... polycrystalline solar panel 200w 1) Power from 10 to 300W 2) High efficiency 15% 3) CE,MCS,TUV,UL,CEC 4) OEM/ODM High ... has a high optical transmittance and decrease in light reflection, improve the conversion efficiency of photovoltaic modules.4. ... characteristics of monocrystalline silicon solar cell series parallel, with high strength and low iron tempered glass, high performance anti aging EVA, ...