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I can get this 435 watt panel for $100 new but I dont understand why it says output voltage 72.9v . What kind of panel is this and why doesnt it say 12 v instead. I think SunPower makes it. Is it 6-12 vdc batteries in series to be charged? I tried 1 hour to sort this all out before asking you folks but no luck.
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Actually you saw it for $1.09 a watt online
No warranty Sunpower only warrants ones installed by authorized dealers.
The emails have been flying about this today.
That is a 128 cell panel.
Voltage would be correct. It is designed for a grid tie installation but could be used for off grid with an mppt controller.NABCEP certified Technical Sales Professional
[URL="http://www.solarpaneltalk.com/showthread.php?5334-Solar-Off-Grid-Battery-Design"]http://www.solarpaneltalk.com/showth...Battery-Design[/URL]
[URL]http://www.calculator.net/voltage-drop-calculator.html[/URL] (Voltage drop Calculator among others)
[URL="http://www.gaisma.com"]www.gaisma.com[/URL]
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