Wagan Seven Liter Personal Fridge and Warmer
My Koolatron 18 Quart (17 Liter) Cooler arrived today and I am excited to try it out. If I did not need the volume, I would consider a Wagan Seven Liter Personal Fridge and Warmer. The wagon also claims to cool 40 degrees below ambient air temp.
FYI, the Koolatron Cooler has a temperature range of 65F to 149F, but the specification does not specify if that is relative to ambient temperature or not.
Also, it’s important to keep in mind that the cooling efficiency of these portable car coolers is relative to how cool the items are that need to stay cool are to start with, and, how much empty volume is in the cooler. In other words, sticking a stack of cans in the bottom of the cooler, just to take up space, will help the other items stay cool.