... EMC Certification 3) 2 years warranty energy, sun solar, photovoltaic, solar photovoltaic, pv, solar panels, solar panel Photovoltaic module is a sunlight power generation ... life and high reliability, and within the service life of 20 years with an output power reduction not exceeding 20 ... for 5 years. Power warranty: Maintain more than 90% of minimum rated power for 10 years. Maintain more than 80 ...