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 > 12v to 6v review?

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SabreCanuck

Canada

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Posted: 04/28/21 11:47am Link  |  Quote  |  Print  |  Notify Moderator

Currently have 2-12v 7ear old batteries that appear to be getting weak. Am thinking of replacing with 2-6v GC batteries (or maybe 4).
Anyone have experience or real world review of moving to the 6’s?

FWIW - I understand the wiring process, have solar, battery monitor, etc etc. Just curious of the pros/cons between the two systems if anyone made the move.


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2oldman

NM

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Posted: 04/28/21 11:51am Link  |  Quote  |  Print  |  Notify Moderator

These might keep you busy for awhile.

6v v 12 2018
6v v 12 2017
6v v 12 2017
12v vs 6v.. which charge faster? 2014
12v or 6 Dec 2013
2- 12v or 6v June 2013
12v vs 6v batteries 2013
12v vs 6v batteries 2006
More 12v vs 6 2006
12v vs 6v 2010
Why 2 6? 2006

Grit dog

Black Diamond, WA

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Posted: 04/28/21 12:35pm Link  |  Quote  |  Print  |  Notify Moderator

Or don't waste your time, since you arent' really into researching it anyway.
Pros - everything
Cons - Nothing, except you cant pull one to run your trolling motor or jump start your car.


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C Schomer

Pueblo West, Co.

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Posted: 04/28/21 12:53pm Link  |  Quote  |  Print  |  Notify Moderator

IDK if it's still true but I was always told by battery distributors forklift techs etc. that there's no TRUE 12v deep cycle batteries because the plates aren't as think as real 6v deep cycle batteries. I had 1 - 12v group 27 in my first RV and I added another one. Later on, I talked to Hensley Battery in Denver and they told me a T105 would have more capacity than even a group 27 12v.
It looks like GC2's are still the rage and the best bang! Craig

time2roll

Southern California

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Posted: 04/28/21 01:02pm Link  |  Quote  |  Print  |  Notify Moderator

Been running 4x GC2 15 years running. Have proven to be very adequate and should serve you far better than the pair of 12v.
My next battery will be lithium.


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SabreCanuck

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Posted: 04/28/21 02:10pm Link  |  Quote  |  Print  |  Notify Moderator

time2roll wrote:

Been running 4x GC2 15 years running. Have proven to be very adequate and should serve you far better than the pair of 12v.
My next battery will be lithium.


P
Mine too probably just not in the cards right now. Nothing against them, just a lot of $$. I also drive a GMC not a Lamborghini for the same reason. Lol.

SabreCanuck

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Posted: 04/28/21 02:13pm Link  |  Quote  |  Print  |  Notify Moderator

C Schomer wrote:

IDK if it's still true but I was always told by battery distributors forklift techs etc. that there's no TRUE 12v deep cycle batteries because the plates aren't as think as real 6v deep cycle batteries. I had 1 - 12v group 27 in my first RV and I added another one. Later on, I talked to Hensley Battery in Denver and they told me a T105 would have more capacity than even a group 27 12v.
It looks like GC2's are still the rage and the best bang! Craig


Agreed, on all points. Interesting that you “added” one as I often call overkill when I hear people say you can’t possibly “add” a new battery to an old battery without the sky falling. Lol.

SabreCanuck

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Posted: 04/28/21 02:25pm Link  |  Quote  |  Print  |  Notify Moderator



Thanks for this info. Glad you have kept the list and built it over the years (I see it building on some of the replies lol). I searched the forum for a few keywords but only got recent stuff regarding lithium. I will read these as well, most of them seem to be discussing the same stuff over and over and in my opinion gets internet-experts real quick.. The opinions are not wrong, however often deeper than the standard user cares about.
I guess my question was “beyond the expert opinions, did you notice a difference when switching over”.

SabreCanuck

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Posted: 04/28/21 02:30pm Link  |  Quote  |  Print  |  Notify Moderator

Grit dog wrote:

Or don't waste your time, since you arent' really into researching it anyway.
Pros - everything
Cons - Nothing, except you cant pull one to run your trolling motor or jump start your car.


I have researched, I understand the concept, you forgot to mention the age old argument if one goes bad, or you have to charge them properly, or blah blah, blah..... I was asking for real world review from anyone else that may have switched. In keeping with my “research” I have responded to others that have actually helped. My response to your response would be a little less “thankful” than others.
Hope you get what you deserve from life.

dedmiston

The West

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Posted: 04/28/21 02:37pm Link  |  Quote  |  Print  |  Notify Moderator

I switched to 6v in 2004 and am happy enough with them to keep using 6v.

My only advice though is to only use 6v if you have the room and the budget for four batteries (or more). That way if something goes wrong with one of your batteries, you still have a functioning pair that make 12 volts.

This hasn't happened to me in a long time, but twice I've had a battery go bad. The first time we just had two 6v batteries, so losing one put us out of business until somebody nearby loaned us one of theirs for the weekend.

The second time, we had four batteries, so the second set did the trick until I could replace the bad one.


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