Ratbert
Well-Known Member
- First Name
- John
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- Jun 20, 2020
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That's still just 4 amps per hour if, for whatever reason, it's running the compressor non-stop. With 350ah to work with that's over 80 hours in a worst case scenario.My Dometic CFX3 45 uses about 48 watts when the compressor is running. About 1-2 watts when its not. Makes a huge difference in your math.
But, I would not run a cooler off a start battery for 3 days. The Dometic does have a battery saver option but I dont think I would trust it. Maybe if I had a jump box, which I also do carry.
The aux switches also seem to have a battery saver feature built in. I've had it turn off on me when I forgot about the fridge after camping.
Would I be comfortable running it for three days? Probably not, but the math seems to indicate that it'd be fine.
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