DEWALT 18V Battery, NiCd Pod Style, 2.4-Ah (DC9096) - Walmart.com
DEWALT 18V to 20V MAX Lithium-Ion Battery Adapter, Charger, (2) 2.0Ah Battery Packs and 20V MAX XR 5.0Ah Battery DCA2203CWDCB205 - The Home Depot
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
DEWALT 18V to 20V MAX Lithium-Ion Battery Adapter Kit (2 Pack) DCA2203C - The Home Depot
DEWALT 20V MAX Lithium-Ion Battery Adapter for 18V Tools DCA1820 - The Home Depot