diy solar

diy solar

Partial shade of a few cells and lifespan for the entire panel in the string

dianea

New Member
Joined
Mar 6, 2022
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60
I observe a massive reduction in power if only a few cells in a string are shaded. If this happens every day, can I expect the affected cells to degrade faster and possibly burn out due to effectively being very resistive?
 
Agree that even a small amount of shading on part of a panel will kill the output of that series. As far as affecting life span - haven't observed that in my own setup (some strings get shade daily and some don't) nor read this nor seen it mentioned as a qualifier in output warranties.
Maybe someone with expert knowledge will share :)
 
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