Grade B doesn't mean low efficiency. The major difference between Grade A and Grade B is visual defects and potential efficiency degradation over time. For DIY modules and non-commercial
modules, it is a good option because of cost
156mm X 156 mm, high efficiency, grade B solar cell
Effeciency: | 14%~17% |
Max. Power: | 4.1 |
Number of Cells: | 1 |
Size: | 156x156 mm |
Material: | Polycrystalline Silicon |
Model Number: | i-156P |
Brand Name: | ipower! |
Place of Origin: | Jiangsu China (Mainland) |
Material:Polycrystalline Silicon It's only miss priting on front side the other properties is same as A grade ...
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