1).Solar panel:250W 2).Certification:TUV,UL1703,CSA,KAS,CE,RoHS, ISO90012008 3).Monocrystalline High efficiencyCE, TUV junction boxLifetime:25yearsWarranty:2years90% power 10 ... /m2 Cell temperature:25°C250w solar panel mono crystalline silicon solar module for PV home system 250w solar panel mono crystalline silicon solar module for PV home system