Cordless drill impact driver series makita dhp 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 1 300 rpm blow count max 19 500 countsmin max drehmoment hart 42 nm max drehmoment weich 27 nm weight 17 kg drill diameter in concrete 13 mm drill diameter in steel 13 mm drill diameter in wood 36 mm charging time 15 min chu