Cordless drill impact driver series bosch psb battery voltage 18 v battery capacity 25 ah number of batteries with 2 batteries type of battery li ion battery management replaceable battery gear 2 speed tool holder keyless idle speed max 1 400 rpm blow count max 22 500 countsmin max drehmoment hart 32 nm max drehmoment weich 28 nm weight 13 kg charge indicator integrated torch drill diameter in concrete 10 mm drill diameter in steel 13 m