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Products Description
Upgrade your solar projects with next-generation n type bifacial solar panel technology from JA Solar. Designed for EPC contractors, solar installers, and project developers, this high efficiency mono module delivers higher energy yield, lower degradation, and long-term reliability-making it the ideal solution for commercial rooftop systems and utility-scale solar farms.
Maximize Energy Yield with N-Type Bifacial Technology
This JA Solar n type bifacial solar panel is engineered to generate more electricity from both the front and rear sides. Compared with conventional modules, the bifacial design can increase total power generation by 5%–25%, depending on installation conditions such as ground reflectivity and mounting structure.
For solar EPC contractors working on large-scale projects, this means a higher system output without increasing installation area-ultimately improving project ROI and reducing LCOE.
Lower Degradation, Higher Long-Term Returns
One of the key advantages of n-type technology is its significantly lower degradation rate. Unlike traditional P-type modules, this double glass solar module ensures:
- First-year degradation ≤ 1%
- Annual degradation ≤ 0.4%
- Up to 30 years of stable power output
For project developers and investors, this translates directly into more predictable returns and a shorter payback period, especially in long-term commercial and industrial (C&I) solar investments.
ELECTRICAL PARAMETERS AT STC
| TYPE | DT66D45 -590/LB |
| Rated Maximum Power(Pmax) [W] | 590 |
| Open Circuit Voltage(Voc) [V] | 47.3 |
| Maximum Power Voltage(Vmp) [V] | 39.09 |
| Short Circuit Current(Isc) [A] | 15.85 |
| Maximum Power Current(Imp) [A] | 15.09 |
| Module Efficiency [%] | 21.8 |
| Power Tolerance | 0~+5W |
| Temperature Coefficient of Isc(α_Isc) | +0.046%/°C |
| Temperature Coefficient of Voc(β_Voc) | -0.260%/°C |
| Temperature Coefficient of Pmax(y_Pmp) | -0.300%/°C |
Products Description
| Maximum System Voltage | 1500V DC |
| Operating Temperature | -40 °C ~+85 °C |
| Maximum Series Fuse Rating | 35A |
| Maximum Static Load,Front* | 5400Pa(112 Ib/ft²) |
| Maximum Static Load,Back* | 2400Pa(50 Ib/ft²) |
| NOCT | 45±2 C |
| Bifaciality** | 80%±10% |
| Fire Performance | UL Type 29 |
Lower Degradation for Long-Term Energy Stability
When evaluating a solar module for commercial or utility-scale projects, experienced buyers don't just look at peak power-they focus on how well that performance holds over time. This is where n-type technology makes a real difference.
Over the long run, the advantage becomes even more significant. Thanks to its optimized cell structure, the module achieves a much slower annual degradation rate. Combined with the 30-year linear power output warranty, this ensures a more stable and predictable energy yield across the entire lifecycle of the project.
For EPC contractors and project investors, this directly translates into:
- More accurate ROI projections
- Higher cumulative energy generation
- Reduced performance risk over time
In large-scale installations, even a small improvement in degradation can result in a substantial increase in total energy output. That's why low degradation is not just a technical detail-it's a financial advantage.
FAQ
Q: What is the main advantage of N-type modules compared to P-type?
A: N-type modules offer lower degradation, higher efficiency, and better performance under high temperatures and low irradiance. This results in higher long-term energy yield and improved ROI for both commercial and utility-scale projects.
Q: Is this module suitable for high-temperature regions?
A: Yes. With an optimized temperature coefficient (around **-0.29%/°C**), it performs better in hot climates than standard modules, making it ideal for regions like Africa, the Middle East, and Southeast Asia.
Q: What certifications does the module have?
A: The module is certified with **IEC 61215, IEC 61730, TUV, and CE**, ensuring compliance with international quality and safety standards and smooth importation.
Q: Can you provide OEM or private label services?
A: Yes, we support **OEM and branding services** for distributors and partners, including customized labeling and packaging.
Q: Do you provide system design support?
A: Yes. We offer **free solar system design and technical support**, helping EPC contractors and project developers optimize system performance and configuration.
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