Cordless drill impact driver cordless drill driver series aeg bsb battery voltage 18 v battery capacity 2 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 2 100 rpm blow count max 550 countsmin weight 18 kg drill diameter in concrete 14 mm drill diameter in steel 13 mm drill diameter in wood 45 mm chuck width 13 mm torque levels 21 includ