Cordless 20V Series - Hammer Drill Cordless 20V Series - Hammer Drill Voltage20 V Battery Capacity Li-ion, 2.0 Ah / 3.0 Ah / 4.0 Ah Charge Time1 h/ 3 h No-load Speed0-350 / 0-1500 RPM Max Torque50 Nm Torque Settings19 + Drill + Hammer Chuck Size13 mm Brushless MotorYes Overheating Protection SystemYes