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Old 07-14-2014, 12:15 PM   #1
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Join Date: May 2014
Location: Melbourne, FL
Posts: 148
What runs off of 12v DC power

What will run off of the 12v battery when disconnected from shore power? So far only my lights, power winch and a few other small items will operate from the battery. Reason is that when we stop for lunch, etc. it would be nice to run a small fan inside while we eat lunch, etc. as it is pretty hot in Florida these days. I do not want to run the A/C or water heater from DC but can the refer be run from 12v (for a short period)? Do I need to install a separate power inverter and wire it into the board for this? I am extremely knowledgeable about solar power and have existing inverters and panels that I can use for this but I am thinking that for the small amount that I will be using it that I will not significantly drain or damage the battery. If so I can easily upgrade the battery.

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Old 07-14-2014, 12:25 PM   #2
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Join Date: Mar 2011
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I found that my exhaust fan and Fantastic Fan did run off the battery. While I only used them for a short period my battery did drain much faster than expected.

You can buy a fan from Camping World that will run off the battery. And also check into fans for tent camping.

Great choice for "Living within my means" and camping for one...

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Old 07-14-2014, 02:04 PM   #3
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Join Date: Aug 2011
Location: Iowa
Posts: 34,423
Your refrigerator will run from 12v but is the propane side.
Circuit board on fridge requires 12 v to run propane.
Things that will work while NOT on shore power.
Fridge "propane side"
Water heater "propane side"
Water pump.
Roof fans.
Electric jacks.
Electric awning.
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