Cordless drill impact driver series bosch psb battery voltage 18 v number of batteries without batteries type of battery li ion battery management replaceable battery gear 2 speed tool holder keyless idle speed max 1 650 rpm blow count max 22 500 countsmin max drehmoment hart 54 nm weight 15 kg charge indicator integrated torch drill diameter in steel 13 mm drill diameter in wood 35 mm charging time 60 min torque levels 20 1 max scre