B grade chipped or damaged solar cells function just as well as entire types. You might free a several watts in general, but they function and they are low cost.
I received 600 watts well worth of damaged cells for $fifty on-line in an auction. They are all fifty percent cells, but function fantastic. Just tape them with each other and make your solar panels. My sixty five watt panel demonstrated in this article cost $14.ninety five for the cells.
The plexiglas for the go over is the most expensive aspect of the solar panels, at about $22 for a 2×4 sheet.
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Make your possess low cost solar panels.
Post time: Jan-15-2017