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445Wp
Just Solar Review

JST-EDMH-445W-TD

Monocrystalline
Datasheet
22.79%
Efficiency
227.9 Wp/m²
Power Density
-0.300%/°C
Temp. Coeff. Pmax chart
376W from 445W
Power after 30 years
Smart Insights (data-driven)
  • 22.8% module efficiency - 0.8pp better than the TOPCon 400-450W median of 22.0%
  • At 227.9 W/m² power density, this panel generates 7.7 W/m² more per unit area than TOPCon 400-450W median (220.2 W/m²)
  • At -0.30%/°C, hot weather performance is typical for TOPCon 400-450W panels
  • Weight of 20.5 kg (1.3 kg below TOPCon 400-450W median of 21.8 kg) allows easier transport and roof mounting
  • Ranked #2349 out of 11672 panels for efficiency in the database
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)445 Wp
Module Efficiency22.79%
Voltage at Max Power (Vmpp)32.70 V
Current at Max Power (Impp)13.61 A
Open Circuit Voltage (Voc)38.30 V
Short Circuit Current (Isc)14.12 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 Density227.9 Wp/m²
Warranty
Product Warranty15 years
Performance Warranty30 years
End-of-Warranty Output84.5%
First Year Degradation1.00%
Annual Degradation0.50%/year
Key Specifications
22.79%
Efficiency
445 Wp
Power
-0.30%/°C
Temp Coeff
30 yrs
Warranty
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