Cordless Rotary Hammer Kits Cordless Rotary Hammer Kit Battery Included Voltage 20.0 Chuck Type SDS Plus Cordless Tool Battery Type Li-Ion Battery Capacity 6.0Ah 0 to 4480 Blows per Minute 0 to 1000 No Load RPM Brushless Motor Yes Series 20V MAX Stop Rotation No 7/8 in Capacity in Concrete Impact Energy 3.5 ft.-lb. Battery Included (3) 52NA71 Battery Pack Replacement 52NA71 Handle Type L-Handle Features E-Clutch A Perform and Protect Feature Shocks - Active Vibration Control