Cordless Rotary Hammer Kit Voltage 36 V Chuck Style SDS-Plus Solid Bit Optimal Drilling Range in Concrete 3/16 in to 5/8 in Core Bit Capacity in Concrete 1 1/8 in Blows per Minute 0 bpm to 5 000 bpm Anti-Kickback Clutch No Modes of Operation Hammer Only Brushless Motor Yes Cordless Tool Kit Contents (1) Bare Tool (1) Charger (2) Batteries Battery Capacity 5.0 Ah Core Bit Capacity 2 1/8 in Impact Energy 2.3 ft-lb Battery Model Number BL1850B Battery Series LXT