18V of voltage Type of Battery: Li-Ion Power: 340 Battery capacity and power output: 2 Ah Speed at no load: 0-450/1650 rpm The range of beats per minute is 0-7650 / 0-28050. Chuck size range: 1.5–13 mm Torque: 26 / 65 Nm (soft/hard). Maximum drilling capacity: Metal 13 mm, Wood 30 mm, Masonry 13 mm