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450Wp
Just Solar Review

JST-EDMH-450W-TD

Monocrystalline
Datasheet
23.05%
Efficiency
230.4 Wp/m²
Power Density
-0.300%/°C
Temp. Coeff. Pmax chart
380W from 450W
Power after 30 years
Smart Insights (data-driven)
  • At 23.1% efficiency, this panel is 0.5pp above typical TOPCon 450-500W modules (median: 22.5%)
  • At 230.4 W/m² power density, this panel generates 5.2 W/m² more per unit area than TOPCon 450-500W median (225.2 W/m²)
  • Temperature coefficient of -0.30%/°C matches the TOPCon 450-500W median
  • At 20.5 kg, this panel is 3.5 kg lighter than TOPCon 450-500W median (24.0 kg) - easier handling during installation
  • In the top 11% for efficiency among all TOPCon panels
Performance Profile
Price Offers 0
Shop Country Price Price/kWp
Series JST-EDMH-(445-465)W-TD 10 variants
Efficiency Range 22.8% - 23.8%
Avg. Efficiency 23.30%
Technology TOPCon
Dimensions 1722 × 1134 mm
Show series description

The Just Solar JST-EDMH-(445-465)W-TD series consists of monocrystalline modules designed to maximize energy production from limited roof or ground-mounted areas. The use of N-type TOPCon cells helps minimize losses over time and maintain high efficiency even after years of operation, which significantly improves the cost-effectiveness of the installation. The half-cell design provides stability under partial shading and reduces the risk of power drops in typical roof conditions (chimneys, skylights, antennas). Another key feature is 16BB (SMBB) technology, which improves current collection and enhances performance in practice, especially under uneven sunlight. The manufacturer emphasizes PID resistance, which makes it easier to maintain parameters in high-voltage systems. This is a good choice for installers and investors looking for panels for homes, small businesses, and commercial projects where predictable output, durability, and stable operation in challenging environments are important.

Panels from the same series differ mainly in power output while having identical dimensions. Learn why →
Electrical Parameters (STC)
Nominal Power (Pmax)450 Wp
Module Efficiency23.05%
Voltage at Max Power (Vmpp)32.90 V
Current at Max Power (Impp)13.68 A
Open Circuit Voltage (Voc)38.50 V
Short Circuit Current (Isc)14.19 A
Max System Voltage1500 V
Temperature Coefficients
Temp. Coeff. Pmax-0.300%/°C
Temp. Coeff. Voc-0.250%/°C
Temp. Coeff. Isc0.046%/°C
NOCT44°C
Cell Technology
Cell TypeMonocrystalline
Cell Count108
BifacialNo
Bifaciality Factor-
Dimensions & Weight
Length1722 mm
Width1134 mm
Height30 mm
Weight20.5 kg
Area1.95 m²
Power Density230.4 Wp/m²
Warranty
Product Warranty15 years
Performance Warranty30 years
End-of-Warranty Output84.5%
First Year Degradation1.00%
Annual Degradation0.50%/year
Key Specifications
23.05%
Efficiency
450 Wp
Power
-0.30%/°C
Temp Coeff
30 yrs
Warranty
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