Cordless Rotary Hammers Voltage 18 V Chuck Style SDS-Plus Solid Bit Optimal Drilling Range in Concrete Not Applicable Core Bit Capacity in Concrete 2 5/8 in Blows per Minute 0 bpm to 4 250 bpm Anti-Kickback Clutch Yes Modes of Operation Hammer and Rotate Brushless Motor Yes Cordless Tool Kit Contents (1) Charger (2) Batteries Battery Capacity 8.0Ah Core Bit Capacity 2 5/8 in Impact Energy 2.6 ft-lb Battery Model Number Mfr No GBA18V80 Battery Series 18V CORE