... , UL, IEC certified 3. 25 years quality guarantee XINYOU Polycrystalline solar module (200W, 205W, 210W, 215W, 220W, 225W, 230W, 235W, 240W, 245W ... --Qualification testTemperature cycling range: -40°C to 85°C for 200 cyclesDamp heat test: 85°C and 85°C relative humidity ...