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Old 02-21-2011, 01:53 PM   #1
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Refrigerator on Propane

I have done some searching and haven't found any exact answer.

1. Does anyone know about how much propane the fridge uses per day on propane? (Assuming it is the basic 6.0CF fridge)

2. How long will the 12v "brain" for the fridge run on a single full charged battery?
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Old 02-21-2011, 04:16 PM   #2
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I have done some searching and haven't found any exact answer.

1. Does anyone know about how much propane the fridge uses per day on propane? (Assuming it is the basic 6.0CF fridge)

2. How long will the 12v "brain" for the fridge run on a single full charged battery?
1: Almost none. It's nothing but a glorified pilot light. I have run my fridge on propane for a month with no discernable drop in propane.

2: Again, it will run for a long time. Thye fridge takes very little battery power. Less than a light bulb.

Tom
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Old 02-21-2011, 06:56 PM   #3
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Also remember you have other things like propane detectors that are going to run that batter down if you are thinking about leaving it on for a while unattended
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Old 02-21-2011, 08:34 PM   #4
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I've heard of reports of better than a month... But I'd think the batteries will die before the propane does...

It also depends on your weather too... Mild/cool weather will go farther than hot/humid weather.
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Old 02-21-2011, 09:28 PM   #5
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Don't expect more than a few days as the sensors will deplete the battery. If youl are plugged in to power then you are good for a month or more.
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Old 02-21-2011, 09:48 PM   #6
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Ok...according to Norcold, their fridges consume 1,500 btu/h

#30 cylinder hold about 7.1 gallons or 653,200 BTU

So if my calculations are correct, it would last a minimum of 18 days (meaning it was running 24x7), but it should last considerably longer depending on how much it has to run.
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Old 02-21-2011, 09:55 PM   #7
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Thanks for the info everyone. The reason this question comes about is that my RV stays at a storage facility with no shore power so i want to go there 2 days before our trips and turn the fridge on so we can go with groceries and put them right in the fridge that will already be cold. So the fridge will be empty i wouldnt think it would take much to keep it cold. I also am going to be replacing the batteries with the 2x6v golf cart battery setup (i hear this will be a big improvement in the battery life).
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Old 02-21-2011, 10:00 PM   #8
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Your problem is not propane, but battery life. If you throw in a fully charged battery and dont leave anything else on, I think you should be ok even on a group 24. 2x6v would absolutely be no problem.

Dont forget to turn your TV antenna amp off! That is an easy power drain to forget.
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Old 02-21-2011, 10:05 PM   #9
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Dont forget to turn your TV antenna amp off! That is an easy power drain to forget.
This is why my set of Group 24's is on my work bench on the charger now. Lesson Learned...
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Old 02-22-2011, 09:14 AM   #10
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Ok...according to Norcold, their fridges consume 1,500 btu/h

#30 cylinder hold about 7.1 gallons or 653,200 BTU

So if my calculations are correct, it would last a minimum of 18 days (meaning it was running 24x7), but it should last considerably longer depending on how much it has to run.
That is it could never reach shutoff point. Even then its a rather long time.. All based on weather...

I imagine using your math and a normal 70-80*F days I bet you could get a month from a single #30 bottle.
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