Original DeWalt 18V NiCad Battery DC9098 Type 1 | eBay
Bosch 18v nicad battery to Dewalt battery adapter Global shipping | eBay
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