LONGi 620W Bifacial Double-Glass Solar Panel
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☀️ LONGi Hi-MO 7 620W Bifacial Double-Glass Solar Panel
Brand: LONGi
Model: LR7-72HGD-620M
Series: Hi-MO 7
Type: N-Type Bifacial Double-Glass Solar PV Module
Cell Technology: HPDC (High-Performance Dual-Junction Cell / N-Type Monocrystalline)
Application: Utility-scale, commercial & industrial solar PV systems
⚡ Key Features
- 620 W rated output — high power density for large-scale solar installations
- Advanced HPDC cell technology — lower degradation and higher lifetime energy yield
- Bifacial energy generation — up to 80% bifaciality for increased rear-side energy production from reflected light
- Double-glass construction — 2.0 mm + 2.0 mm semi-tempered glass provides enhanced durability, fire resistance, and long-term reliability
- Excellent resistance to LID & PID — stable long-term performance backed by a 30-year linear power warranty
- Optimised for 1500 V DC systems — supports longer module strings and reduces balance-of-system (BOS) costs
- Low temperature coefficient (-0.280%/°C) — delivers improved performance in high-temperature environments
- Designed for demanding utility and commercial projects — maximises lifetime energy production and return on investment
📐 Technical Specifications
| Specification | Value |
|---|---|
| Model | LR7-72HGD-620M |
| Rated Power (Pmax) | 620 W |
| Module Type | Bifacial, Double-Glass |
| Cell Technology | N-Type Monocrystalline (HPDC) |
| Number of Cells | 144 (6 × 24 Half-Cut) |
| Module Efficiency | 23.0% |
| Maximum Power Voltage (Vmp) | 44.55 V |
| Maximum Power Current (Imp) | 13.92 A |
| Open Circuit Voltage (Voc) | 52.66 V |
| Short Circuit Current (Isc) | 14.81 A |
| Bifaciality Factor | 80 ± 5% |
| Maximum System Voltage | 1500 V DC (IEC/UL) |
| Power Tolerance | 0 ~ +3% |
| Temperature Coefficient (Pmax) | -0.280% / °C |
| Operating Temperature Range | -40 °C to +85 °C |
| Front / Rear Glass | 2.0 mm + 2.0 mm Semi-Tempered Glass |
| Frame | Anodised Aluminium Alloy |
| Junction Box | IP68, 3 Diodes |
| Front Side Maximum Static Load | 5400 Pa |
| Rear Side Maximum Static Load | 2400 Pa |
| Dimensions | 2382 × 1134 × 30 mm |
| Weight | 33.5 kg |
🏡 Benefits
- Higher total energy yield through high-efficiency bifacial energy generation
- Very low degradation, with less than 1% degradation in the first year and only 0.4% annual degradation from years 2–30
- Exceptional durability with 5400 Pa front-side and 2400 Pa rear-side mechanical load ratings
- Lower Levelised Cost of Energy (LCOE) through higher efficiency and lower balance-of-system costs
- Excellent long-term reliability backed by a 30-year linear power warranty
🏷️ Ideal For
- Utility-scale solar power plants
- Commercial & industrial PV systems
- Ground-mounted solar installations
- Fixed-tilt and single-axis tracking systems
- High-performance grid-tied solar projects
- Projects requiring maximum energy yield and long-term reliability
🏷️ Quality & Support
The LONGi Hi-MO 7 LR7-72HGD-620M is engineered with advanced HPDC N-Type cell technology and a robust bifacial double-glass design to maximise energy production, durability, and long-term value. Delivering 620 W of output, 23.0% module efficiency, and industry-leading degradation performance, it is an ideal solution for utility-scale, commercial, and industrial solar projects where maximum energy yield, reliability, and return on investment are essential.
(SPEC SHEET)
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