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Solar power---How much?

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Solar power---How much?

Unread postby LA_Bolt_Fan on Tue Mar 25, 2008 11:16 pm

I don't have a lot of $$ to spend on solar, but I really don't need much. Do any of you know if I put 2 or 3 of these http://www.campingworld.com/browse/skus/index.cfm?skunum=31282 15w panels on the TT, if they will charge 2 12v batteries during the day? Keep in mind that I am in Southern California and we get ALOT of sun year round. I think I will also need the 7A charge controller or :?: . I am hoping that these will work for us.
Thanks in advance for your valued input!

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Re: Solar power---How much?

Unread postby Justardnck on Wed Mar 26, 2008 8:48 am

I have one on the roof of mine, it was there from the previous owner so I don't know how much it cost or even what the wattage is. I do know it's a little bigger than the one you show but mine has a whole solar management system in the TT to go with it (I think called Solar Pro). I will say it works very well, it can charge my batter from near dead to full charge with one day of sun.

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Re: Solar power---How much?

Unread postby skipnchar on Wed Mar 26, 2008 10:39 am

You know even if you put up some panels that didn't COMPLETELY provide for your needs it would certainly cut down on the generator time. Most of the folks I know who use solar for charging ALSO have a generator for those times when there is heavy overcast for several days.

Justardnck, does your panel tilt upward or remain flat when in use?
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Re: Solar power---How much?

Unread postby Justardnck on Wed Mar 26, 2008 11:56 am

skipnchar wrote:
Justardnck, does your panel tilt upward or remain flat when in use?

It's mounted flat permanently
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Re: Solar power---How much?

Unread postby PrivatePilot on Fri Mar 28, 2008 11:44 pm

The results of solar really vary greatly depending on your electricity usage patterns. I know one guy I used to work with who had 6 *huge* panels on the roof of his 5er and was still not happy with the result.

Trouble was he had 4 golf cart batteries he was trying to charge, which in turn had a huge 3000watt inverter hooked up to them subsequently powering the entire 120v system in the trailer. He generously ran everything short of his A/C every day (coffee maker, bigscreen TV, tons of lights, etc) and just assumed that the solar would be enough to maintain the batteries on a daily basis. The results were not what he expected.

If you are on the opposite end of the scale however and realize that solar isn't the same as a generator and realize it's limits, I think it would be a great supplement for long term boondocking, or at least keeping your batteries charged up while your RV is idle.
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Re: Solar power---How much?

Unread postby Fire Instructor on Sat Mar 29, 2008 8:04 am

When we camp at Asseteague, there are inevitably folks around the CG with solar panels up, taking advantage of that hot, all day sun to keep thier batteries charged.... I've thought about it, and it "on the list" but either it never climbs high enough up on the list, or the discretionary $$$ never extend far enough down on the list. I did buy a Yamaha 2400 last year for boondocking & NA$CAR camping, though... and since I used it working a few times, it made the perfect tax write-off!
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Re: Solar power---How much?

Unread postby The Wood Tinker on Thu Apr 10, 2008 2:12 am

I need to look into this. Sounds great. 8-)
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