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Old 05-30-2012, 02:07 PM   #1
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Location: Eugene,OR
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12 volt to (2) 6v really all that easy?

I have a 2006 Coachman Concord (23')- is the conversion from a 24dc-12 volt battery to 2- 6 volt batteries really all that easy? Room in battery box is not a problem, and I understand the wiring. Recently faced a dead battery issue when boondocking for a 3 day weekend, and needed to run generator every 3 hours, and also faced the CO and battery alarm issue (alarms go off when battery almost dead) all night long. Seems so simple......

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Old 05-30-2012, 03:30 PM   #2
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Location: Cincinnati
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Hooking up the two six volt in series to make a 2 case 12 volt battery is simple. Make sure the 6 volt batteries are identical in age and specifications. Hook up the positive terminal of one battery to positive lead, negative post of the other battery to ground, then a jumper from the empty negative post to the empty positive post of the other.

The only thing I didn't understand was, "24dc-12volt." You don't have 24 volt dc power in your coach, do you?

Also, you might audit your electrical usage, having to run the gennie every three hours seems like something's creating a big draw, unless you never let it run long enough to charge batteries back to full.


Bob & Donna
'98 Gulf Stream Sun Voyager DP being pushed by a '00 Beetle TDI
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Old 05-31-2012, 09:44 AM   #3
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If converting from one 12 volt to two sixes.. Think like this.

12 Volt: -{Battery}+
6 Volt{ -{Bat}t{try}+ (the 'T" in the middle is the jumper wire connecting the two)

And yes, it's that simple..

By the way.. There are many questions I have read on six volt batteries.. Things like:
Is it ok to replace just one
Do they ahve to be the same (Type, Size, Chemistery, Etc)
How do I charge them.

You will notice in the diagram above the two six volt batteries form a single 12 volt battery when you hook it in.

So, to answer the questions above:
Would you want a 12 volt battery where half of it was brand new and half 2 years old?
Would you want a 12 volt battery that was half one (Size, type chem, etc) Half the other

And you charge IT (The pair of them as though they were one)
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