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#21 |
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the pipe master
Trade: plumbing, solar
Join Date: Oct 2008
Location: Central, Fl
Posts: 497
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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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Plumber, Repiping, Replumbing, Leak Detection, Solar Water Heater, Polk County Plumber, Lakeland Plumber, Winter Haven Plumber |
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#22 |
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Pro
Trade: Solar/Electrical
Join Date: Mar 2008
Posts: 150
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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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#23 |
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the pipe master
Trade: plumbing, solar
Join Date: Oct 2008
Location: Central, Fl
Posts: 497
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Re: Solar Panel For Scoreboard
$1.40 a watt?!?!?! holy crap that's cheap.
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Plumber, Repiping, Replumbing, Leak Detection, Solar Water Heater, Polk County Plumber, Lakeland Plumber, Winter Haven Plumber |
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#24 |
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the pipe master
Trade: plumbing, solar
Join Date: Oct 2008
Location: Central, Fl
Posts: 497
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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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Plumber, Repiping, Replumbing, Leak Detection, Solar Water Heater, Polk County Plumber, Lakeland Plumber, Winter Haven Plumber |
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#25 |
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solar guy
Trade: solar contracting
Join Date: Feb 2009
Location: Annapolis Md
Posts: 1,883
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Re: Solar Panel For Scoreboard |
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#26 | |
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solar guy
Trade: solar contracting
Join Date: Feb 2009
Location: Annapolis Md
Posts: 1,883
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Re: Solar Panel For ScoreboardQuote:
Dude where are you buying your panels? I can get panels (not chinese) for half that |
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#27 |
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Pro
Trade: Solar/Electrical
Join Date: Mar 2008
Posts: 150
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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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#28 |
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the pipe master
Trade: plumbing, solar
Join Date: Oct 2008
Location: Central, Fl
Posts: 497
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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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Plumber, Repiping, Replumbing, Leak Detection, Solar Water Heater, Polk County Plumber, Lakeland Plumber, Winter Haven Plumber |
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#29 | |
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solar guy
Trade: solar contracting
Join Date: Feb 2009
Location: Annapolis Md
Posts: 1,883
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Re: Solar Panel For ScoreboardQuote:
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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#30 |
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Registered User
Trade: Solar Scoreboard Manufacturer
Join Date: Apr 2011
Posts: 1
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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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