The 18 Volt / 5Ah battery combo pack DCK856P4-QW from Dewalt consists of eight battery-powered tools: a three-speed hammer drill, a 1/2" square drive impact wrench, an SDS-plus combination hammer, a 125 mm angle grinder, a reciprocating saw with tool-free blade change, a jigsaw, a circular saw, and an LED light (250/500 lumens), including four batteries and a dual charger. The latest generation of brushless motor technology ensures a longer lifespan, and the extremely compact and balanced design with low weight makes working easier. The four ultra-compact lithium-ion system batteries are compatible with all 18 Volt XR battery machines. The DCK856P4 set is delivered complete in the Tough System with robust Tough Boxes and a trolley.