pipe fitter and plumbing trades. Dual anti-vibration reduces vibration and fatigue, while the balanced design and variable-speed trigger ensures smooth, accurate starts and optimum balance and control.