DEWALT 20V MAX Battery Adapter Kit, 18V to 20V, 2 Batteries and Charger Included (DCA2203C) - Amazon.com
Amazon.com: JJXNDO 18V to 20V Adapter DCA1820 for Dewalt 20V/18V Lithium ion Battery with USB Port, Convert 20V Battery DCB204 DCB206 to 18V NiCad NiMh Battery Tool(2 Pack) : Tools & Home
Battery Adapter Dm18d With Usb,compatible With Dewalt 18v Tools.convert For Dewalt 20v & For Milwaukee M18 Lithium Battery To Nicad & Nimh Battery Tools - Temu
DEWALT 20V MAX Lithium-Ion Battery Adapter for 18V Tools DCA1820 - The Home Depot
Battery Adapter For DeWalt 20V Li-ion Battery to 18V Ni-Cd SKIL Power Tools | eBay