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Cells with a high cosmetic quality have slight color variations on the front side. After laminating, the color of the solar cells has a dark appearance even with a black background. Cells with a moderate cosmetic quality have some color variations on the front side. After laminating, the color variations on the cells became less obvious but are often still visible when inspected from short distances.
PV solar panels are like puzzles made of tiny solar cells, enclosed in glass. These cells are made of silicon, a bit like computer chips. They have a positive part and a negative part that work together to make electricity, kind of like a battery. SunPower solar panels also have special adhesives and coatings to protect these cells and keep them working well even in different weather conditions.
SunPower® Performance solar panels use high efficiency mono PERC cells, while Maxeon panels use SunPower's proprietary back contact technology developed for our Maxeon panels.