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 > Mind the Batteries

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Coelacanth

Syracuse, NY

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Posted: 06/24/19 02:51pm Link  |  Quote  |  Print  |  Notify Moderator

Folks,
I have a buddy who has a Southwind. It has 2 6-volt batteries connected in series as house batteries. And, a 12-volt engine battery.
I want to get him battery chargers/minders for his birthday. I know he’ll need a 12-volt charger for the motor, but for the 2, 6-volt batteries in series...do I need to get him a 6 volt minder, or a 12 volt?

Best,
Jack


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DrewE

Vermont

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Posted: 06/24/19 03:07pm Link  |  Quote  |  Print  |  Notify Moderator

You need a 12V one for the house battery as well. Two 6V batteries in series is a 12V battery (or, alternately, a 12V battery is just two 6V batteries permanently connected together in series). In either case you have six lead-acid cells strung together.





Bill.Satellite

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Posted: 06/24/19 03:13pm Link  |  Quote  |  Print  |  Notify Moderator

Coelacanth wrote:

Folks,
I have a buddy who has a Southwind. It has 2 6-volt batteries connected in series as house batteries. And, a 12-volt engine battery.
I want to get him battery chargers/minders for his birthday. I know he’ll need a 12-volt charger for the motor, but for the 2, 6-volt batteries in series...do I need to get him a 6 volt minder, or a 12 volt?

Best,
Jack


12V.


What I post is my 2 cents and nothing more. Please don't read anything into my post that's not there. If you disagree, that's OK.
Can't we all just get along?

Coelacanth

Syracuse, NY

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Posted: 06/24/19 03:28pm Link  |  Quote  |  Print  |  Notify Moderator

Ok, so for the 2, 6-volt batteries in series...hook to the (-) terminal on one and the (+) terminal of the second?

Jack

time2roll

Southern California

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Posted: 06/24/19 04:00pm Link  |  Quote  |  Print  |  Notify Moderator

Why not just plug in the RV and use the on board charging system?
If that does not charge the chassis battery you can get him a Trik-L-Start combiner.

https://www.lslproducts.net/TLSPage.html

Otherwise you want the 12v minder. Probably one for each battery (house + chassis).


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pianotuna

Regina, SK, Canada

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Posted: 06/24/19 04:06pm Link  |  Quote  |  Print  |  Notify Moderator

X2 on the Trik-L-Start


Regards, Don
My ride is a 28 foot Class C, 256 watts solar, 556 amp hours of AGM in two battery banks 12 volt batteries, 3000 watt Magnum hybrid inverter, Sola Basic Autoformer, Microair Easy Start.

Bill.Satellite

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Posted: 06/24/19 04:06pm Link  |  Quote  |  Print  |  Notify Moderator

Let the owner of the RV determine how to properly connect the battery minder. The only thing you need to know is that a 12V system is what is required.

wa8yxm

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Posted: 06/24/19 04:47pm Link  |  Quote  |  Print  |  Notify Moderator

I have been flamed for saying this but there are no SIX VOLT batteries in RV's.

Only 12 volt that have been split into two halves for easier handling.

So you use only 12 volt stuff. the two sixes, when hooked in series are roughly a 4D (that's a BIG 220 amp hour 12 volt battery)

Actually the converter in the RV should charge those just fine less it is a very old rig with a very old converter.


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Coelacanth

Syracuse, NY

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Posted: 06/24/19 05:04pm Link  |  Quote  |  Print  |  Notify Moderator

Will do.
Obviously you have more faith in his electrical ability than I might?

Jack

ArchHoagland

Clovis, CA, USA

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Posted: 06/24/19 11:47pm Link  |  Quote  |  Print  |  Notify Moderator

Does he plug into power when not using the coach?

I assume you are getting him the charger for the times he's not using it.


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