Cordless drill driver series ryobi r18 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 1 600 rpm max drehmoment hart 45 nm weight 14 kg drill diameter in concrete 13 mm drill diameter in steel 13 mm drill diameter in wood 34 mm chuck width 13 mm torque levels 24 special features automatic spindle lock rightleft rotation s