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Old 02-06-2014, 08:29 AM   #29
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I do believe that the 40# you will save will be insignificant in the grand scheme of things.
Also, due to the decreased amperage your tongue jack will also run much slower, putting an increased drain on the single battery even if hooked to the TV.
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Old 02-06-2014, 08:36 AM   #30
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I do believe that the 40# you will save will be insignificant in the grand scheme of things.
Also, due to the decreased amperage your tongue jack will also run much slower, putting an increased drain on the single battery even if hooked to the TV.
Bruce, did you mean to say "I don't believe that the 40# you will save will be insignificant in the grand scheme of things"?

If so, I agree, it's not the weight that I'm concerned with (it's actually closer to 60# for a group 27), it's the complexity. Like I said before, if they were in series, I'd not give it another thought.
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Old 02-06-2014, 09:47 AM   #31
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I see nothing wrong with 1 battery if that is really what you want. I like having 2. I sleep with a CPAP and try to keep enough charge to run it a couple of nights in an emergency. I check the fluid level once in a while. As easy to do it to 2 as to one. I still use the original converter. Batteries last 2 to 3 years. I pretty much just change them based on age and if we anticipate needing them on a summer trip.

Would 2 golf cart batteries in series be better than 2, 12 volt in parallel? Would they fit?
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Old 02-06-2014, 09:58 AM   #32
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Would 2 golf cart batteries in series be better than 2, 12 volt in parallel? Would they fit?
They would fit, and have slightly more capacity. The group 27's are about 100AH, so 200AH in parallel, and the big 6 volts that I have looked at are 210AH. Of course, there may be bigger ones out there that I am unaware of.

Going to two 6 volts really doesn't gain you much in my opinion because you are still left in the situation where if anything goes wrong with one, you need to replace both, because all batteries in a bank, no matter how they are wired, should be the same age, type, and capacity.
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Old 02-06-2014, 10:54 AM   #33
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This forum amuses me sometimes - we Airstreamers analyze every issue a dozen ways, to intricate detail.

SteveH - I think you missed the "in" in "insignificant" - bwoodtx is saying the 40 lbs are insignificant. I agree; we don't change our hitch settings depending on whether our propane tanks are full or empty (at least, I don't).
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Old 02-06-2014, 10:58 AM   #34
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This forum amuses me sometimes - we Airstreamers analyze every issue a dozen ways, to intricate detail.

SteveH - I think you missed the "in" in "insignificant" - bwoodtx is saying the 40 lbs are insignificant. I agree; we don't change our hitch settings depending on whether our propane tanks are full or empty (at least, I don't).
Yes, you're right, I missed it, and some of us have too much time on our hands to sit and think about this kind of stuff when we should be out traveling in our Airstreams.

If we ever get all the Doc appointments taken care of, and/or spring gets here, that will happen.
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Old 02-06-2014, 02:40 PM   #35
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Yes, you're right, I missed it, and some of us have too much time on our hands to sit and think about this kind of stuff when we should be out traveling in our Airstreams.

If we ever get all the Doc appointments taken care of, and/or spring gets here, that will happen.
Yeah, it's winter. Only a few lucky people in nicer weather are able to go camping. Most of the rest of us are stuck in the cold, so all that's left is to dream about camping and overanalyze minor changes to configurations. And get our truck fixed so it's ready to go come spring.
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