Cordless drill impact driver series milwaukee m12 battery voltage 12 v battery capacity 4 ah number of batteries with 2 batteries type of battery li ion gear 2 speed idle speed max 1 700 rpm blow count max 25 500 countsmin max drehmoment hart 44 nm weight 15 kg integrated torch drill diameter in concrete 13 mm drill diameter in steel 13 mm drill diameter in wood 25 mm charging time 80 min chuck width 1 5 13 mm included in delivery 2 ba