AuthFrank Battery Adapter for Ryobi 18V Lithium Ion Battery, with 200lm LED Work Light & DC Port & Dual USB Ports Charger, Power
Ryobi Power Supply USB QC 3.0 5V, 9V, 12V (TS80) from 3DPStuff on Tindie
Maybe 2nd best $20 new accessory?? Turns any 18v ryobi battery into a usb power bank. This guys isn't getting any love but I think it's pretty neat too. : r/ryobi
Power Wheels Adapter for RYOBI 40V Lithium Battery Dock Power Connector for DIY | eBay
Bosch to Ryobi One+ 18V Battery Adapter | Badaptor
Ryobi One+ 18V USB Power Adapter - YouTube
DIY Power Station Puts Ryobi Batteries To Work | Hackaday
Dm18rl Battery Converter Adapter Usb For Ryobi Convert For Dewalt 20v For Milwaukee M18 To 18v Battery Adapter - Chargers - AliExpress
18V ONE+ 150 WATT CHARGING POWER SOURCE - RYOBI Tools
for Power Wheels Adaptor for Ryobi Battery Adapter 18V One+ P108 P107 P102 Battery Dock Power Connector RC Toy & Car,e-Bike 12 Gauge Robotics(with Wire Terminals)
toolboy's Corner: Ryobi 18v to 40v Adapter and Extended Runtime Battery Bank