Bosch gbh 36vfli plus 36 volt lithium ion sds 3 mode rotary hammer cordless drill complete with quick change chuck 4ah battery charger and kitbox th bosch gbh36vfli plus is an upgraded version with new features like erc electronic rotation control and epc electronic precision control as well as the bosch coolpack batteries for longer runtime and lifetime features up to 50 faster work rate due to higher single impact energy and 100 more lifetime compared to predecessor gbh 36 vf liabsolute contro