250W photovoltaic solar panel, with IEC, TUV, CE certification. High effiency, high safety 250W photovoltaic solar panelManufactured in an ISO 9001:2008 Cartified Plant, ... output at high-temperature condition· High efficient, high reliable solar cells ensure our product output stability MATERIALS· Advanced EVA ... 5-year limited warranty on materials and workmanship 250W photovoltaic solar panel