Battery Adapter for Ryobi 18V Cordless Tools Uses DeWalt 20V MAX XR Li-Ion Batteries, with 5V 2.1A MAX USB Charge Port-US Stock - Amazon.com
One World Technologies Recalls Ryobi Cordless Tool Battery Pack Due to Fire and Burn Hazards | CPSC.gov
RYOBI ONE+ 18V Lithium-Ion 2.0 Ah, 4.0 Ah, and 6.0 Ah HIGH PERFORMANCE Batteries and Charger Kit w/ HP Brushless Chain Saw PSK007-P2502BTL - The Home Depot
Source High capacity rechargeable power tool Li-ion 3ah 4ah 5ah for ryobi 18v battery on m.alibaba.com
Badaptor Dewalt 18V/20V Battery Adapter to Ryobi 18v One+ Tool for Bte – Knottec Wood Repair Glue