We have one that's semi retired, meaning it doesn't get used anywhere nearly as much as it used to. It works fine in keeping cold stuff cold, but since it uses IIRC 4 amps, it's not something that you'd be able to use for a very long time. It's okay for keeping canned drinks cold, stuff like that.
Geoff & Jill
& Sierra, the little white monster
2013 Ford F-150 XTR SC Ecoboost
2015 Jayco Jay Flight 24FBS