LabTEC RB18L50 18V 5Ah Replacement Battery for Ryobi 2 Packs with Dual Port Charger Replacement for Ryobi P117 12V-18V One Plus Series, USB Charger Set for Ryobi P107 P108 RB18L15 RB18L40: Amazon.co.uk:
Adapter Charging Adaptor Dual USB Converter For Ryobi 18V Li-ion Battery | eBay
18V ONE+ 1800-WATT POWER STATION KIT - RYOBI Tools
Make a USB-C charger powered by an 18v RYOBI battery : r/ryobi
4V 3-Port Fast Charger | RYOBI | RC43P
Ryobi R18USB-0 18V ONE+ Cordless USB Charger (Body Only), Green : Amazon.co.uk: DIY & Tools