GCL Solar 620 Wp Panel; NT12R/66GDF-620Wp Bifacial Dual Glass Monocrystalline Module (720)

The GCL Solar 620 Wp Panel; NT12R/66GDF-620Wp Bifacial Dual Glass Monocrystalline Module (720) is designed for dependable, long-term energy generation. Delivering a maximum power output of 620W, it offers excellent performance supported by precise electrical characteristics, including Vmp 40.93V, Imp 15.15A, Voc 48.40V, Isc 15.95A, and a superior 22.95% module efficiency. Its bifacial architecture increases total energy yield by capturing rear-side irradiance, while advanced non-destructive cutting and large 210mm wafers enhance reliability and reduce micro-crack risks. Built to withstand harsh environments with certified resistance to PID, salt mist, ammonia, and sand, the module ensures stable field performance backed by a 0~+5W positive tolerance. With a 12-year product warranty and a 30-year linear power guarantee featuring only 0.40% annual degradation, this module is a robust choice for utility-scale and large ground-mounted solar installations.