RYOBI USB Lithium 2.0 Ah Lithium Rechargeable Batteries (2-Pack) FVB202 - The Home Depot
18V Battery Charger For Ryobi Rechargeable Battery Pack Power Tool Ni-Cd Ni-Mh Li-Ion
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