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Module Efficiency: 13.8
CIGS thin film solar panel has the highest efficiency amoung the thin film solar panels. CIGS solar panel is also the highest efficiency solar panel under the shade compared to mono crystalline and poly crystalline. Only this model of solar panel able to perform under shady area. This model of thin film panel is half the weight of the normal thin film panel. Able to put 2pcs of this solar panel on the lamp pole approved by PE. Product from Taiwan TSMC Solar. The CIGS solar panel has to use together with a MPPT solar charge controller.
Copper indium gallium selenide (CuInxGa1-xSe2 or CIGS) is a direct bandgap semiconductor useful for the manufacture of solar cells. The CIGS absorber is deposited on a glass or plastic backing, along with electrodes on the front and back to collect current. Because the material has a high absorption coefficient and strongly absorbs sunlight, a much thinner film is required than of other semiconductor materials.