Comment Re:perovskite sucks (Score 4, Interesting) 42
https://www.photoncrystal.com/... gives a 10 year warranty on workmanship defects, and a 25 year warranty on the rated output (no lower than 85% of the initial output after 25 years). They give less warranty about how the curve looks than e.g. this company for traditional panels, but other than that it seems pretty comparable.