Cordless drill driver series bosch gsr battery voltage 108 v battery capacity 15 ah number of batteries with 1 battery type of battery li ion battery management replaceable battery gear 2 speed max drehmoment hart 30 nm drill diameter in steel 10 mm drill diameter in wood 19 mm charging time 30 min torque levels 20 special features electric brake soft handle rightleft rotation led light included in delivery charger l boxx 1 battery