Koolatron P-27 29-Quart Voyager Thermoelectric Cooler
The Koolatron Voyager Cooler earns top marks for its exceptional versatility and functionality. The unit plugs right into your vehicle's cigarette lighter, and a simple switch allows you to use it as either a heater or a cooler. It can stand vertically like a refrigerator or horizontally like a traditional cooler. Many users appreciate the large amount of space this cooler offers (enough to fit 48 twelve-ounce cans) and the sturdy, durable design. You can also purchase an AC adapter and use this cooler at home or in a hotel while traveling.