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Old 07-25-2014, 02:42 PM   #11
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Both my shore power and solar system have sophisticated charging schemes which would do the job similarly. Since my panels are free standing, I tend to just plug into shore power for maintenance charging. I keep it powered full time. No freezing here, so battery stays put. Electricity usage is probably not a factor during maintenance charge stages. Check electrolyte periodically.
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Old 07-26-2014, 06:32 PM   #12
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I am going to ask a stupid question. Would the solar panel charge the 12v battery when the solar panel is covered by a Carlmart sunbrella trailer cover. In the south the sun is very strong and the heat from the sun can easy penetrate the fabric.

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Old 07-26-2014, 07:30 PM   #13
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I am going to ask a stupid question. Would the solar panel charge the 12v battery when the solar panel is covered by a Carlmart sunbrella trailer cover. In the south the sun is very strong and the heat from the sun can easy penetrate the fabric.

Tonny LR
My understanding is that the photovoltaic process works best in direct sun. The key requirement for the process is LIGHT, not heat. If the panel is covered with a fabric and only partial light can penetrate, it's charging capabilities will be reduced. How much? Depends on the panel and the fabric I suppose.
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Old 07-26-2014, 10:49 PM   #14
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rbryan4,
Thanks for the photovoltaic process information.

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Old 07-26-2014, 11:05 PM   #15
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I am going to ask a stupid question. Would the solar panel charge the 12v battery when the solar panel is covered by a Carlmart sunbrella trailer cover. In the south the sun is very strong and the heat from the sun can easy penetrate the fabric.

Tonny LR
Even a small amount of shadowing cuts the output from panels a great deal. With a panel completely covered with the sunbrella fabric I doubt that you will get any output at all. I have a cover like you are describing and came back from camping today and will cover the trailer in a few days after I wash it. I'll let you know if I get any output from my two panels.

Steve
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Old 07-26-2014, 11:07 PM   #16
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I believe Jon V. posted he was getting some voltage while covered with snow?
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Old 07-26-2014, 11:09 PM   #17
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I believe Jon V. posted he was getting some voltage while covered with snow?
...after how many beers??..
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Old 07-26-2014, 11:16 PM   #18
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The trailer, not Jon himself….
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Old 07-28-2014, 12:06 PM   #19
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I get a very slight charge through my CalCover, but only when the sun shines directly on it.
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Old 07-28-2014, 03:20 PM   #20
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I am also experiencing a small charging from the solar system. The trailer was covered with Carlmart cover on Friday at 6pm, the propane detector is drawing about 0.5 amp and the 12v
battery monitor is showing 13.2. today, Monday.

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