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Old 03-17-2021, 09:33 AM   #3
Bill
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Join Date: Feb 2003
Location: The mountains of Scottsdale, AZ, and the beaches of Maine
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Quote:
Originally Posted by DennisB View Post
we have been dry camping for a couple of days and due to poor battery management on my part, we woke at 6am and everything had shut down-lights, fridge and heater...
Dennis -

Assuming you have a common lead-acid battery, Group 24 or Group 27, as most of us do (it is what the dealers install when they sell a TM) ...

If you start the night with a fully charged battery, and don't use any lights, the furnace fan may keep running until early morning, depending on indoor and outdoor temps. But the battery will be flat by early morning, and as KidKraz says, that is not a good thing. For heat at night, the solution is either a bigger battery (twice as big), or a catalytic heater running on propane. Because of the carbon monoxide danger, choose your cat heater very carefully. You'll find lots of input on this forum. Use the Search tool on the term "catalytic". There is also lots of info online.

Don't even think about running the refrig on battery. It sucks a lot of power. Run it on propane.

Bill
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