Dual 18v battery adapter for 40v Ryobi tools from JPElectron.com on Tindie
RIDGID Battery Adapter to Ryobi – Power Tools Adapters
DIY Adapter for Ryobi ONE Battery to Ridgid 18V Power Tool - Etsy
DIY Adapter for Ryobi ONE Battery to Milwaukee M18 Power Tool - Etsy
Amazon.com: DM18RL Battery Adapter for Dewalt to Ryobi Battery Adapter, Convert Dewalt 20V Llithium Battery to Ryobi 18V P107 P108 Battery with 5V 2.1A MAX USB Charge : Tools & Home Improvement
MT20RNL Battery Adapter for Makita 18V Li-Ion Battery Convert To Ryobi 18V T.B8 V3P3 - Walmart.com
Cross-Brand Adapter Makes For Blended Battery Family | Hackaday
Amazon.com: MAKBOS for Ryobi for Dyson V6 Battery Adapter,for Dyson V6 Series Vacuum Cleaner, Convert for Ryobi 18V Battery to Replace for Dyson V6 SV03 SV04 SV09 DC62 DC59 Animal Battery(only Adapter) :
DeWalt to Ryobi 18-20V Battery Adapter | Badaptor
DYOBI V8 (RYOBI TO DYSON V8 BATTERY CONVERTER ADAPTER) – No Payn Designs