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475Wp
Gokin Review

GK-3-54HGb-475M

Monocrystalline
23.30%
Efficiency
232.7 Wp/m²
Power Density
-0.260%/°C
Temp. Coeff. Pmax chart
422W from 475W
Power after 30 years
  • Efficiency of 23.3% matches the Back Contact 450-500W median
  • At 232.7 W/m² power density, roof space requirements are typical for Back Contact 450-500W panels
  • At -0.26%/°C, hot weather performance is typical for Back Contact 450-500W panels
  • In the top 6% for efficiency among all Back Contact panels
Performance Profile
Price Offers 0
Shop Country Price Price/kWp
Series GK-3-54HGb 7 variants
Efficiency Range 23.0% - 24.5%
Avg. Efficiency 23.77%
Technology Back Contact
Dimensions 1800 × 1134 mm
Show series description

The Gokin GK-3-54HGb solar panel series is an advanced solution based on N-type TOPCon technology, which redefines performance standards in difficult lighting conditions. Thanks to the bifacial glass-glass construction, these modules not only exhibit increased mechanical resistance but, above all, generate additional energy yield from reflected radiation. The problem of rapid power degradation and performance drops at high temperatures is eliminated here through low temperature coefficients and better stability of N-type cells. The use of a bifacial structure makes these panels an ideal choice for ground-mounted installations and modern carports, where every additional kilowatt of energy is crucial for the profitability of the investment. Gokin GK-3-54HGb stands out from the competition with exceptional Dual Glass durability, which significantly extends the system's lifespan and protects the cells against micro-cracks or chemical corrosion. This product is aimed at investors looking for maximum reliability and a quick return on capital in demanding commercial and domestic projects. The aesthetic finish and high power density allow for the efficient use of limited roof space while maintaining the highest technical parameters for decades of operation.

Panels from the same series differ mainly in power output while having identical dimensions. Learn why →
Electrical Parameters (STC)
Nominal Power (Pmax)475 Wp
Module Efficiency23.30%
Voltage at Max Power (Vmpp)33.58 V
Current at Max Power (Impp)14.15 A
Open Circuit Voltage (Voc)40.51 V
Short Circuit Current (Isc)14.93 A
Max System Voltage1500 V
Temperature Coefficients
Temp. Coeff. Pmax-0.260%/°C
Temp. Coeff. Voc-0.220%/°C
Temp. Coeff. Isc0.050%/°C
NOCT45°C
Cell Technology
Cell TypeMonocrystalline
Cell Count108
BifacialNo
Bifaciality Factor-
Dimensions & Weight
Length1800 mm
Width1134 mm
Height30 mm
Weight21.4 kg
Area2.04 m²
Power Density232.7 Wp/m²
Warranty
Product Warranty15 years
Performance Warranty30 years
End-of-Warranty Output88.8%
First Year Degradation1.00%
Annual Degradation0.35%/year
Key Specifications
23.30%
Efficiency
475 Wp
Power
-0.26%/°C
Temp Coeff
30 yrs
Warranty