This question is part of the Super Big Solar Panel FAQ from Solar Mango, where expert answers to over 100 important questions on solar panels are provided.
Tough.
It is indeed tough to choose between the top international solar panel brands.
But use the following in a suitable manner:
Efficiency
Performance under low light temperatures
Temperature coefficient
Performance warranty being offered – standard or linear?
Grade of the solar panel
And after the comparisons, if more than one brand scores well on all the above, why indeed, go for the one offering the lowest price!
Super Big Solar Panel FAQ – Get to know answers to over 100 important questions on solar panels from here.
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