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+ JUMP STARTER KIT - RYOBI Tools
Amazon.com: RYOBI P1818 18-Volt ONE+ Lithium-Ion Cordless 4-Tool Combo Kit with (2) Batteries, 18-Volt Charger, and Bag