... , Competitive Price, Fast responding after-sales services 5 inch Polycrystalline Solar Panel, 170W-190WSeries number: TM170P-72 - TM190P-72Manufacturer: ... under high temperature and low irradiance conditions.72 Back-Contact polycrystalline Si solar cells (approx. 17.5%).ApplicationsCommercial/ industrial building ... ,Low lron,Tempered Glass 4.0mm 5 inch Polycrystalline Solar Panel, 170W-190W