Badaptor Duo DeWalt / Milwaukee to Makita 18V Battery Adapter | Badaptor
Farm Update and: Upgrade old 18v Dewalt cordless tool: 20v lithium ion adapter kit review - YouTube
DEWALT 18-Volt 2-Pack 2.4 Amp-Hour; 2.4 Amp-Hour Nickel Cadmium (Nicd) Power Tool Battery Kit in the Power Tool Batteries & Chargers department at Lowes.com