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. LONGi's LR4-72HBD-450M leverages Monocrystalline technology to achieve 21.33% module efficiency and 450W maximum power. Key specs: Voc=49.6V, Isc=11.58A, Vmp=41.4V, Imp=10.87A. Warranty: 25 years.
🏭View all 261 LONGi models Brand range: 270W–605W
Monocrystalline

LONGi LR4-72HBD-450M

Max Power
450W
Efficiency
21.33%
Operating V
41.4V
Warranty
25Y
LONGi LR4-72HBD-450M logo
Technical Specifications
Open Circuit Voltage (Voc)49.6V
Short Circuit Current (Isc)11.58A
Voltage at Pmax (Vmp)41.4V
Current at Pmax (Imp)10.87A
Temp. Coefficient of Pmax-0.331%/°C
Dimensions1866 x 1131 x 35 mm
Weight26.4kg
NOCT44.84°C
PTC Rating427.8W
📋 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 LR4-72HBD-450M?

The LR4-72HBD-450M comes with a 25-year product warranty covering defects and degradation.

What are the dimensions and weight of the LONGi LR4-72HBD-450M?

It measures 1866 x 1131 x 35 mm and weighs 26.4kg.

What is the max power output of the LONGi LR4-72HBD-450M?

The LONGi LR4-72HBD-450M is rated at 450W under STC (1000 W/m², 25°C, AM 1.5).

How efficient is the LONGi LR4-72HBD-450M?

This panel has 21.33% efficiency, which is high for commercial solar panels.

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

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