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Old 09-21-2015, 01:39 PM   #11
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I 2nd Turbs. Best bang for the buck are 2 Interstate SRM 24 batteries. About a 20% premium over Walmart batteries, but well worth the difference. Go by the Interstate Battery outlet and pick one up. Compare the weight to the other suppliers. Weight difference is in the lead, and lead is battery life.
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Old 09-21-2015, 01:45 PM   #12
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batteries

I have used 6 volt systems for the last three trailers (10 years) and have been very happy. I think it is a matter of preference, if you can get an equivalent number of amp hours. that is the true measure of how much power you have to run things.
Adding solar is a sound idea. We have a cheap set of two panels, that make around 19 volts, running though a controller, that keeps it at 14 volts, and keeps the batteries well charged. They aren't mounted, so I just put them on top of the rig when I park and put them back in the box when we leave. I rarely run the generator, and we boondock for up to a month at a time (archery elk season in Oregon). The genny only runs if there is a real cold front for several days, or if we need to run the water heater or A/C.
Good luck.
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Old 09-21-2015, 01:59 PM   #13
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Originally Posted by Gregg Willow View Post
If you do not have room for two 6v's or want to stay in the 12v world the Trojan T1275 has been a great battery for me. It is 12v, 150ah @ 20 hr rate and is heavy (82lbs). It has thick plates like the 6v's. I switched over to all LED lighting when I first got my camper and can go for about 4 days with conservative use before needing a charge.

T-1275 | Trojan Battery Company

Thanks, do you use one or two of these batteries. A single battery at 150 AH would be about double my single 24 group battery's capacity.
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Old 09-21-2015, 02:23 PM   #14
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I have had and used dual interstate srm24 batteries for 5 years now with great success.

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2015 camping "27 nights"
Thanks for the input. I looked on the Interstate web site and didn't see the amp hour rating.
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Old 09-21-2015, 02:29 PM   #15
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Originally Posted by brooklyncowgirl View Post
Thanks, do you use one or two of these batteries. A single battery at 150 AH would be about double my single 24 group battery's capacity.
remember that you only really get half that amount of Amp hours on a 12 volt battery
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Old 09-21-2015, 02:49 PM   #16
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Thanks for the input. I looked on the Interstate web site and didn't see the amp hour rating.
That one is 84 ah, so you have approx 42 usable amp hours.
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Old 09-21-2015, 07:35 PM   #17
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Thanks guys. I Appreciate the input. Looks like size wise We're limited to 2 6 volt, 2 group 24 12 volt or one bigger 12 volt. That and the fact that we are cash strapped newbies and therefore need moron proof DIY. 6 volt sounds good and I've seen the wiring diagrams it doesn't look too complicated but what happens if we screw it up?
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Old 09-21-2015, 08:15 PM   #18
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Originally Posted by brooklyncowgirl View Post
Thanks, do you use one or two of these batteries. A single battery at 150 AH would be about double my single 24 group battery's capacity.
Yes, I just use one. It is the capacity of my a-frame at the hitch. That is the reason why I went with one battery but needed some oomph.

You are a smart newbie by creating a thread like this and being informed. Best of luck with your choice.
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Old 09-21-2015, 08:30 PM   #19
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A good read here...

What does “20 Amp Hr rate” mean?
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Old 09-21-2015, 08:47 PM   #20
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I use 2 Trojan 24 tmx deep cycle batteries. Dual purpose batteries are not as good as a battery made for deep discharge.
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