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Hyundai HiN-T640NJ 640W Specifications
| Model | Hyundai HiN-T640NJ |
| Maximum Power Output | 640W (front) / 709W (with 25% rear irradiance) |
| Module Efficiency | 22.90% |
| Open Circuit Voltage (Voc) | 56.3V |
| Short Circuit Current (Isc) | 14.41A (front) / 15.97A (with 25% rear) |
| Voltage at Pmax (Vmpp) | 46.9V |
| Current at Pmax (Impp) | 13.65A (front) / 15.12A |
| Bifaciality | 80% ±10% |
| Mechanical Load Rating | 5,400 Pa front / 2,400 Pa rear |
| Dimensions | 97.0 × 44.6 × 1.4 in |
| Weight | 76.1 lb |
| Power Class Sorting | 0 to +5W |
| Cell Technology | N-Type TOPCon, 156 monocrystalline 16BB half-cut bifacial cells |
Complete solar systems engineered for membrane or torch down roofs, standing metal seam, corrugated steel, concrete, flashed or non-flashed composition, tile, metal, and virtually any sloping roof application. Available at competitive wholesale pricing.
Hyundai HiN-T640NJ 640W Bifacial C&I Solar Panel
SKU HYUNDAI-HIN-T640NJ-640W-PANEL
Hyundai HiN-T640NJ 640W Panel
The Hyundai HiN-T640NJ delivers 640W output with 22.9% module efficiency using advanced N-Type TOPCon cell technology. Featuring 156 monocrystalline 16-busbar half-cut bifacial cells in a 6x26 configuration, this commercial-grade panel achieves up to 19% additional power generation through rear-side light capture with 80% bifaciality. The large-format wafer design maximizes output while minimizing overall module dimensions.
Constructed with dual 2.0mm semi-tempered solar glass on both front and rear surfaces with anti-reflective coating, the module achieves superior light transmittance and durability. Recognized as a PVEL PQP Top Performer in 2025, the panel includes IP68-rated Stäubli MC4 connectors with 1,400mm output cables and carries a 12-year product warranty with 30-year performance guarantee.
Hyundai 640W HiN-T640NJ Features
- Premium N-Type TOPCon Cells: Proprietary tunnel oxide passivated contact technology delivers 22.9% efficiency with reduced recombination losses and enhanced electron collection
- Dual-Side Power Generation: 80% bifaciality captures reflected and diffuse light on rear surface, producing up to 709W total output with 25% rear irradiance
- Large-Format Wafer Design: Optimized cell size maximizes 640W output while controlling module dimensions for easier handling and installation
- Extreme Load Resistance: Dual 2.0mm semi-tempered glass construction with anodized aluminum frame withstands 5,400 Pa front loads for high snow and wind zones
- PVEL PQP Top Performer: Third-party verification of long-term reliability through comprehensive PQP testing in 2025, ensuring superior field performance
Hyundai HiN-T640NJ Safety and Performance
The Hyundai HiN-T640NJ meets stringent international safety and performance standards backed by extensive third-party testing.
- UL Standard Certification - Tested and verified through UL-approved certification test laboratory at HD Hyundai R&D Center
- IP68 Ingress Protection - Junction box and Stäubli MC4 genuine connectors rated for dust-tight and water submersion protection
- PVEL PQP Top Performer 2025 - Verified long-term reliability and quality through comprehensive Product Qualification Program testing
- Bifacial Performance Testing - Laboratory-verified 80% bifaciality with documented rear-side power gain characteristics
- Mechanical Load Testing - Certified for 5,400 Pa front and 2,400 Pa rear load capacity through environmental chamber testing
HD Hyundai HiN-T640NJ 640W Solar Panel Technical Review
The Hyundai HiN-T640NJ represents the latest evolution in N-Type TOPCon (Tunnel Oxide Passivated Contact) technology, offering significant advantages over conventional PERC cells through superior passivation and reduced recombination losses. The 22.9% module efficiency results from HD Hyundai's proprietary cell manufacturing process utilizing new production facilities dedicated to N-TOPCon fabrication. The 80% bifaciality rating enables substantial additional energy harvest from ground-reflected light, with documented performance showing 667W at 5% rear irradiance, 730W at 15% rear irradiance, and 794W at 25% rear irradiance, making ground albedo and mounting height critical design considerations for maximizing system output.
For commercial and utility-scale applications, the HiN-T640NJ's construction addresses key long-term performance requirements through dual 2.0mm semi-tempered glass on both front and rear surfaces, providing superior impact resistance and UV stability compared to polymer backsheet designs. The 5,400 Pa front load rating accommodates installations in severe snow load regions, while the anodized aluminum frame prevents corrosion in coastal or industrial environments. The 30-year performance warranty demonstrates HD Hyundai's confidence in the N-Type cell technology's resistance to degradation, with TOPCon cells typically exhibiting lower first-year degradation and more stable long-term output compared to P-Type technologies.
HD Hyundai HiN-T640NJ Series 640W Solar Panel Benefits
Multi Busbar Technology
Reduce the risk of output loss due to cell cracks with Hyundai's multi busbar technology. Provides stable power generation performance by improving the flow of electric currents through wire ribbons.
UL Certified Performance
Comprehensive testing through UL's international certification laboratory ensures consistent quality and reliable performance across all environmental conditions.
PVEL Test Excellence
HD Hyundai Energy Solutions was chosen as a top performer in the PQP test carried out by PVEL in 2025, and provides high-quality modules that have been verified of long-term reliability.
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