NiMH Replacement Battery for Dewalt DW9091 - Fits DW906 (also works with Dewalt DC728KA) Looking for reliable performance from your Dewalt DC728KA Power Tool? Our Dewalt DC728KA battery will provide you the performance and dependability that you demand for your Power Tool. With an efficient rating of 14.4V Volt and 2.1 , you never have to worry about being too far from an ac outlet. Our line of Dewalt DC728KA batteries are precision-engineered and rigorously tested for voltage, capacity, compatibility and safety to exceed original equipment manufacturer specifications. With an industry leading warranty and customer service, you can’t go wrong. ... More Info