To protect the surface of the solar cells, folded solar panels are often protected with special coatings (e.g., ETFE coatings) to increase their level of protection (e.g., up to an IP67 rating) for a longer service life.
Our maximum power folding solar panel is 400w, using high-efficiency monocrystalline silicon cells, the conversion efficiency can be up to 22% or more!
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