DeWalt DCK623P3 18V XR Brushless Compact Power Tool Kit 6pcs with 3x 5.0Ah Batteries The Dewalt DCK623P3 is part of the all powerful Dewalt XR 5.0Ah Lithium-ion cordless range, offering eXtreme run time, increased efficiency and improved performance. By constantly monitoring tool and battery operation, the intelligent switch module maximises performance and prevents damage caused by overload or temperature build-up. This technology, combined with a tough outer casing and superb ergonomics means that XR Lithium-ion is truly "Tough on the outside Intelligent on the inside". The 4.0Ah batteries are the same size and weight as the 3.0Ah enabling to mix and match your old with the new. Features Specification: DCD796 18v XR Compact Hammer Drill Driver: - Ultra .