For those considering whether to buy a fridge vs. a cooler, I thought I'd post some preliminary data on how long my new Dometic CFX-65DZUS lasts on a new 100 ah deep-cycle battery. I plugged the fridge into 120v ac and cooled it to 25 deg. F. I then connected it to the fully charged battery and left it running in my 68 deg. living room. I opened the fridge three times a day for 30 seconds each time to simulate real-world use (at least for me). After 72 hours, the battery voltage had declined from 12.75 to 12.2.
Caveats: I haven't used the fridge in the wild yet, and obviously hotter/colder outside temps, a warmer/colder fridge temperature setting, and opening it more/less will affect performance. Ditto if you're charging the battery periodically with solar or an alternator. But for what it's worth, there you go.
Caveats: I haven't used the fridge in the wild yet, and obviously hotter/colder outside temps, a warmer/colder fridge temperature setting, and opening it more/less will affect performance. Ditto if you're charging the battery periodically with solar or an alternator. But for what it's worth, there you go.
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