Exmate Multivolt 1.2V-18V Battery Charger for Ryobi 7.2V 9.6V 12V 14.4V 18V Ni-MH/Ni-Cd Pod Style Batteries(Not for Li-ion Battery) - - Amazon.com
Amazon.com: Ryobi P3320 18 Volt Hybrid One+ Battery or AC Powered Adjustable Indoor / Outdoor Shop Fan (Battery and Extension Cord Not Included / Fan Only) : Home & Kitchen
Ryobi 18-Volt Lithium + HP High Capacity 9.0 Ah Battery - - Amazon.com
Ryobi P117 One+ 18 Volt Dual Chemistry IntelliPort Lithium Ion and NiCad Battery Charger (Battery Not Included, Charger Only) - Power Drill Accessories - Amazon.com