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Amazon.com: Customer reviews: DEWALT Battery Adapter 18V to 20V, For Drills, Sanders and More, Charger Not Included, Bare Tool Only (DCA1820)
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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
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