S SOLARSPECS
LONGi Green Energy is the world's largest solar technology company by market capitalization, pioneering mono-crystalline silicon technology and the industry-standard Hi-MO series. The LONGi LR5-66HBD-480M is a Monocrystalline solar module delivering 480W of rated power output with 20.96% module efficiency. Designed for large-scale ground mounts, this panel brings reliable performance.
🏭View all 261 LONGi models→ Brand range: 270W–605W
Monocrystalline

LONGi LR5-66HBD-480M

Max Power
480W
Efficiency
20.96%
Operating V
37.8V
Warranty
25Y
LONGi LR5-66HBD-480M logo
Technical Specifications
Open Circuit Voltage (Voc)45.0V
Short Circuit Current (Isc)13.59A
Voltage at Pmax (Vmp)37.8V
Current at Pmax (Imp)12.71A
Temp. Coefficient of Pmax-0.321%/°C
Dimensions1944 x 1178 x 35 mm
Weight28.6kg
NOCT47.67°C
PTC Rating453.6W
📋 Data verified: June 2026 📄 Specs based on STC (1000 W/m², 25°C, AM 1.5) 🏷️ 261 LONGi models in database

FAQ

How long is the warranty for the LONGi LR5-66HBD-480M?

The LR5-66HBD-480M comes with a 25-year product warranty covering defects and degradation.

What are the dimensions and weight of the LONGi LR5-66HBD-480M?

It measures 1944 x 1178 x 35 mm and weighs 28.6kg.

What is the max power output of the LONGi LR5-66HBD-480M?

The LONGi LR5-66HBD-480M is rated at 480W under STC (1000 W/m², 25°C, AM 1.5).

How efficient is the LONGi LR5-66HBD-480M?

This panel has 20.96% efficiency, which is above average for commercial solar panels.

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LONGi offers 261 solar panel models from 270W to 605W.

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