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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
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Amazon.com: X-Adapter 1x Adapter for DeWalt 20v MAX XR Cordless Tools Works On Black & Decker 20v MAX LBXR20 (Not 18v Ni-CD) Batteries- Adapter Only,BD-DW20 : Tools & Home Improvement
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DEWALT 20V MAX Battery Adapter Kit, 18V to 20V, 2 Batteries and Charger Included (DCA2203C) - Amazon.com
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