Description Overview Power range: 530 to 555 W Maximum efficiency: 21.48% Yearly degradation: 0.55% Dimensions Dimensions of PV module (mm) Electrical Characteristics (STC) Nominal power watt Pmax (W): 550 Maximum power voltage Vmp (V): 41.80 Maximum power current Imp (A): 13.16 Open circuit voltage Voc (V): 50.10 Short circuit current Isc (A): 13.90 Module efficiency: 21.28% SpecificationsDimensions: 2279x1134x35mmJunction box: IP 68, 3 diodesCells orientation: 144 (6x24)