Good Sam Club Open Roads Forum: Fifth-Wheels: do you really need a battery?
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 > do you really need a battery?

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Rich&Mar

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Posted: 09/05/20 11:30am Link  |  Quote  |  Print  |  Notify Moderator

If you only camp in full hookup sites, why do you need a house battery? If the power goes out in the park, we have battery powered lanterns. The only reason I can think of, is to run the frig and maybe the furnace, but the power usually isn't out long enough to affect the frig and we do no cold weather camping. Your tow vehicle provides the power while towing for the running lights. A couple of things that might pop up would be if you needed to roll in the awing or slide. Anything else? What am I not thinking about?


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RobWNY

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Posted: 09/05/20 11:42am Link  |  Quote  |  Print  |  Notify Moderator

Your lights and slide outs are run on 12V power, so is your propane detector and some other things. A good way to test whether you need one or not is to unhook your battery the next time you're at a full hook up park and see what stops working. Then decide if you want to eliminate the battery. My guess is you'll want a battery.


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bukhrn

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Posted: 09/05/20 11:44am Link  |  Quote  |  Print  |  Notify Moderator

I'm not getting the reluctance to have a battery.
Having shore power, doesn't mean you don't need a battery, you still need 12v to run the fridge.


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azdryheat

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Posted: 09/05/20 11:48am Link  |  Quote  |  Print  |  Notify Moderator

So you're going down the highway and your hitch fails and your 5th wheel detaches from your truck. The breakaway switch tries to engage the trailer's brakes but you took out the battery. Now what?


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Posted: 09/05/20 11:53am Link  |  Quote  |  Print  |  Notify Moderator

You absolutely need a battery! For both the trailer brakes and smoke detectors for starters. Plus the long wire run from the alternator to the house w/o a battery may cause unacceptabe voltage variations etc.

Why would you not have one?


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jdc1

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Posted: 09/05/20 12:25pm Link  |  Quote  |  Print  |  Notify Moderator

Your converter will run all the 12 volt stuff in your RV with or without a battery. The ONLY negative side is the converter will be on 24/7, thinking your battery needs charging.

Roger10378

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Posted: 09/05/20 12:26pm Link  |  Quote  |  Print  |  Notify Moderator

If a trailer has brakes it has to have a working battery. It is required so that the trailer brakes will work if the trailer breaks away from the TV.


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BB_TX

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Posted: 09/05/20 12:35pm Link  |  Quote  |  Print  |  Notify Moderator

Power for the brakes in case of breakaway is necessary.

And the converter may not supply enough amperage to properly operate your slides and maintain proper voltage. Hydraulic slide motors pull a lot of amps and have heavy wires to them. Not sure about electric slides.

midnightsadie

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Posted: 09/05/20 01:17pm Link  |  Quote  |  Print  |  Notify Moderator

now that you know you need one ,take care of it, clean an charge as needed check water level four times a year.

Lwiddis

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Posted: 09/05/20 01:19pm Link  |  Quote  |  Print  |  Notify Moderator

Saving a buck by not having a battery isn’t wise and could be deadly when you are towing and the TV and 5er/TT separate. You’ll probably be fine, others may be injured or die. This is basic towing safety.


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