... price for best quality We can offer solar controller also have portable solar panel with handle . Specificationssolar panel roof brackets for slope ... and flat roof .1).Solar panel:180W-200W 2).Certification:CE,TUV/IEC61215&61730,UL1703 ... &61730(TUV),UL1703/CSA,MCS,CE,SGSCellsMonocrystalline silicon photovoltaic cell solar panel roof brackets