We just bought a Coleman roadtrip cooler at Wal-Mart. It comes with both the car adapter, and normal plug in adapter. It's also a 'heater' or a cooler. It claims the internal temp on cold, will be 42' colder than the outside temp. It said to pre-chill stuff, for best results. I put a case of water in the fridge today for our trip we leave on Friday.
The cost was 62.77 at wal-mart, the cost for 6 nights at ASMovies for a fridge was $60.00 We are going to use it not only for WDW but also at St. Augustine for the following week, so we'll get our money out of it even if we never use it again.
According to the box, (I havent taken it out yet LOL) it holds 52 12 oz cans of soda, or 6 2 litre bottles...it's "40 quart"...whatever that means LOL
I've read on here its important to keep the fins open so the fan can cool properly...we'll use it vertically in the truck, so the fins are on the top. I plan to plug it in on Tuesday night, and put in some ice blocks with towels to absorb the moisture...then Friday morning, at 3am, just before we leave, I'll put it in the truck, and get it loaded with the water etc...
If we were flying, I probably would just bite the bullet and rent, but since we're driving and theres room in my Envoy, we bought one
Brandy