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 LR5-54HPH-405M is a Monocrystalline solar module delivering 405W of rated power output with 21.32% module efficiency. Designed for distributed generation projects, this panel brings reliable performance.
🏭View all 261 LONGi models→ Brand range: 270W–605W
Monocrystalline

LONGi LR5-54HPH-405M

Max Power
405W
Efficiency
21.32%
Operating V
31V
Warranty
25Y
LONGi LR5-54HPH-405M logo
Technical Specifications
Open Circuit Voltage (Voc)37V
Short Circuit Current (Isc)13.83A
Voltage at Pmax (Vmp)31V
Current at Pmax (Imp)13.07A
Temp. Coefficient of Pmax-0.358%/°C
Dimensions1771 x 1073 x 35 mm
Weight23.8kg
NOCT45.86°C
PTC Rating382.3W
📋 Data verified: June 2026 📄 Specs based on STC (1000 W/m², 25°C, AM 1.5) 🏷️ 261 LONGi models in database

FAQ

What is the max power output of the LONGi LR5-54HPH-405M?

The LONGi LR5-54HPH-405M is rated at 405W under STC (1000 W/m², 25°C, AM 1.5).

How long is the warranty for the LONGi LR5-54HPH-405M?

The LR5-54HPH-405M comes with a 25-year product warranty covering defects and degradation.

How efficient is the LONGi LR5-54HPH-405M?

This panel has 21.32% efficiency, which is high for commercial solar panels.

What are the dimensions and weight of the LONGi LR5-54HPH-405M?

It measures 1771 x 1073 x 35 mm and weighs 23.8kg.

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

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