Bosch GBH 18 V-EC Brushless SDS+ Rotary Hammer inc 1x 4Ah Battery, Charger and L-Boxx Carry Case 0611904075 Unsurpassed combination of power and weight The provided 4.0 Ah battery offers great runtime and performance as well as having the convenience of being able to be charged at any state without damaging the cells, thanks to the low weight efficient Bosch EC motor (only 2.6 kg) and compact design for more comfortable work. The GBH 18 V-EC has the highest chiselling removal rate (12 kg/hour) in its class. FEATURES Long runtime with one battery charge of the 4.0 Ah thanks to efficient Bosch EC motor Unsurpassed combination of power and weight Low weight (only 2.6 kg) and compact design for more comfortable work Highest chiselling removal rate (12 kg/hour) in its class Innovative COOLpack batteries ensure optimum heat dissipation and therefore increase lifetime by up to 100% Bosch Electronic Cell Protection (ECP): protects the battery against overload, overheating and deep discharge Extremely robust: Electronic Motor Protection shuts down the motor in the event of overload; fully functional even after a 2 metre drop test on concrete No memory effect: the battery can be charged regardless of the charging state at any time, without damaging the cells SPECIFICATION Max. impact energy: 1.7 J Battery voltage: 18 V Battery capacity: 4.0Ah Weight incl. battery: 2.6 kg Length: 285.0 mm Height: 218.0 mm Toolholder: SDS-plus Max. drilling diameter in steel: 13 mm Max. drilling diameter in wood: 20 mm Forward/reverse operation Electronic Overload clutch NOISE & VIBRATION Measured values determined according to EN 60745. Total vibration values (vector sum of three directions) Screwdriving Vibration emission value ah - 2.5 m/s² Uncertainty K - 1.5 m/s² Drilling in metal      Vibration emission value ah - 2.5 m/s² Uncertainty K - 1.5 m/s² Hammer drilling in concrete Vibration emission value ah - 16.0 m/s² Uncertainty K - 1.5 m/s² The A-rated noise level of the power tool is typically as follows: Sound pressure level 91 dB(A); Sound power level 102 dB(A). Uncertainty K= 1,5 dB.