DM18RL Battery Adapter for Roybi 18V Tools, with USB for Dewalt for Milwaukee M18 Battery Convert to Ryobi 18V Lithium-ion Battery RB18L50 RB18L40 RC18115 5132000047 RB18L20 etc : Amazon.co.uk: DIY & Tools
1x Ryobi 18v Adapter For Dewalt 20v Li-ion Battery w/Low Voltage Discharge BMS | eBay
Battery Adapter for Dewalt 20V for Milwaukee 18V Batteries Convert to for Ryobi 18V Batteries,for Ryobi Power Tools(Adapter Only): Amazon.co.uk: DIY & Tools
DM18RL Battery Adapter for Dewalt/Milwaukee to Ryobi Battery Adapter, Convert for Dewalt 20V Llithium Battery to Ryobi Tool 18V P105 P107 P108 Battery with 5V 2.1A USB Charge: Amazon.co.uk: DIY & Tools
DeWalt to Ryobi 18-20V Battery Adapter - EuroTool
3D Printed DeWALT Battery Adapter for Ryobi Tools - YouTube