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Astronergy 520 520W N-Type TOPCon Bifacial Solar Panel
Model 520 | N-Type TOPCon | 108 Half-Cell | Bifacial | 1500V System Voltage
Product Overview
The Astronergy 520 is a high-performance solar panel built for modern commercial and residential systems. It uses N-type TOPCon technology and a bifacial design for stronger energy capture. The module delivers 520 Wp output and reaches 23.4% efficiency. Its black anodized aluminium frame adds durability and a clean appearance. With a 25-year product warranty and long-term power retention, it is designed for reliable operation. The panel also supports high-voltage system design and efficient installation.
Key Benefits
High power output: The module delivers 520 Wp for strong energy production in demanding solar projects.
Excellent efficiency: With 23.4% efficiency, the panel converts more sunlight into usable electricity.
Bifacial performance: Rear-side light capture can improve total generation in suitable installations.
Long-term reliability: The 25-year product warranty supports confidence in long service life.
Strong system compatibility: A 1500V maximum system voltage supports efficient string design and large-scale installations.
Durable construction: The IP68 junction box, MC4 connector, and aluminium frame improve weather resistance.
How It Works
This module converts sunlight into direct current electricity through advanced monocrystalline N-type cells. Its TOPCon cell architecture helps improve efficiency and reduce electrical losses. The bifacial format allows the rear side to contribute extra power when reflected light is available. That makes the module especially effective on bright rooftops, light-colored ground surfaces, and open commercial arrays. The half-cell layout also helps improve current flow and supports better performance under partial shading. Combined with the low degradation rate, the panel is built for stable output over many years.
Sunlight to electricity: The monocrystalline cells absorb solar radiation and convert it into electrical power. The module is rated at 520 Wp under standard test conditions.
Bifacial rear gain: Light reaching the back of the panel can increase total production. This benefit depends on site layout, mounting height, and ground reflectivity.
Power stability: The module is designed for low degradation across its working life. The warranty supports 99% in year one and 87.4% by year 30.
Technical Specifications
| Brand | Astronergy |
| Model No. | 520 |
| Technology | Bifacial, TOPCon, N-type |
| Cell Number | 108 |
| Cell Type | Monocrystalline |
| Maximum Power (Pmax) | 520 Wp |
| Voltage at Maximum Power (Vmpp) | 34.44 V |
| Current at Maximum Power (Impp) | 15.1 A |
| Open Circuit Voltage (Voc) | 41.39 V |
| Short Circuit Current (Isc) | 15.82 A |
| Panel Efficiency | 23.4 % |
| Power Tolerance | 0 ~ +3 % |
| Operating Temperature Range | -40 to 85 °C |
| Temperature Coefficient of Pmax | -0.29 %/°C |
| Temperature Coefficient of Voc | -0.25 %/°C |
| Temperature Coefficient of Isc | 0.043 %/°C |
| Maximum System Voltage | 1500 V |
| Series Fuse Rating | 30 A |
| Panel Dimension (H/W/D) | 1961 x 1134 x 30 mm |
| Weight | 26.9 kg |
| Glass Thickness | 2 mm |
| Frame Type | Anodized Aluminium, Black |
| Junction Box Protection Class | IP68 |
| Connector Type | MC4 |
| Cable Crossection | 4 mm² |
| Cable Length | 1200 mm |
| Seller Name | Chint New Energy Technology Co., Ltd. (Astronergy) |
| Country | China |
Certifications & Compliance
Certifications: IEC and UL system voltage suitability, IP68 junction box protection, and Tier 1 manufacturing references from the provided documentation.
Inverter Compatibility: Suitable for 1500V systems with standard MC4 connectivity and 30A series fuse rating.
Environmental: Operates from -40 to 85 °C and uses a durable anodized aluminium frame with bifacial construction.
Warranty: 25-year product warranty and 1-year power warranty at 99%, with 87.4% remaining power at 30 years and 0.42% total degradation rate.
Documentation
Product Datasheet (PDF)● Available | Contact us for lead time and pricing
| SKU | PES-SPS-SOL-1551 |
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| Manufacturer | PES Supply |
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