Ryobi 18V One+ 4.0AH High Performance Battery and Charger Starter Kit - Amazon.com
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
One World Technologies Recalls Ryobi Cordless Tool Battery Pack Due to Fire and Burn Hazards | CPSC.gov