Mini cordless screwdriver series bosch psr battery voltage 36 v battery capacity 15 ah number of batteries with 1 battery type of battery li ion battery management internal battery gear 1 speed idle speed max 210 rpm max drehmoment hart 45 nm weight 05 kg integrated torch charging time 240 min max screw diameter 5 mm included in delivery 1 battery charger bits assortment drills carry case