Amazon.com: JJXNDO for Dewalt 20V to 18V Battery Adapter, 2-Pack DM18D Upgraded Version DCA1820 Converter for Dewalt 18V/20V & for Milwaukee M18 18V Battery to Work for Dewalt 18V Nicad & NiMh
Amazon.com: Bonadget 2Pack 6.5Ah DC9098 DC9099 Replacement Battery for Dewalt 18V XRP Battery Compatible with Dewalt 18 Volt Battery Lithium-ion DC9096 DC9098 DC9099 DW9095 DW9096 DW9098 DE9038 Power Tool Battery : Tools