RYOBI CANADA 18V High Volume Power Inflator (Tool Only) 33287173815 | eBay
Dual 18v battery adapter for 40v Ryobi tools from JPElectron.com on Tindie
Ryobi One+ 18v Lithium Ion 2.0ah Battery and Charger Kit, Extreme Weather Performance Fast Charging Under 1 hour - 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
Ryobi 18v ONE Battery Wall Mount / Holder Original Design - Etsy