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How does LG guarantee the output of its solar panels?

LG provides rigorous quality testing to all solar modules to ensure the rated power output. Our modules have a positive nominal tolerance starting at 0% and going as high as +3%. For example, this guarantees that a new LG 260 Watt module will not deliver a rated output less than 260 Watts.

Below is a typical spread sheet breakdown of the 260W panels and their flash test output in a pallet of new panels. You can see on the sample, our buyers definitely get many more watts than 260W for the majority of our panels.

LG panels output after flash test