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) :
2X For DEWALT DCA1820 20V Battery Adapter Converter 20V to 18V Max Li-Ion DC9096 US - Walmart.com
18V to 20V Adapter | DEWALT
DeWalt Battery Adapter to AEG – Power Tools Adapters
Amazon.com: JJXNDO V8 Adapter for Dewalt 20V Lithium Battery Converter to Replace for Dyson V8 Battery, Works with Dyson V8 Series Animal Absolute Vacuum Cleaner Installation Parts(Adapter Not Battery) : Home &
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