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500Wp
Longi Solar Review

LR7-54HJD-500M

MonocrystallineBifacial
24.50%
Efficiency
245.0 Wp/m²
Power Density
-0.240%/°C
Temp. Coeff. Pmax chart
444W from 500W
Power after 30 years
  • At 24.5% efficiency, this panel is 0.6pp above typical Back Contact 500-550W modules (median: 23.9%)
  • At 244.9 W/m² power density, this panel generates 5.6 W/m² more per unit area than Back Contact 500-550W median (239.3 W/m²)
  • At -0.24%/°C (vs median -0.26%/°C), loses ~1% less power in hot conditions
  • Ranked #54 out of 11672 panels for efficiency in the database
Performance Profile
Price Offers 0
Shop Country Price Price/kWp
Series EcoLife LR7-54HJD 4 variants
Efficiency Range 24.3% - 25.0%
Avg. Efficiency 24.62%
Technology Back Contact
Dimensions 1800 × 1134 mm
Show series description

The Longi Solar EcoLife LR7-54HJD series represents a technological leap forward in the field of N-type modules, utilizing innovative cell architecture to maximize energy yields in real-world weather conditions. It solves the problem of limited performance on cloudy days by offering outstanding efficiency in diffused light, which in Polish latitudes translates to higher yields in autumn and winter. Thanks to high cell packing density, these panels allow for the optimal use of roofs with complex geometry, delivering more power from every square meter of the installation. What sets this series apart from the competition is its above-average resistance to light-induced degradation and time, which guarantees long-term financial stability for the investment. The product is dedicated especially to demanding home users and companies for whom excellent thermal performance is key, allowing high operating parameters to be maintained even on hot days. The EcoLife line focuses on ecology, offering a reduced carbon footprint of the production process, making it one of the most environmentally friendly solutions on the market. By choosing these modules, investors receive a guarantee of reliability based on advanced materials engineering, which sets new standards for durability in the photovoltaic sector.

Panels from the same series differ mainly in power output while having identical dimensions. Learn why →
Electrical Parameters (STC)
Nominal Power (Pmax)500 Wp
Module Efficiency24.50%
Voltage at Max Power (Vmpp)34.17 V
Current at Max Power (Impp)14.63 A
Open Circuit Voltage (Voc)41.35 V
Short Circuit Current (Isc)15.30 A
Max System Voltage1500 V
Temperature Coefficients
Temp. Coeff. Pmax-0.240%/°C
Temp. Coeff. Voc-0.210%/°C
Temp. Coeff. Isc0.050%/°C
NOCT45°C
Cell Technology
Cell TypeMonocrystalline
Cell Count108
BifacialYes
Bifaciality Factor-
Dimensions & Weight
Length1800 mm
Width1134 mm
Height30 mm
Weight23.5 kg
Area2.04 m²
Power Density245.0 Wp/m²
Warranty
Product Warranty30 years
Performance Warranty30 years
End-of-Warranty Output88.8%
First Year Degradation1.00%
Annual Degradation0.35%/year
Key Specifications
24.50%
Efficiency
500 Wp
Power
-0.24%/°C
Temp Coeff
30 yrs
Warranty