Hi guys, i just took delivery of 12 new Canadian Solar - HiKU Poly P5, 430W. They have marks as on the attached pics. The supplier said it won't affect the output. Paid full price from a reputable solar company. I am just concerned. This was their response.

....... I confirm that marks on the panel will insignificantly affect the module's performance. The manufacturer tested and shipped out the modules with those markings. Therefore I can safely confirm that the marks compromise the efficiency of the module won't........ 

What say the power forum gurus

Thank you 

Kieftus

 

R 1857 Plus vat from guys that only sell to installers.... Jhb Co.