Amazon.com: URUN Upgrade for Dyson V7V8 Battery Adapter Replacement, for Ryobi 18V Lithium Battery Work for Dyson V7/V8 Series Vacuum Cleaner (RYO18V7V8 Adapter Not Battery) : Tools & Home Improvement
Dual 18v battery adapter for 40v Ryobi tools from JPElectron.com on Tindie
Parkside X20V Team Battery Adapter for Ryobi One - Etsy
Battery Adapter for Milwaukee Battery Adapter to Ryobi 18v Tool w/USB Port US | eBay
STL file ADAPTER FOR LIDL PARKSIDE X20 BATTERY TO RYOBI ONE+ DEVICE・3D printable model to download・Cults
DIY Adapter for Ryobi ONE Battery to Ridgid 18V Power Tool - Etsy
Amazon.com: Cell9102 Battery Adapter for Dewalt to Ryobi Battery Adapter, Convert Dewalt 20V Llithium Battery DCB205 DCB207 to Ryobi 18V One+Battery P107 P108, with 5V 2.1A(Max) USB Charge : Tools & Home
18V Ryobi ONE+ to Makita Battery Adapter v1.5b by Volan | Download free STL model | Printables.com
RYOBI ONE+ 18V Lithium-Ion Portable Power Source P743 - The Home Depot