Ryobi P197 Battery ONE + (PLUS) Compatible Replaces P108 Rechargeable Lithium Ion 18 v Volt 4.0 Ah / 72 Wh UL Listed Faster Recharge Single Battery with Fuel Gage - Amazon.com
18V ONE+ | Ryobi Tools
Ryobi 18-Volt Power Caulk Adhesive Gun P310G with Battery and Charger | eBay
RYOBI 18V ONE+ HP Brushless 600 PSI Cordless Battery Power Cleaner Kit with 4.0 Ah Battery... | The Home Depot Canada
Amazon.com: RYOBI ONE+ 18-Volt Lithium-Ion Cordless Mister with 2.0 Ah Battery and Charger Included : Patio, Lawn & Garden
18V ONE+ | Ryobi Tools
I guess you can find decent deals in Canada : r/ryobi
18V ONE+ 120-WATT POWER SOURCE WITH 12V OUTPUT - RYOBI Tools
Ryobi P310G ONE+ 18V Power Caulk and Adhesive Gun (Tool Only) – NT Electronics LLC