Ryobi P117 One+ 18 Volt Dual Chemistry IntelliPort Lithium Ion and NiCad Battery Charger (Battery Not Included, Charger Only) - Power Drill Accessories - Amazon.com
Ryobi One+ 18v Lithium Ion 2.0ah Battery and Charger Kit, Extreme Weather Performance Fast Charging Under 1 hour - Amazon.com
How To Fix Dead Ryobi 18V Battery | Storables
NEW Ryobi P197 4AH & P189 1.5AH 18V ONE+ Lithium-ion Battery Packs | eBay
How I Fix RYOBI 18v Lithium Battery Thats Not Charging Or Working P102 103 104 105 107 108 109 190 - YouTube
Have a Cordless Tool Battery Won't Recharge? You Can Fix That.
This battery won't charge on a regular charger, full explanation in comments : r/ryobi