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620W Longi Bi-Facial Tier 1 Hi-MO Solar Panel

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LONGi 620W Hi-MO 7 Commercial Solar Panel – High-Efficiency Bifacial Power Solution

⚠️ PLEASE NOTE: Solar panels are couriered at the buyer’s own risk.

Power your business with a next-generation commercial solar panel designed for maximum energy yield and long-term reliability. The LONGi 620W Hi-MO 7 bifacial solar panel is engineered for commercial rooftops, ground-mounted systems, and utility-scale solar installations where performance, durability, and efficiency are critical.

This high-output solar panel combines ultra-high wattage, bifacial energy generation, and advanced cell technology to deliver outstanding results in demanding environments.


High-Performance Solar Panel for Large-Scale Installations

The LONGi Hi-MO 7 series is built specifically for modern commercial and industrial energy demands. With a 620W nominal power output, this commercial solar panel allows installers to reduce the number of modules required per project while improving overall system efficiency and lowering balance-of-system costs.

It is an ideal solution for businesses seeking high power density and optimized installation efficiency.


Key Features 

  • Ultra-High Power Output (620W)
    Delivers exceptional performance under STC conditions, reducing space and installation requirements.

  • Bifacial Energy Generation
    Generates power from both front and rear surfaces, increasing total energy yield by approximately 10–25% under suitable conditions.

  • Advanced HPDC Half-Cell Technology
    Minimises resistive losses and improves performance in low-light and partial shading environments.

  • Excellent Thermal Stability
    Low temperature coefficient of –0.28% per °C, ensuring consistent output in high-temperature climates.

  • Heavy-Duty Mechanical Strength
    Designed to withstand 5400Pa front-side and 2400Pa rear-side static loads.


Key Benefits of Using 

  • Higher energy production per panel

  • Lower installation and BOS costs

  • Increased long-term return on investment

  • Reliable output in harsh weather conditions

  • Ideal for commercial, industrial, and utility-scale solar projects

This commercial solar panel is built to deliver stable, predictable performance throughout its operational life.


Durable Construction & Long-Term Warranty

The LONGi 620W commercial solar panel features a robust dual-glass design with semi-tempered glass for superior mechanical strength. An anodised aluminium frame, IP68 junction box, and reinforced cabling ensure durability in challenging environments.

Warranty Coverage:

  • 12-year product warranty

  • 20-year linear power output warranty

This ensures controlled degradation and dependable long-term energy generation.


Technical Specifications – LONGi Hi-MO 7 620W

Mechanical Specifications

SpecificationDetails
Cell Orientation132 (6 × 22)
GlassDual glass, 2.0 ± 2.0 mm semi-tempered
FrameAnodised aluminium alloy
Junction BoxIP68, 3 diodes
Output Cable4mm², +400 / –200 mm (±1400 mm optional)

Electrical Characteristics (STC)

SpecificationValue
Module TypeLR8-66HGD-620M
Maximum Power (Pmax)620 W
Open Circuit Voltage (Voc)48.78 V
Short Circuit Current (Isc)16.05 A
Voltage at Max Power (Vmp)40.91 V
Current at Max Power (Imp)15.16 A
Module Efficiency23.0%
Bifaciality80 ± 5%

Operating Parameters

ParameterValue
Operating Temperature–40°C to +85°C
Power Tolerance0 ~ +3%
Voc / Isc Tolerance±3%
Max System VoltageDC 1500 V (IEC/UL)
Max Series Fuse Rating35 A
NOCT45 ± 2°C
Protection ClassClass II
Fire RatingUL Type 29, IEC Class C

Temperature Coefficients (STC)

ParameterCoefficient
Isc+0.045% / °C
Voc–0.230% / °C
Pmax–0.28% / °C

Installation & Usage Notes

Installation must be performed by qualified solar professionals and follow manufacturer guidelines. Warranty coverage applies only when correct handling, system design, and installation practices are followed.

This commercial solar panel is suitable for:

  • Commercial buildings

  • Industrial facilities

  • Utility-scale solar farms


Why Choose Ehumu ?

At Ehumu, we specialise in supplying high-quality solar panels that meet the demands of large-scale energy projects. We focus on:

  • Trusted, tier-one solar brands

  • Reliable sourcing and quality control

  • Competitive pricing for commercial installations

  • Expert support for industrial and utility-scale solar solutions

Choose Ehumu for dependable, high-performance commercial solar panels that deliver long-term value.

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