... , UL, IEC certified 3. 25 years quality guarantee XINYOU Polycrystalline solar module (200W, 205W, 210W, 215W, 220W, 225W, 230W, 235W, 240W, 245W ... ) --Performance Warranty: 90% power output over 10 Years 80% power output over 25 Years Free from defects in materials ...