Electrical Specifications：
*STC : lrradiance 1000w/ m2,AM1.5 spectrum, module temperature 25℃
Peak power (Pmax):420w
Cell Efficiency: 21.43%
Maximum power voltage (Vmp): 38.50V
Maximum power current (lmp): 10.91A
Open circuit voltage (Voc): 45.5V
Short circuit current (lsc): 11.56A
Power Tolerance: +3%
Maximum system voltage: 1000v
Series fuse rating (A): 12
Number of bypass diode: 1
Temperature Coefficients:
Current Temperature Coefficient  α (lsc): 0.08%/℃
Voltage Temperature Coefficient  β (Voc): -0.32%/℃
Power Temperature Coefficient: -0.38%/℃
Nominal Temperature Of  Cells(NOTC): 46+2℃
Application Temperature Range: -40~+80℃

Mechanical Characteristics:
Dimensions: 1719 x 1140x 35mm
weight: 21kg
Solar Cells: 72 cells in series(6 x 12)
Construction: High-transmission low-iron tempered
glass , EVA,TPT/TPE
Frame: Anodized aluminum is mainly for improvingcorrosion resistance. Color: silver
Warranty:
5 years Manufacturer WarrantyWarranty on Electrical Performance: 10 years 90%+ 25 years 80% of power output.