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Old 04-07-2021, 03:25 PM   #1
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6V deep cycle batteries

is using two T145 trojan 6 volt deep cycle batterys in series overkill for an TT
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Old 04-07-2021, 04:30 PM   #2
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yes and no
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Old 04-07-2021, 04:35 PM   #3
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Welcome to IRV2! We're sure glad you joined the gang!

I don't see a problem with that if you have the space.

Good luck, happy trails, and God bless!
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Old 04-07-2021, 04:38 PM   #4
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No.
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Old 04-07-2021, 04:40 PM   #5
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Quote:
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is using two T145 trojan 6 volt deep cycle batterys in series overkill for an TT
Possibly underkill.
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Old 04-07-2021, 04:59 PM   #6
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I guess it all depends on if you run them down. It's all relative.
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Old 04-07-2021, 05:14 PM   #7
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That would be a minimal setup. Depending on usage, it may be adequate - or not. If always connected to shore power, likely ok. If doing extended dry camping, maybe not ok.
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Old 04-07-2021, 05:30 PM   #8
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When I had my T//T, a very simple Camplite with a single Group 27 on the tongue, we could routinely do three nights without running it down below 50%. Our daily usage was 10-15 amp hours.

Now with a Class A motorhome, just the parasitic loads (the stuff you can't turn off and don't know where it goes) draws 15-20 amp hours daily. Add to that our normal lights, device charging, etc and we use 30+ amp hours daily or 2+ times what our old T/T used.

Yes it is all relative.

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Old 04-08-2021, 07:30 AM   #9
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Originally Posted by uncle m00nie View Post
is using two T145 trojan 6 volt deep cycle batterys in series overkill for an TT

Well, you can't use just one.
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Old 04-08-2021, 09:48 AM   #10
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6 volt deep cycle batteries

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is using two T145 trojan 6 volt deep cycle batterys in series overkill for an TT
Sorry, I'm a newbie. What I should have asked was "if cost is not an issue what manufacturer of 6 Volt deep cycle flooded batteries do educated, experienced, RV'ers find to be the best performing, and what size?" I will install 2 in series.

Thank you all for the other replies!
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Old 04-08-2021, 09:57 AM   #11
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OK. Just learned that there are a similar threads already started on this topic. I didn't know enough about this "posting" business to look further down the page to see "similar threads"! I apologize, and will read through all that has already been shared. If you've shared in a similar thread, don't waste your time answering my Q. Thank you, again! unclem00nie
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Old 04-08-2021, 11:30 AM   #12
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If cost is no object Trojan makes a good 6V deep cycle golf cart batty. Sams Club sells 6V GCs Duracell flooded for about $90 ea and they will provide good service if properly cared for.
If cost is no object I would go for a pair of 6V AGM GCs.
Sams Club has Duracell AGM for about $170 ea.
No maintenance, corrosion and again treated properly they will give good life.
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Old 04-09-2021, 08:18 AM   #13
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Quote:
Originally Posted by Winemaker2 View Post
If cost is no object Trojan makes a good 6V deep cycle golf cart batty. Sams Club sells 6V GCs Duracell flooded for about $90 ea and they will provide good service if properly cared for.
If cost is no object I would go for a pair of 6V AGM GCs.
Sams Club has Duracell AGM for about $170 ea.
No maintenance, corrosion and again treated properly they will give good life.
Thank you, Winemaker2! Tell me then please, would I need to replace my TT converter/charger when upgrading from a single flooded 12V to 2- 6V AGM GC's?
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Old 04-09-2021, 10:07 AM   #14
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Many OEM converters installed on RVs only have one charging profile and can't be changed. Having said that, there isn't much difference in charging profiles between FLA (flooded cell lead acid) and AGM batteries. So I wouldn't worry about it.

But do make sure that two GC batteries will fit in the space where you had two 12V batteries. GC cases are taller than any 12V batteries, about an inch.

David
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