Are JA Solar’s solar panels any good?Efficiency Taken as a whole, JA solar panels have an average efficiency of 21.78%. This is more than the industry average of 20%, and not far off the 22% efficiency that top-tier solar panels operate at. . Power In terms of power, JA solar panels are on the higher end of the scale. . Warranty Product warranty is JA solar panels’ weakest point. .
[pdf] Are JA Solar’s solar panels any good?Efficiency Taken as a whole, JA solar panels have an average efficiency of 21.78%. This is more than the industry average of 20%, and not far off the 22% efficiency that top-tier solar panels operate at. . Power In terms of power, JA solar panels are on the higher end of the scale. . Warranty Product warranty is JA solar panels’ weakest point. .
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