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Polycrystalline Solar Panel

3W Polycrystalline Solar Panel

3W Polycrystalline Solar Panel

Product: 3W Polycrystalline Solar Panel

Panel Cell: Polycrystalline Silicon

Rated Power Output: 3W

Voltage: 12V

Current: 0.25A

Certificate: CE, RoHS, ISO

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Product Details

Polycrystalline solar panels are also made from silicon. However, instead of using a single crystal of silicon, manufacturers melt many fragments of silicon together to form the wafers for the panel. Polycrystalline solar panels are also referred to as “multi-crystalline,” or many-crystal silicon.


Package Of 3W Polycrystalline Solar Panel

Carton Package and Wooden Package

Number of Cell: 18Pcs

Size: 235*195*17mm

 


The first solar panels based on polycrystalline silicon, which also is known as polysilicon (p-Si) and multi-crystalline silicon (mc-Si), were introduced to the market in 1981. Unlike monocrystalline-based solar panels, polycrystalline solar panels do not require the Czochralski process. Raw silicon is melted and poured into a square mold, which is cooled and cut into perfectly square wafers.


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