DEWALT, a leading manufacturer of industrial power tools, announced that its DC9310 battery charger system and all battery packs that are compatible with it, including all DEWALT 7.2V to 18V Nickel Cadmium (Ni-Cd), Nickel Metal Hydride (Ni-MH) and Lithium-Ion (Li-Ion) batteries, have received the nationally recognized ENERGY STAR rating.