Cordless drill impact driver series bosch psb battery voltage 144 v battery capacity 13 ah number of batteries with 1 battery type of battery li ion battery management replaceable battery gear 2 speed tool holder keyless idle speed max 1 500 rpm max drehmoment hart 20 nm weight 21 kg drill diameter in steel 12 mm drill diameter in wood 22 mm charging time 60 min torque levels 5 2 max screw diameter 8 mm included in delivery 1 battery