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Direct Link To This Post Topic: Solar question
    Posted: 16 Aug 2019 at 4:29pm
I use a couple of these or the equivalent, there are multiple sources. i can clamp them to the valances in front of the open windows where we want them and the oscillation is nice. You will need a cigarette lighter adapter somewhere convenient, but you can get both wye two from one adapters and extension cords in the 12V lighter plug format for flexibility. 

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Direct Link To This Post Posted: 16 Aug 2019 at 1:08pm
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Direct Link To This Post Posted: 07 Aug 2019 at 8:19am
Originally posted by Babysaph

So does the 12v solar fan just plug into an outlet in the camper?


Yes, you can always add more 12v outlets or even change over to a different type.

This is the fan we use:

https://www.amazon.ca/Fan-Tastic-Vent-01100WH-Endless-Breeze/dp/B0000AY2Z6

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Direct Link To This Post Posted: 02 Aug 2019 at 3:00pm
I just installed a lighter socket and tied it into the 12v supply for the stereo. If you get one with USB ports you can add those at the same time for mobile device charging.
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Direct Link To This Post Posted: 02 Aug 2019 at 10:14am
I've noticed all of the 12v fans have cigarette lighter hookups
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Direct Link To This Post Posted: 02 Aug 2019 at 10:07am
So does the 12v solar fan just plug into an outlet in the camper?
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Direct Link To This Post Posted: 02 Aug 2019 at 9:50am
Thanks all!!!
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Direct Link To This Post Posted: 01 Aug 2019 at 7:07am
I do the same with my fans in warm weather.  That roughly triples the energy demand vs not running them, so 250-300 watts of solar is just about right if you want to run your fans like that indefinitely on a long boondock trip. 

But also consider that you can get through a day or two on just the dual batteries so if your boondocking periods are short you don't need that much solar for recharging. So for someone just starting on solar a 100-150 watt portable kit is a good way to go, its simple to install and use.  They can always add a roof mount or a second portable kit later. 
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Direct Link To This Post Posted: 01 Aug 2019 at 6:45am
Most of us are going to add another battery(or more) to our rigs when utilizing solar. A single 12v will not make it all night when running the furnace and may or may not when just running a 12v fan.

I would at the minimum add another 12v, or even better is to ditch the 12v and go with 2 6v golf cart type batteries. To charge 2 batteries a 100 watt panel would be adequate in full sun, but would struggle on overcast days.

Decide how much boondocking you are going to do, then size a solar system that can easily handle that load. For us, we want to be able to run the Fantastic fan in the bathroom to pull cool sir into the camper. Then we have aportable 12v fan that we direct on us while sleeping. On most nights, this is more than enough to keep us comfortable.

To do that, I removed the factory 12v battery, added a double battery box and 2- 6 volts. I then put a 160 watt panel on the roof with a Renogy charge controller(it's a smart charger).
After this trip, I will add at least another 100 watts of solar Wich will keep those batteries topped off easily.
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Direct Link To This Post Posted: 01 Aug 2019 at 4:13am
Originally posted by Tars Tarkas

Maybe I'm being too nerdy, and this  may not be perfectly true, but you can't run anything with solar.  Solar is to keep your battery charged.  Everything that runs on 12v will continue to work from the battery and will work longer because of the solar, but without a battery in the equation you won't be able to do much at all.

TT

True enough for our purposes. There are direct solar powered fans and water pumps but they aren't really practical for camping. And at the risk of stating the obvious you aren't going to be able to run anything at night directly from a solar module.  Even the large grid tied solar systems don't work without somewhere to store the energy, in that case the utility company in effect stores it on their grid for you.

So when I said that a 100 watt solar module will run typical light duty loads in your trailer if you're careful, that means that it will maintain the charge of your battery during a multi day boondocking trip. I would still advise having a backup fuel based battery charging source available for cloudy weather, that might just be tow vehicle charging if its usually sunny where you camp. 
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