Product Description

The LONGi Hi-MO 6 Explorer LR5-72HTD 550W-580W solar panel is a high-power monocrystalline photovoltaic module designed for utility-scale solar power plants, commercial PV projects, and large-area ground-mounted solar systems.

Featuring LONGi’s advanced HPBC (Hybrid Passivated Back Contact) technology platform, the LR5-72HTD series delivers a maximum power output of 580W and module efficiency up to 22.5%, improving energy yield while reducing balance-of-system costs.

With a 144-cell configuration, dual-glass structure, low degradation rate, and excellent environmental adaptability, this high efficiency solar module provides stable performance throughout its service life. It is optimized for large-scale photovoltaic applications requiring high power density, reliability, and long-term energy generation.

The LONGi LR5-72HTD 550W-580W solar panel is an ideal solution for:

Utility-scale photovoltaic power plants

Commercial rooftop solar systems

Industrial solar installations

Large ground-mounted PV projects

Product Features

1. High Power Output Up to 580W

The LONGi LR5-72HTD solar module provides a wide power range from 550W to 580W, helping maximize electricity generation within limited installation areas.

Key performance advantages:

• Maximum power output: 580W
• Maximum module efficiency: 22.5%
• Power tolerance: 0~+3%
• 144 monocrystalline solar cells (6×24)

Higher module power reduces the number of panels required for large PV projects, lowering installation costs and improving system economics.

2. Advanced High-Efficiency Photovoltaic Technology

The LR5-72HTD series adopts LONGi’s advanced solar cell technology to improve photovoltaic conversion efficiency and energy output.

Benefits include:

• Higher energy generation per square meter
• Improved power output under different environmental conditions
• Reduced levelized cost of electricity (LCOE)
• Better investment return for solar projects

3. Excellent Temperature Coefficient Performance

Designed for real-world outdoor environments, the LONGi LR5-72HTD solar panel maintains stable performance under high temperatures.

Temperature coefficient:

• Pmax: -0.29%/℃
• Voc: -0.23%/℃
• Operating temperature: -40℃ to +85℃

The optimized temperature performance helps maintain reliable solar power generation in hot climates.

4. Durable Dual Glass Solar Module Design

The LR5-72HTD photovoltaic module uses a high-quality dual glass structure designed for long-term outdoor reliability.

Features:

• 2.0mm coated semi-tempered dual glass
• Anodized aluminum alloy frame
• IP68 waterproof junction box
• Strong resistance against moisture, dust, and environmental stress

This robust structure improves module durability and supports long-term operation in demanding environments.

5. Long-Term Reliability & Low Degradation

LONGi LR5-72HTD solar panels are designed for stable power generation throughout the module lifecycle.

Warranty performance:

• First-year degradation: <1.5%
• Annual degradation (Year 2-30): 0.40%
• 30-year power warranty
• Maximum guaranteed power output: 86.9% after 30 years

This ensures consistent energy production and long-term project value.

6. High Mechanical Load Resistance

The module is suitable for large-scale outdoor installations with demanding weather conditions.

Mechanical reliability:

• Maximum front load: 5400Pa
• Maximum rear load: 2400Pa
• Maximum system voltage: 1500V DC
• Maximum series fuse rating: 30A

Suitable for areas with strong wind, snow loads, and challenging outdoor environments.

Technical Specifications

Electrical Characteristics (STC)

Mechanical Specifications