Bosch GBH 18 V-EC SDS+ Cordless Brushless Rotary Hammer inc 2x 4Ah Batteries, Charger and L-Boxx Carry Case 0615990HH1 Unsurpassed combination of power and weight Long runtime (153 holes, 6 x 40 mm in concrete) with one battery charge (4.0 Ah) thanks to efficient Bosch EC motor Low weight (only 2.6 kg) and compact design for more comfortable work Highest chiselling removal rate (12 kg/hour) in its class Brushless Bosch EC motor: compact, dust-protected, lightweight and absolutely maintenance-free Innovative CoolPack batteries ensure optimum heat dissipation and therefore increase lifetime by up to 100% (cf. Li-Ion batteries without CoolPack) 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-m drop test on concrete No memory effect: the battery can be charged regardless of the charging state at any time, without damaging the cells FEATURES Even longer runtime thanks to NEW 4.0 Ah lithium-ion battery 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 ElectronicF 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 Forward/reverse operation Electronic Overload clutch SPECIFICATION Max. impact energy: 1,7 J Battery voltage: 18 V Battery capacity: 4 Ah 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