If you're using a cooler, odds are you're outside. And if you're outside, chances are you'd appreciate a way to stay comfortable. The Ryobi Air Conditioner Cooler checks both boxes. Normally, it serves as a 50-quart cooler. But plug in the included 18-Volt One+ battery, and it becomes an air cooler, blasting a cold breeze out the vent in the front. It runs for over four hours on the included battery, has an onboard storage compartment, and has wheels for hauling it around.