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280Wp
JA Solar Review

NS-280MH-72

Monocrystalline
21.76%
Efficiency
217.7 Wp/m²
Power Density
-0.290%/°C
Temp. Coeff. Pmax chart
-
Power after 30 years
  • At 21.8% efficiency, this panel is on par with typical database modules
  • Power density of 217.7 W/m² matches the database median
  • At -0.29%/°C, hot weather performance is typical for database panels
  • 12.5 kg weight - 14.0 kg lighter than database median (26.5 kg), reducing installation effort
  • Ranked #6056 out of 11891 panels for efficiency in the database
Performance Profile
Price Offers 0
Shop Country Price Price/kWp
Series Monocrystalline72 5 variants
Efficiency Range 20.2% - 23.3%
Avg. Efficiency 21.76%
Technology -
Dimensions 1715 × 750 mm
Show series description

The JA Solar Monocrystalline 72 series comprises large-format modules designed for installations where maximizing power output from each section of the roof or ground is crucial. The use of PERC monocrystalline cells ensures high efficiency in real-world conditions, while the half-cut design helps minimize losses and improves performance under partial shading, which is often a key factor in installations with obstructions like roof structures. Another key feature is the multi-busbar architecture, which supports more stable current transport and better performance under weaker sunlight. In practice, this series addresses common issues faced by C&I investors: it reduces the risk of localized overheating and enhances resistance to mechanical loads, which is particularly important for installations exposed to wind and snow. Monocrystalline 72 is suitable for both PV farms and rooftop installations on warehouses, factories, and other buildings, where lower operating losses and predictable performance over many years are the priority. With its carefully designed mounting details and robust IP68 junction box, this series is not just a catalog option, but a practical and reliable choice.

Panels from the same series differ mainly in power output while having identical dimensions. Learn why →
Electrical Parameters (STC)
Nominal Power (Pmax)280 Wp
Module Efficiency21.76%
Voltage at Max Power (Vmpp)19.12 V
Current at Max Power (Impp)14.65 A
Open Circuit Voltage (Voc)23.08 V
Short Circuit Current (Isc)15.35 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 Count72
BifacialNo
Bifaciality Factor-
Dimensions & Weight
Length1715 mm
Width750 mm
Height30 mm
Weight12.5 kg
Area1.29 m²
Power Density217.7 Wp/m²
Warranty
Product Warranty15 years
Performance Warranty25 years
End-of-Warranty Output-
First Year Degradation-
Annual Degradation-
Key Specifications
21.76%
Efficiency
280 Wp
Power
-0.29%/°C
Temp Coeff
25 yrs
Warranty