RYOBI ONE+ 18V HIGH PERFORMANCE Lithium-Ion 4.0 Ah Battery and Charger Starter Kit PSK004 - The Home Depot
Ryobi P117 One+ 18 Volt Dual Chemistry IntelliPort Lithium Ion and NiCad Battery Charger (Battery Not Included, Charger Only) - Power Drill Accessories - Amazon.com
Have a Cordless Tool Battery Won't Recharge? You Can Fix That.
Ryobi Battery Repair - Battery is not charging, how to fix [Quick Version] - YouTube
RYOBI P135 18V One+ 6 Port Lithium Ion Battery Supercharger (18V Batteries Not Included/Charger Only) - Amazon.com
RYOBI ONE+ 18V 6-Port Dual Chemistry IntelliPort SUPERCHARGER with USB Port P135 - The Home Depot