- At 22.9% efficiency, this panel is on par with typical TOPCon 500-550W modules
- Power density of 229.3 W/m² matches the TOPCon 500-550W median
- At -0.29%/°C, hot weather performance is typical for TOPCon 500-550W panels
- Bifacial design (80% factor) captures reflected light - adds 4-12% yield on ground-mount or white roof
- #1817 for efficiency, #1739 for temperature performance out of 11672 panels
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Series ASTRO N7s 2.0 Bifacial Series (CHSM54RN(DG)/F-BH) 5 variants
The Astronergy ASTRO N7s 2.0 Bifacial (CHSM54RN(DG)/F-BH) series was designed for maximum yield from the same rooftop surface – without compromising on durability and aesthetics. These bifacial glass-glass modules feature n-type TOPCon 5.0 cells, which better withstand high operating temperatures and experience slower degradation over time, translating to more stable energy production year after year.
A key highlight is the ZBB (zero busbar) technology, which minimizes shading on the cells and resistive losses while enhancing resistance to microcracking. In practical terms, this ensures reliable performance in real-world installation conditions and under mechanical stress.
Compared to competitors, the series stands out thanks to the Light Redirecting black film, which optimizes light distribution and helps better utilize sunlight, and the format facilitating transportation and installation on roofs with limited space. This is a smart choice for residential and premium segments, where performance, appearance, and long-term reliability are key.
Electrical Parameters (STC)
| Nominal Power (Pmax) | 510 Wp |
| Module Efficiency | 22.90% |
| Voltage at Max Power (Vmpp) | 34.29 V |
| Current at Max Power (Impp) | 14.87 A |
| Open Circuit Voltage (Voc) | 41.21 V |
| Short Circuit Current (Isc) | 15.70 A |
| Max System Voltage | 1500 V |
Temperature Coefficients
| Temp. Coeff. Pmax | -0.290%/°C |
| Temp. Coeff. Voc | -0.250%/°C |
| Temp. Coeff. Isc | 0.043%/°C |
| NOCT | - |
Cell Technology
| Cell Type | Monocrystalline |
| Cell Count | 108 |
| Bifacial | Yes |
| Bifaciality Factor | 80% |
Dimensions & Weight
| Length | 1961 mm |
| Width | 1134 mm |
| Height | 30 mm |
| Weight | 26.9 kg |
| Area | 2.22 m² |
| Power Density | 229.3 Wp/m² |
Warranty
| Product Warranty | 25 years |
| Performance Warranty | 30 years |
| End-of-Warranty Output | 87.4% |
| First Year Degradation | 1.00% |
| Annual Degradation | 0.40%/year |