... -190W Specifications1).Solar panel:180W-200W 2).Certification:CE,TUV/IEC61215&61730,UL1703/ ... °CCurrent temperature coefficient%/°C0.037Voltage temperature coefficient%/°C -0.34Power temperature coefficient%/°C-0.48NOCT:Nominal Operation Cell Temperature Additional Data Number ... &61730(TUV),UL1703/CSA,MCS,CE,SGSCellsMonocrystalline silicon photovoltaic cell solar panels