Product Details
| 4.9 ★ (36 Reviews)
Longi 585W Bifacial Solar Panel - LR5-72HTD
The Longi 585W Bifacial Solar Panel LR5-72HTD is Pakistan's most advanced solar solution, delivering exceptional energy output for residential, commercial, and industrial applications. With front-side power ratings up to 585W and 22.6% module efficiency, this panel sets new standards in solar technology.
The innovative bifacial glass-glass design captures sunlight from both sides, providing up to 25% additional energy gain without requiring extra space. Built with 144 high-performance half-cut monocrystalline cells, it offers superior shading tolerance and output stability even in challenging conditions.
Engineered for Pakistan's diverse climate, the dual-glass construction features 2.0mm semi-tempered glass on both sides, rated to handle 5400Pa front-side load and 2400Pa rear-side load – making it resistant to heavy storms, snow, and hail up to 25mm at 23m/s. The IP68 rated junction box ensures long-term protection against moisture and dust.
Why Choose Longi 585W Bifacial Solar Panel?
The Longi LR5-72HTD series represents the pinnacle of solar innovation, combining high-efficiency cells with bifacial technology to maximize energy harvest. Whether you're powering a home, business, or industrial facility, these panels deliver unmatched performance and reliability.
More Energy, Same Space
- Up to 22.6% module efficiency with 585W maximum power output
- Bifacial glass-glass design collects light from both sides for up to 25% more output
- 144 high-performance half-cut cells for better shading tolerance and reduced resistive losses
- Lower temperature coefficient ensures better performance in hot climates like Pakistan
- Available variants: 560W, 565W, 570W, 575W, 580W, and 585W
Engineered for Extreme Weather Conditions
- Dual-glass construction with 2.0mm semi-tempered glass on both sides (front and back)
- High load capacity: 5400Pa front-side load and 2400Pa rear-side load – ideal for storms and heavy snow
- Withstands hail up to 25mm at 23m/s – perfect for Pakistani weather conditions
- IP68 rated junction box ensures long-term protection against moisture, dust, and water ingress
- Operating temperature range: –40°C to +85°C
Certifications & Quality Assurance
This panel complies with international standards for safety and performance:
- IEC 61215 / IEC 61730 / UL 61730 – Safety and performance certification
- IEC62941 – Design qualification for reliability
- ISO 9001, ISO 14001, ISO 45001 – Manufacturing, environmental, and occupational safety standards
- Class II protection and IEC Class C fire rating
Long-Term Power Guarantee
- 15-year product warranty for materials and build quality
- 30-year linear performance warranty
- Less than 1.5% power drop in the first year
- Just 0.40% annual degradation from year 2 to 30
- Still delivers over 86.9% of original power after 30 years
Installation & Maintenance Tips
To ensure your Longi 585W Bifacial Solar Panels perform optimally for home and commercial use:
- Install in a location with good albedo (reflective surface) to maximize bifacial gains
- Ensure proper wiring compatibility with your inverter system before installation
- Clean panels regularly to prevent dust buildup, especially in dusty environments
- Inspect the IP68 junction box and connections periodically for any signs of wear
- Monitor system performance through your inverter's app for easy diagnostics
- When purchasing, always source from authorized Longi solar bifacial dealers in Pakistan
Why Longi for Pakistan?
As demand for renewable energy grows across Pakistan, Longi bifacial solar panels are increasingly preferred for their bifacial gains and long-term reliability. The Longi 585W Bifacial Solar Panel price in Pakistan offers great value, providing higher efficiency and better returns on investment compared to conventional panels. For projects with limited space, Longi 560W bifacial options deliver a compact yet high-output solution.
Longi 585W Bifacial Solar Panel – Complete Technical Specifications
| Electrical Data (STC) | |
| Model} | LR5-72HTD-585M}^ |
| Maximum Power (Pmax) | 585W |
| Module Efficiency | 22.6% |
| Open Circuit Voltage (Voc) | 52.45 V |
| Short Circuit Current (Isc) | 14.19 A |
| Voltage at MPP (Vmp) | 44.00 V |
| Current at MPP (Imp) | 13.30 A |
| Bifacial & Performance Data | |
| Rear-side Gain | Up to 25% (Bifaciality 60±5%) |
| Power Tolerance | 0 ~ +3% |
| System Voltage | Up to 1500V DC |
| Fuse Rating | 30A |
| Mechanical Specifications | |
| Module Size (L×W×H) | 2278 × 1134 × 30 mm |
| Weight | 31.8 kg |
| Frame | Anodized aluminum alloy |
| Glass | Dual-glass, 2.0 mm semi-tempered (front & back) |
| Junction Box | IP68 rated – moisture and dust protected |
| Cable Length | +400mm / –200mm (±1400mm optional) |
| Cell Orientation | 144 (6 × 24) half-cut monocrystalline |
| Connector Type | MC4 Compatible |
| Temperature & Load Ratings | |
| Operating Temperature | –40°C to +85°C |
| Nominal Cell Temp (NOCT) | 45±2°C |
| Front Side Static Load | 5400Pa (550kg/m²) |
| Rear Side Static Load | 2400Pa (244kg/m²) |
| Hail Resistance | Up to 25mm at 23m/s |
| Warranty | |
| Product Warranty | 15 Years |
| Performance Warranty | 30 Years Linear |
| 1st Year Degradation | < 1.5% |
| Annual Degradation (Year 2-30) | 0.40% per year |
| Power Output after 30 Years | > 86.9% |
Note: Other power variants available (560W, 565W, 570W, 575W, 580W) with similar specifications. Contact us for detailed datasheets and bulk pricing.
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