Amazon.com: Replace for DEWALT Battery Adapter 18V to 20V, Milwaukee M18 Adapter to Dewalt 18V, Converter for Dewalt 18V/20V & for Milwaukee M18 18V Battery to Work for Dewalt 18V Nicad &
Amazon.com: Adapter for DeWalt to Milwaukee Battery, Aikeec Battery Adapter for DeWalt 18 20V Lithium Battery Convert to for Milwaukee 18V M18 Battery Use for Milwaukee M18 Cordless Power Tool (Adapter only) :
Dewalt Heavy-duty XRP 18 Volt Batery Pack - Amazon.com