Module SN78-18X(ND)-F(Bifaciality 80±10%)  
Maximum Power483W488W492W494.5W489.4W
Open -Circuit Voltage(Voc)53.37V53.40V53.43V53.46V53.49V
Short-Circuit Current(lsc)11.58A11.64A11.70A11.76A11.82A
Optimum Operating Voltage(Vmp)44.10V44.21V44.32V44.43V44.54V
Optimum Operating Current(lmp)10.95A11.01A11.07A11.13A11.19A
NMOT45±2℃
Iradiance 800W/m²,ambient temperature 20℃,wind speed 1m/s 

Electrical Characteristics

ModuleSN78-18X(ND)-F 
Maximum Power at STC(Pmax)635W640W645W650W655W 
Open-Circuit Voltage(Voc)55.98V56.12V56.26V56.40V56.54V 
Short-Circuit Current (Isc)14.43A14.51A14.59A14.67A14.75A 
Optimum Operating Voltage(Vmp)46.41V46.57V46.71V46.86V47.00V 
Optimum Operating Current(Imp)13.68A13.75A13.82A13.89A13.95A 
Module efficiency22.7%22.9%23.1%23.3%23.5% 
Power Tolerance0~+5% 
Maximum System Voltage  1500V DC(UL/IEC) 
Maximum Series Fuse Rating25A 
Operating Temperature-40 Cto +85℃ 
“STC:Irradiance 1000W/m²,module temperature 25,AM=1.5   
Optional black frame or white frame module according to customer requiements
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