1, Solar panel 280W poly 2, High effiency over 15.5% effiecey. 3,ISO9001,CE, TUV certificate. 280W poly Solar panelMax power280WOpen circuit voltage43.2VShort circuit current8.55AMax power voltage36.0VMax power current7.85ATolerance Wattage±3% Max systerm voltage1000V Temperature range-40°C --+85°C 280W solar panel poly