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
Fhybat 2Packs 3600mAh Ni-Mh 18 Volt Replacement Battery - Amazon.com
ExpertPower 2 Pack Replacement Battery for De-Walt DC9182, DC9181, DC9180, 18V XRP Lithium Ion fits All Dewalt 18 Volt Tools - Amazon.com
New Battery Replacement for Dewalt 18v 18 Volt 1.3 XRP Batteries DC9096 | eBay
DeWalt 18V NiCad Rechargeable Battery Rebuild Kit
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