Li-ion (Ah)5.0 4.0 3.0 2.0 1.5Impact Energy2JCapacity Concrete24 mm (15/16")Capacity Steel13mm (1/2")Capacity Wood27mm (1-1/16")Impacts per minute (IPM)0-4700No Load Speed (RPM)0-950Sound Pressure Level90dB (A)Sound Power Level101dB (A)Vibration level hammer drilling Into Concrete13.5m/s²Vibration level chiseling10.5m/s²Vibration level Drilling3.5m/s²Dimensions (L x W x H)328mmx85mmx213mm (12-7/8"x3-3/8"x8-3/8")Net weight3.0kg (6.6lbs)BL MotorXPTVoltage18VVariable SpeedBrakeReversingTorque LimiterDust CollectingCarrying Case