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320Wp
JA Solar Review

NS-320MH-80

Monocrystalline
Datasheet
22.45%
Efficiency
224.6 Wp/m²
Power Density
-0.290%/°C
Temp. Coeff. Pmax chart
-
Power after 30 years
Smart Insights (data-driven)
  • Efficiency of 22.4% is 0.6pp above the database median (21.8%)
  • At 224.6 W/m² power density, this panel generates 6.9 W/m² more per unit area than database median (217.7 W/m²)
  • At -0.29%/°C, hot weather performance is typical for database panels
  • 15.0 kg weight - 11.5 kg lighter than database median (26.5 kg), reducing installation effort
  • In the top 32% for efficiency among all N-type panels
Performance Profile
Price Offers 0
Shop Country Price Price/kWp
Series Monocrystalline80 8 variants
Efficiency Range 20.1% - 23.1%
Avg. Efficiency 21.49%
Technology -
Dimensions 1295 × 770 mm
Show series description

The JA Solar Monocrystalline 80 series is designed to maximize energy production from a single module, where every square meter of roof or structure counts. The use of monocrystalline cells in an 80-cell configuration helps to better utilize the active surface area, while a refined connection architecture minimizes internal resistance losses. In practice, this translates to higher daily production and more stable operation in installations exposed to variable weather conditions. These modules are designed for robust mechanical durability, which is important on roofs in snowy and windy areas, and the quality of lamination and protection ensures long-term operation without frequent maintenance. Monocrystalline 80 is suitable for both residential and commercial installations, especially where the investor expects low losses under partial shading and predictable performance. Compared to many competing solutions, it stands out for its suitability for dense roof configurations and its emphasis on the real-world efficiency of the module, rather than just its specifications.

Panels from the same series differ mainly in power output while having identical dimensions. Learn why →
Electrical Parameters (STC)
Nominal Power (Pmax)320 Wp
Module Efficiency22.45%
Voltage at Max Power (Vmpp)23.62 V
Current at Max Power (Impp)13.55 A
Open Circuit Voltage (Voc)28.06 V
Short Circuit Current (Isc)14.62 A
Max System Voltage1500 V
Temperature Coefficients
Temp. Coeff. Pmax-0.290%/°C
Temp. Coeff. Voc-0.250%/°C
Temp. Coeff. Isc0.045%/°C
NOCT45°C
Cell Technology
Cell TypeMonocrystalline
Cell Count80
BifacialNo
Bifaciality Factor-
Dimensions & Weight
Length1900 mm
Width750 mm
Height30 mm
Weight15.0 kg
Area1.43 m²
Power Density224.6 Wp/m²
Warranty
Product Warranty15 years
Performance Warranty25 years
End-of-Warranty Output-
First Year Degradation-
Annual Degradation-
Key Specifications
22.45%
Efficiency
320 Wp
Power
-0.29%/°C
Temp Coeff
25 yrs
Warranty
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