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time2roll

Southern California

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Posted: 08/26/19 04:17pm Link  |  Quote  |  Print  |  Notify Moderator

D.E.Bishop wrote:

I guess I already know all I need to know about solar. The sun shines, the panels collect the energy and the wires transmit it to the batteries.
Actually that is about it. Insert a controller and you are good to go.


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Lwiddis

Mono Basin National Forest Scenic Area

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Posted: 08/26/19 04:46pm Link  |  Quote  |  Print  |  Notify Moderator

Fifteen watts won’t charge anything. It might maintain your battery. Solar installation is pretty easy...except the wiring from the roof panels to the controller to the batteries but I did it. So can you. Use a larger wire than your calculations indicate is necessary.

* This post was edited 08/26/19 04:53pm by Lwiddis *


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pianotuna

Regina, SK, Canada

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Posted: 08/26/19 04:46pm Link  |  Quote  |  Print  |  Notify Moderator

D.E. Bishop,

Do an energy audit. From that determine the size of battery bank. Then design a system that will recharge the bank while running the parasitic loads.

Or--you can just slap on 600 watts of panels--which will handle almost all loads except for running the roof air conditioner.


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.

Lwiddis

Mono Basin National Forest Scenic Area

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Posted: 08/26/19 04:56pm Link  |  Quote  |  Print  |  Notify Moderator

I “slapped” 300. I wish I’d slapped 500 which would have fit.

2oldman

New Mexico

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Posted: 08/26/19 05:57pm Link  |  Quote  |  Print  |  Notify Moderator

D.E.Bishop wrote:

By the way I'm 79 years old and I have been retired for 24+ years, longer than most of you have been members or even smart allecks.

I'll just seek some pros for help.
I'm not quite sure what to make of these comments.

azdryheat

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Posted: 08/26/19 06:55pm Link  |  Quote  |  Print  |  Notify Moderator

I did a Google search for DIY solar books and found a couple of dozen books including one from the 'For Dummies' folks.


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Bobby F

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Posted: 08/26/19 08:54pm Link  |  Quote  |  Print  |  Notify Moderator

Strongly recommend the Will Prowse book already shown above, plus any of his Youtube videos found here - https://www.youtube.com/user/errolprowse/videos .

Knows his stuff, communicates it well, aims many of his lessons at beginners. Plus, he's enthusiastic, which makes him fun to watch.

CA Traveler

The Western States

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Posted: 08/26/19 09:56pm Link  |  Quote  |  Print  |  Notify Moderator

pianotuna wrote:

D.E. Bishop,

Do an energy audit. From that determine the size of battery bank. Then design a system that will recharge the bank while running the parasitic loads.

Or--you can just slap on 600 watts of panels--which will handle almost all loads except for running the roof air conditioner.
My first solar purchase was a battery monitor so I could better understand my power requirements and I did not want the add one update/improvement at a time approach and I did not want to be on the roof tilting panels.

Next was the roof layout with different sized solar panels and the effect of evil producing shadows from roof appliances like A/Cs. While this led to a variety of options I decided on 3X 250W panels raised 6" above the roof and some roof items. Anytime the sun is above 10 degree elevation no shadows and with some rig orientations no shadows on the panels period.

While I have an electrical background I had no prior solar experience. Research provided the information I wanted.

Holding up your credit card is a good option if and only if it's a good and knowledgable installer and to many are not.


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philh

Belleville MI

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Posted: 08/27/19 12:25pm Link  |  Quote  |  Print  |  Notify Moderator

D.E.Bishop wrote:

I don't know squat about solar systems and the equipment involved in RVs.

I guess I already know all I need to know about solar. The sun shines, the panels collect the energy and the wires transmit it to the batteries.

It really is that simple.

Determine how much money you're willing to spend, that will lead you to number of watts available to charge your batteries. Like everything else in life, cheapest is usually not best quality, but neither is most expensive.

TomG2

Central Illinois

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Posted: 08/27/19 01:24pm Link  |  Quote  |  Print  |  Notify Moderator

I like to "Learn by doing". A couple of hundred dollars (or less) will get a usable basic kit which will let you learn about the fun of solar and economic choices. I am not smart enough to get such things perfect the first try. I enjoy the trying and learning. There are too many variables including cost, limitations, intended use, storage capacity, etc. for the one size fits all option. I would be bored to death if I paid an "expert" to set me up.

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