Amazon.com : Ryobi P163 18V OnePlus Lithium 2.0Ah Compact Battery and Charger Upgrade Kit includes a P118 Charger and P190 Battery : Tools & Home Improvement
P117 Charger For Ryobi P108 18V High Capacity Lithium-ion Battery NiCD NiMH - Walmart.com
One + Plus Lithium-Ion Battery for RYOBI P108, Power Tools, P104, Pknit, RB18L50, 18 V, 12Ah - AliExpress
RYOBI ONE+ 18V Cordless Stick Vacuum Cleaner Kit with 4.0 Ah Battery and Charger PCL720K - The Home Depot
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