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 18 Volt to 20 Volt MAX Battery Adapter Combo Kit - Taylor's Do it Center
DEWALT 18V to 20V MAX Lithium-Ion Battery Adapter Kit (2 Pack) DCA2203C - The Home Depot
DEWALT 18 V Lithium-Ion/Ni-Cad/NiMH Battery Charger 1 pc - Ace Hardware
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
18V 6.0Ah For DeWalt XRP Battery / Charger 18 Volt DC9096-2 DC9098 DC9099 DW9096 | eBay
DEWALT 20V MAX Lithium-Ion Battery Adapter for 18V Tools DCA1820 - The Home Depot
DEWALT 18 Volt to 20 Volt MAX Battery Adapter Combo Kit - Denville Do it Best Hardware
DEWALT 20-Volt 2-Pack 2 Amp-Hour; 2 Amp-Hour Lithium Power Tool Battery Adapter Kit (Charger Included) in the Power Tool Batteries & Chargers department at Lowes.com