Direct Tool [directtoolsoutlet.com]
is selling RYOBI ONE+ 6-Port Dual Chemistry IntelliPort Super Charger with BONUS ONE+ 18 Volt Lithium-Ion Compact Battery 4-Pack for $120. Shipping is $7 for FedEx Ground.
Sold as Factory Blemish with 3 year warranty.
You might want to peruse their Ryobie ONE+ tool deals as well. This one jumped out at me but there are others available.
RYOBI ONE+ 18 Volt Pistol Grip Power Inflator [directtoolsoutlet.com]