Solar Panel For Scoreboard

 
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Old 02-04-2010, 11:59 PM   #21
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Re: Solar Panel For Scoreboard


Ok, now add terminals and add blocking diodes and add bypass diodes. Then laminate the whole thing in a material shedding, anti reflactive EVA shell. Now get it UL listed and your there dude

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This is for saveonsolar

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Old 02-05-2010, 12:26 AM   #22
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Re: Solar Panel For Scoreboard


Perhaps. It depends on the equipment. For this project I'd probably use some amorphous panels and I can get 60W panels for $84 each. The inverter and charge controller are another couple hundred or so, I don't know off hand. I generally just do houses, though I have done a panel for charging tool batteries on my truck (125 watt panel - charge controller - 12v battery - little inverter - probably $300 total and has worked fine for about 2 years) and I just did about 400 Watts and a charge controller to help keep a boat's battery banks charged and that cost about $1200, but those were better solar panels.
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Old 02-05-2010, 10:46 PM   #23
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Re: Solar Panel For Scoreboard


$1.40 a watt?!?!?! holy crap that's cheap.
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Old 02-05-2010, 10:49 PM   #24
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Re: Solar Panel For Scoreboard


I was thinking 300 watts of panel(at $4.50 a watt), 6 deep cycle batteries, temperature compensating charge controller and small inverter plus mounting hardware conductors and conduit.

Remember, I said as reliable as grid power. Not "just big enough to work 90% of the time."
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Old 02-05-2010, 10:52 PM   #25
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Re: Solar Panel For Scoreboard


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$1.40 a watt?!?!?! holy crap that's cheap.
thin film not hard crystal is why
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Old 02-05-2010, 11:00 PM   #26
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Re: Solar Panel For Scoreboard


Quote:
Originally Posted by protechplumbing View Post
I was thinking 300 watts of panel(at $4.50 a watt), 6 deep cycle batteries, temperature compensating charge controller and small inverter plus mounting hardware conductors and conduit.

Remember, I said as reliable as grid power. Not "just big enough to work 90% of the time."
$4.50 a Watt?
Dude where are you buying your panels?
I can get panels (not chinese) for half that
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Old 02-06-2010, 12:37 AM   #27
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Re: Solar Panel For Scoreboard


2 years ago crystalline panels were $4.50/watt, so I think it's just slightly old info.

Yeah, the $1.40/Watt panels are amorphous. Last month sunelec.com was having a sale for $.98/Watt.
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Old 02-06-2010, 07:00 PM   #28
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Re: Solar Panel For Scoreboard


Wow, prices must have really crashed then(not that I'm complaining)
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Old 02-06-2010, 08:13 PM   #29
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Re: Solar Panel For Scoreboard


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Wow, prices must have really crashed then(not that I'm complaining)
Been a while huh?
Pricing has come down for me almost 30% in the last 6 months. some of that has been vetting suppliers Major dumping of silicon going on. I suspect we may be reaching the bottom however.
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Old 04-27-2011, 02:50 AM   #30
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Re: Solar Panel For Scoreboard


Instead of trying to convert a small AC scoreboard to solar, why not just buy a proper solar scoreboard with wireless control.

John

Last edited by Tinstaafl; 04-27-2011 at 06:54 AM. Reason: Remove self promotion
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