STC: Irrdiance 1000W/m2, Cell Temperature 25oC, Air Mass AM1.5. NOCT: Irradiance at 800W/m , Ambient Temperature 20°C, Wind Speed 1m/s. *Measuring tolerance: ±3%. ed connector. Power Bifaciality:80±5%. CAUTION: READ SAFETY AND INSTALLATION INSTRUCTIONS BEFORE USING THE PRODUCT. 2024 Trina Solar Co.,Ltd. All rights reserved.