Good Sam Club Open Roads Forum: Charging battery with Sunforce Solar Controller
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 > Charging battery with Sunforce Solar Controller

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EdTheEdge

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Posted: 01/13/18 09:41am Link  |  Quote  |  Print  |  Notify Moderator

2013 Thor Chateau with a Sunforce 30amp solar controller. Can I use a battery Tender Jr charger to charge my house battery while the controller is connected to the battery?
Thx


HaRVey - 2013 Thor Chateau 22e

Boon Docker

Mountain Foothills of Southern Alberta

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Posted: 01/13/18 10:01am Link  |  Quote  |  Print  |  Notify Moderator

Short answer, yes.

pianotuna

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Posted: 01/13/18 12:04pm Link  |  Quote  |  Print  |  Notify Moderator

Yes, but why if there is solar installed?


Regards, Don
Full Time in 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.

time2roll

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Posted: 01/13/18 12:29pm Link  |  Quote  |  Print  |  Notify Moderator

Yes. You will have no issues with multiple charging sources.
Will that also keep the chassis battery charged?


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EdTheEdge

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Posted: 01/15/18 07:26am Link  |  Quote  |  Print  |  Notify Moderator

Thanks for the info! No it does not also charge the chassis battery. I will be staying in a spot that is mostly covered and only gets 1/2 hour of sunlight a day and will only have access to 120v electrical for a hour or two a day, so I'd like to try and keep my house battery charged as much as possible. Thanks again!

pianotuna

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Posted: 01/15/18 08:03am Link  |  Quote  |  Print  |  Notify Moderator

You may wish to look at a trik-l-start

BFL13

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Posted: 01/15/18 08:12am Link  |  Quote  |  Print  |  Notify Moderator

EdTheEdge wrote:

Thanks for the info! No it does not also charge the chassis battery. I will be staying in a spot that is mostly covered and only gets 1/2 hour of sunlight a day and will only have access to 120v electrical for a hour or two a day, so I'd like to try and keep my house battery charged as much as possible. Thanks again!


When the 120v is available (even if only 15a) you would get more amps to the battery using the Rv's own converter than with the battery tender jr. You also have alternator charging and according to the brochure on that rig, an Onan gen. All of that works ok with the solar still connected.


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EdTheEdge

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Posted: 01/15/18 09:16am Link  |  Quote  |  Print  |  Notify Moderator

BFL13 wrote:

EdTheEdge wrote:

Thanks for the info! No it does not also charge the chassis battery. I will be staying in a spot that is mostly covered and only gets 1/2 hour of sunlight a day and will only have access to 120v electrical for a hour or two a day, so I'd like to try and keep my house battery charged as much as possible. Thanks again!


When the 120v is available (even if only 15a) you would get more amps to the battery using the Rv's own converter than with the battery tender jr. You also have alternator charging and according to the brochure on that rig, an Onan gen. All of that works ok with the solar still connected.


To be honest I wasn't thinking about getting a better charge with the 120v.... I also won't be able to use the engine or the generator during my short stay.

pianotuna

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Posted: 01/15/18 03:26pm Link  |  Quote  |  Print  |  Notify Moderator

With 2 hours per day you do NOT want a battery tender. Use the converter, or use the biggest meanest battery charger you can find.

EdTheEdge

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Posted: 01/16/18 11:09am Link  |  Quote  |  Print  |  Notify Moderator

pianotuna wrote:

With 2 hours per day you do NOT want a battery tender. Use the converter, or use the biggest meanest battery charger you can find.


ATM I only have a Battery Tender Jr.... I will use the available 120v to charge the house battery while I am there. Sometime in the future I will get a better charger.

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