Cordless Rotary Hammer Kit Voltage 20 V Chuck Style SDS-Plus Solid Bit Optimal Drilling Range in Concrete 3/16 in to 5/8 in Core Bit Capacity in Concrete 2 1/2 in Blows per Minute 0 bpm to 5500 bpm Anti-Kickback Clutch Yes Modes of Operation Hammer Only Brushless Motor Yes Cordless Tool Kit Contents (1) Bare tool (1) Battery Battery Capacity 4.0 Ah Core Bit Capacity 2 1/2 in Impact Energy 1.9 ft-lb Battery Model Number DCB204 Battery Series 20V MAX Charger Included No