Powered by FUEL technology, the M18 FUEL 1” SDS Plus Rotary Hammer delivers faster than corded speed, corded durability, and all day work on one charge. The Milwaukee POWERSTATE Brushless Motor Provides 1.7 ft-lbs of impact energy, 0-1,400 RPM, and 0-4,900 BPM. The Milwaukee REDLITHIUM XC5.0 Battery Packs provide all day work on one charge, 20% more power, and 2X more life 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. PRODUCT SPECIFICATIONS Voltage18V Length12.48" Warranty5 Year Limited Warranty BatteryM18 REDLITHIUM ChargerM18 and M12 Multi-Voltage Charger No Load Speed0-1,400 Blow Energy1.7 ft-lbs BPM0-4,900 Trigger LockNo Solid Bit Capacity1" Thin Wall Core Bit Capacity2-1/2" Drilling Mode3-Mode: Rotary Hammer, Hammer Only, Rotation Only Handle StyleDrop Motor Vibration8.9 m/s Battery SystemM18 Weight7 lbs Power SourceCordless