Rotary Hammer and Battery Voltage 18 V Chuck Style SDS-Plus Blows per Minute 0 bpm to 4 350 bpm Anti-Kickback Clutch Yes Modes of Operation Hammer and Rotate Brushless Motor Yes Cordless Tool Kit Contents (2) Batteries Bare Tool Charger Battery Capacity 8.0Ah Core Bit Capacity 2 5/8 in Impact Energy 1.8 ft-lb Battery Model Number GBA18V80 Battery Series CORE18V Charger Included Yes Charger Model Number BC1880 GAL18V-160C GAL18V-20 GAL18V-40 GAL18V6-80 GAX1218V-30