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vjswhippet

Cleveland, MO

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Posted: 05/11/19 01:32pm Link  |  Quote  |  Print  |  Notify Moderator

My sprinter motor home came with a solar panel and 2 batteries. I’ve never seen the charging light come on even on the sunniest days. My husband pulled one of the batteries and tested it and then the second one. Both say they have a short in them. Then realized they are both golf cart batteries. Is this ok ? I thought for trailers, campers, motor homes you used marine batteries!


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Kansas City area
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pianotuna

Regina, SK, Canada

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Posted: 05/11/19 01:35pm Link  |  Quote  |  Print  |  Notify Moderator

Many folks use Golf cart batteries wired in series for the "house" loads.


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.

CA Traveler

The Western States

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Posted: 05/11/19 01:58pm Link  |  Quote  |  Print  |  Notify Moderator

Did DH realize the GC batteries are 6V and test correctly? ie Test as 6V or connect in series and test as 12V.

Marine deep cycle are just slightly better than starting batteries. GC batteries are generally much better for RV house batteries. He'll need a voltmeter to determine if the solar is charging.


2009 Holiday Rambler 42' Scepter with ISL 400 Cummins
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2oldman

New Mexico

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Posted: 05/11/19 02:01pm Link  |  Quote  |  Print  |  Notify Moderator

Are these batteries 17 years old?

Lwiddis

Crestview area, Inyo County, California

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Posted: 05/11/19 03:15pm Link  |  Quote  |  Print  |  Notify Moderator

You and DH might find some reading on RV electricity, batteries, charging etc. helpful.


2015 Winnebago 2101DS TT & Tahoe LTZ, 300 watts WindyNation solar-parallel & MPPT, Trojan T-125s. TALL flagpole for US flag. Prefer USFS, COE, BLM, NPS, TVA, USF&WS, state & county camps. Bicyclist! 14 year Army vet - 11B40 then 11A - old MOS 1542 & 1560.


vjswhippet

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Posted: 05/11/19 04:20pm Link  |  Quote  |  Print  |  Notify Moderator

where do you get the 17 years old 2oldman ? When I bought it last year they said they had been replaced the year before so I'm assuming around 2 years old.

vjswhippet

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Posted: 05/11/19 04:21pm Link  |  Quote  |  Print  |  Notify Moderator

CA Traveler .. I asked him. He says they are 12V he tested them individually

2oldman

New Mexico

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Posted: 05/11/19 05:50pm Link  |  Quote  |  Print  |  Notify Moderator

vjswhippet wrote:

where do you get the 17 years old 2oldman ?.
From your join date.

KD4UPL

Swoope, VA

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Posted: 05/11/19 07:58pm Link  |  Quote  |  Print  |  Notify Moderator

Golf cart batteries are great for RV house loads. I don't know if anyone makes a 12 volt golf cart battery but I've never seen one or heard of one. If you really have 12 volt golf cart batteries you have something extremely rare.
I strongly suspect they are 6v. It's easy to tell. If there are 3 caps on top they are 6 volt. If there are 6 caps on top they are 12 volt. There are some 8 volt golf cart batteries, these would have 4 caps but shouldn't be used in an RV.

opnspaces

San Diego Ca

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Posted: 05/11/19 09:36pm Link  |  Quote  |  Print  |  Notify Moderator

vjswhippet wrote:

CA Traveler .. I asked him. He says they are 12V he tested them individually


Easiest thing to do is count the water fill caps on each battery. Three caps is a six volt battery. Six caps is a 12 volt battery.


1996 Suburban 4x4. 350, 4.10 3/4 ton
2005 Jayco Jay Flight 27BH
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