Amazon.com: JJXNDO 1-Pack DM18D Upgraded Version DCA1820 Converter for Dewalt 18V/20V & for Milwaukee M18 18V Battery to Work for Dewalt 18V Nicad&NiMh Battery Tool(Convert Lithium Battery to Nicad/Nimh Battery) : Tools
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DC9096 DC9098 2.5Ah Replacement Battery Compatible with Dewalt 18 Volt Battery Charger Replacement for Dewalt 7.2V-18V NiCad NiMh Battery DC9096 DC9098 2Pack - Walmart.com