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 lifespan of a mono solar panel?
Most mono solar panels have an impressive lifespan of around 25 - 30 years. This long lifespan is due to their robust construction and the durability of the monocrystalline silicon material. During this time, the panels are designed to maintain a relatively stable performance. However, like all solar panels, they do experience a gradual degradation in performance over the years. The typical degradation rate is around 0.5% - 1% per year. This means that after 25 years, a mono solar panel may still be generating around 75% - 87.5% of its original power output, depending on the exact degradation rate. Manufacturers usually provide warranties that guarantee a certain level of performance over a specified period, giving consumers confidence in the long term viability of the panels.
Can mono solar panels work in cloudy weather?
Yes, mono solar panels can still generate electricity in cloudy weather. Although the intensity of sunlight is much reduced on cloudy days, the photons in the diffused light can still interact with the monocrystalline silicon cells. The high quality silicon in mono solar panels is sensitive enough to capture these less energetic photons and excite electrons, generating an electric current. However, it's important to note that the power output will be significantly lower compared to sunny conditions. On average, a mono solar panel may produce only 10% - 25% of its maximum power output on a very cloudy day. But this still contributes to the overall energy production and can help power a home or business, reducing the reliance on grid supplied electricity even during less than ideal weather.
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