Bigfoot 17CB batteries moved.... - Page 2 - Fiberglass RV


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Old 09-22-2015, 03:53 PM   #15
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Originally Posted by Ellpea in CA View Post
I've heard two sides to the "move the battery inside" issue. Mine is on the outside, and we're right at the edge of our tongue weight unless we pack very carefully inside. I've thought about moving the battery in, but have also been told that's dangerous to have it charging inside. So what's the story?

Also (sorry for the question but) what is the advantage of two 6v as opposed to two 12v?


There is no advantage. Lots of myth no real advantage.
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Old 09-22-2015, 04:48 PM   #16
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If the battery is nowhere near anything propane, are there any other considerations?
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Old 09-22-2015, 05:03 PM   #17
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Quote:
Originally Posted by Ellpea in CA View Post
I've heard two sides to the "move the battery inside" issue. Mine is on the outside, and we're right at the edge of our tongue weight unless we pack very carefully inside. I've thought about moving the battery in, but have also been told that's dangerous to have it charging inside. So what's the story?

Also (sorry for the question but) what is the advantage of two 6v as opposed to two 12v?
I think if there was a great danger, you wouldn't see so many manufacturers mounting them inside.

There are advantages to either battery type. With two 12v in parallel when one goes belly up, you still have 12v available in the other.
By comparison, a 6v battery has only half the cells of a 12v in the same space, and the plates can be heavier and longer lasting. But if one dies you are left without any 12v source, (except for your TV).

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Old 09-22-2015, 05:44 PM   #18
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myths...

I love watching that Hindenberg video every time the subject of batteries comes up....always good for a laugh

lead acid batteries can/will produce hydrogen when charged or discharged at a very high rate....neither situation is likely in a small trailer application....and one would need a spark very near the battery to ignite the gas

propane has nothing to do with it...most trailers have a single battery mounted right beside the propane tanks

deep cycle six volt batteries (aka Golf Cart batteries) typically have thicker plates than 12 volt batteries which translates in longer life (more charging cycles before the batteries have to be replaced)

they are heavier...they cost more....people/manufacturers spend the money because you can store more power with a dual 6V set up than you can with 12V batteries....and replace them less often
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Old 09-22-2015, 06:47 PM   #19
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and speaking of You Tube videos....

explains 2 GCs versus one or two 12V....even three!

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Old 09-23-2015, 02:51 AM   #20
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Originally Posted by Ellpea in CA View Post
I've heard two sides to the "move the battery inside" issue. Mine is on the outside, and we're right at the edge of our tongue weight unless we pack very carefully inside. I've thought about moving the battery in, but have also been told that's dangerous to have it charging inside. So what's the story?

Also (sorry for the question but) what is the advantage of two 6v as oppos two 12v?
I'd like to join Ellpea's question - what is the advantage of two 6v as oppos two 12v? I know I want two batteries because I will be doing a lot of boondocking, but I don't ha e a clue which system is better. I will also have at least 100 watts of solar for charging. Thanks
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Old 09-23-2015, 06:58 AM   #21
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So what else is there to say after the previous three posts?

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Old 09-23-2015, 05:31 PM   #22
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ain't it amazing Junkie that BF paid so little attention to the weight distribution.....at first I thought that in my CB the problem would be even worse than yours because of the bigger fridge...but then I realized you got the stove/sink combo on that left side as well !!!...probably the same
Yep Francois, kitchen, range/oven, fridge, sink, counter and cabinets, bathroom/shower, and water heater, all on the left side. Nothing heavy on the right side except the fresh water tank and whatever was stored under the dinette and bunk.

No matter what I did, I couldn't counter-weight the right side to get it to sit level. Not a big deal, it tracked fine. Just took a little extra effort when leveling. I really liked the layout though so it was worth it. I'd shim the left spring up if I still had the trailer.
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Old 09-23-2015, 10:26 PM   #23
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so it's gone????

sheeesh after all that work that must have been tough.....Are you "between trailers" now or did you pick up something else and bigger????

yeah the weight thing.....thinking on it if BF had simply installed both fresh and grey water underslung tanks all the way to the right that would have at least helped a little...
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Old 09-23-2015, 10:45 PM   #24
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Walt,
You may want to check here The 12volt Side of Life (Part 1)
your batteries do not appear to be properly wired.
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Old 09-24-2015, 04:53 AM   #25
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Walt,
You may want to check here The 12volt Side of Life (Part 1)
your batteries do not appear to be properly wired.
Hmmm. Looking at my picture, it seems okay, but I'll look at them in the morning and check again.
I don't see how they could be wired incorrectly and still have worked fine for over two years.
Like I said, I'll check before I leave in the morning, and report back.

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Old 09-24-2015, 07:12 AM   #26
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They will still work, it is just moving one of the converter leads from the positive battery A to positive, battery B, that way the converter will think you have one battery comprised of A+B versus one battery of just A. It may help in equalizing the charge to the batteries and make them last longer.
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Old 09-26-2015, 09:05 PM   #27
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Old 09-26-2015, 09:10 PM   #28
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I sent you a PM

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