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LONGi 620W Bifacial Double-Glass Solar Panel

Regular price R 1,790.00 ZAR
Regular price R 1,900.00 ZAR Sale price R 1,790.00 ZAR
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☀️ LONGi Hi-MO X10 620W Bifacial Double-Glass Solar Panel

Brand: LONGi
Model: LR8-66HGD-620M
Series: Hi-MO X10
Type: N-Type Bifacial Double-Glass Solar PV Module
Cell Technology: HPBC 2.0 (Hybrid Passivated Back Contact) N-Type Monocrystalline
Application: Utility-scale, commercial & industrial solar PV systems


⚡ Key Features

  • 620 W rated output with 23.0% module efficiency for exceptional power density
  • HPBC 2.0 back-contact cell technology delivers higher energy yield, improved reliability, and superior shading performance
  • Bifacial energy generation with 80 ± 5% bifaciality captures reflected sunlight for increased total energy production
  • Double-glass construction using 2.0 mm + 2.0 mm heat-strengthened glass for outstanding durability and environmental protection
  • Excellent long-term reliability with less than 1% first-year degradation and only 0.4% annual degradation from years 2–30
  • Optimised for 1500 V DC systems to support longer strings and lower balance-of-system (BOS) costs
  • Heavy-duty mechanical design rated for 6000 Pa front and 3000 Pa rear static loads
  • Edge frame design improves installation efficiency and is compatible with automated installation robots
  • Low temperature coefficient (-0.280%/°C) ensures excellent performance in high-temperature climates
  • Suitable for high-dust and demanding environmental conditions

📐 Technical Specifications

Specification Value
Model LR8-66HGD-620M
Rated Power (Pmax) 620 W
Module Type Bifacial Double-Glass
Cell Technology HPBC 2.0 N-Type Monocrystalline
Cell Orientation 132 Cells (6 × 22 Half-Cell)
Module Efficiency 23.0%
Maximum Power Voltage (Vmp) 40.91 V
Maximum Power Current (Imp) 15.16 A
Open Circuit Voltage (Voc) 48.78 V
Short Circuit Current (Isc) 16.05 A
Bifaciality 80 ± 5%
Maximum System Voltage 1500 V DC (IEC/UL)
Maximum Series Fuse Rating 35 A
Power Tolerance 0 ~ +3%
Temperature Coefficient (Pmax) -0.280% / °C
Temperature Coefficient (Voc) -0.230% / °C
Temperature Coefficient (Isc) +0.045% / °C
Nominal Operating Cell Temperature (NOCT) 45 ± 2 °C
Operating Temperature Range -40 °C to +85 °C
Front / Rear Glass 2.0 mm + 2.0 mm Heat-Strengthened Glass
Frame High-Strength Aluminium Frame
Junction Box IP68, 3 Diodes
Output Cable 4 mm², +400 / -200 mm (Customisable ±1400 mm)
Front Side Maximum Static Load 6000 Pa
Rear Side Maximum Static Load 3000 Pa
Hail Resistance 25 mm Hail at 23 m/s
Protection Class Class II
Fire Rating UL Type 29 / IEC Class C
Dimensions 2382 × 1134 × 30 mm
Weight 34.7 kg

🏡 Benefits

  • Higher energy generation through advanced HPBC 2.0 and bifacial technology
  • Industry-leading 23.0% module efficiency for improved system performance
  • Outstanding durability with 6000 Pa front and 3000 Pa rear mechanical load ratings
  • Designed for harsh environments, including high-dust, high-wind, and heavy snow regions
  • Lower Levelised Cost of Energy (LCOE) through higher power output and lower BOS costs
  • Excellent long-term performance with <1% first-year degradation and 0.4% annual degradation thereafter
  • Compatible with modern automated installation systems for faster project deployment

🏷️ Ideal For

  • Utility-scale solar farms
  • Commercial & industrial rooftop PV systems
  • Ground-mounted solar installations
  • Fixed-tilt and single-axis tracker systems
  • High-performance grid-tied solar projects
  • Large-scale renewable energy projects requiring maximum efficiency and long-term reliability

🏷️ Certifications

  • IEC 61215
  • IEC 61730
  • UL 61730
  • ISO 9001:2015 Quality Management System
  • ISO 14001:2015 Environmental Management System
  • ISO 45001:2018 Occupational Health & Safety Management System
  • IEC 62941 Module Design Qualification & Type Approval

🏷️ Quality & Support

The LONGi Hi-MO X10 LR8-66HGD-620M represents LONGi's latest generation of high-performance bifacial solar technology, combining HPBC 2.0 N-Type back-contact cells with a robust double-glass architecture to maximise efficiency, reliability, and lifetime energy production. Engineered for utility-scale and commercial solar projects, it delivers 620 W of power, 23.0% module efficiency, exceptional mechanical strength, and industry-leading degradation performance.

Backed by a 12-year product warranty and 30-year linear power output warranty, the module guarantees 99% power retention after the first year and 87.4% output after 30 years, making it an outstanding choice for long-term, high-return solar installations.

(SPEC SHEET)

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