550W 580W Mono Solar Panel bifacial
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The PV panels have a high open-circuit voltage, enhancing their performance. The open-circuit voltage is an important parameter in its performance. A higher open-circuit voltage allows for more efficient power transfer and better utilization of the solar energy, contributing to increased electricity generation and overall system performance.
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They are resistant to moisture ingress, protecting internal components. Seals and gaskets are used in the construction of the panels to prevent moisture from entering. Moisture can cause damage to the electrical circuitry and solar cells, so the resistance to moisture ingress is crucial for maintaining the reliability and longevity of the panels.
Products parameters
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Module |
WN 550-580W - 36MH | ||||||||
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Max Power Pmax(W) |
550 | 560 | 565 | 570 | 580 | ||||
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Max Power Voltage(Vmp/V) |
41.50 | 41.77 | 41.92 | 42.07 | 42.37 | ||||
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Max Power Current(Imp/A) |
13.26 | 13.41 | 13.48 | 13.55 | 13.69 | ||||
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Open Circuit Voltage(Voc/V) |
50.21 | 50.47 | 50.60 | 50.74 | 51.02 | ||||
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Short Circuit Current(Isc/A) |
14.00 | 14.15 | 14.23 | 14.31 | 14.47 | ||||
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Module Efficiency(%) |
21.29 | 21.68 | 21.87 | 22.07 | 22.45 | ||||
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Power Tolerance(W) |
0 ~ + 3 %
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Operating Temperature
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-40 °C ~ +85 °C
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Max Series Fuse Rating
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30 A
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Products Overview


| Product Specification | |
| Module Size |
2278×1134×30
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| Weight | 29kg |
| Cell Type |
N- type Mono
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| Junction Box | IP68 |
| Connector | PV Connector |























What is the impact of shading on mono solar panels?
Shading severely reduces performance. Even a small shaded part disrupts electron flow. In a series connected array, one shaded panel affects the whole string. Micro inverters can help, as each panel operates independently. Proper site planning to avoid shading from trees or buildings is essential for optimal panel performance.
How do I choose a reliable mono solar panel manufacturer?
Check the manufacturer's reputation through reviews and testimonials. Look for certifications like ISO 9001 for quality and IEC 61215 for solar specific standards. A long and good term warranty is a plus. Consider their R & D efforts for innovative products. Also, ensure they offer good technical support and spare parts availability.
Can mono solar panels be used in marine applications?
Yes, but with care. Select panels with corrosion resistant frames for the salty marine environment. Mount them in a sunny, secure spot on the vessel. Seal wiring well to prevent water ingress. Use a marine suitable charge controller and battery system. They can power navigation lights, communication gear, and other onboard equipment.
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