The Cordless Rotary Hammer Bosch GBH 18 V-26 Compact is an unbeatably light and as powerful as corded, up to 100 drilled holes (6 x 40 mm in concrete) with one battery charge, ideal for indoor use.It weights only 3.5 kg, and it is ideally suitable for overhead work.It has bosch Vibration Control for fatigue-free working and Unique Bosch Premium lithium-ion technology for 400% longer lifetime.The ECP function protects the battery against overload, overheating and total discharge.