Amazon.com: for Dewalt 20V to 18V Battery Adapter, JJXNDO 2-Pack DM18D Upgraded Version DCA1820 Converter for Dewalt 18V/20V & for Milwaukee M18 18V Battery to Work for Dewalt 18V Nicad & NiMh
DEWALT 18V XRP Ni-Cd Rechargeable Battery with Security Strap for DEWALT 18V Power Tools DC9096 - The Home Depot