1x Adaptor # RIDGID 18v Batteries To Ryobi 18v One+ Platform Tools- US STOCK | eBay
RYOBI ONE+ 18V Lithium-Ion 2.0 Ah, 4.0 Ah, and 6.0 Ah HIGH PERFORMANCE Batteries and Charger Kit w/ HP Brushless Chain Saw PSK007-P2502BTL - The Home Depot
RYOBI ONE+ 18V HIGH PERFORMANCE Lithium-Ion 4.0 Ah Battery and Charger Starter Kit PSK004 - The Home Depot