BP Solar Energy Systems 70w Poly Small Solar Panels - Stocked with Good Quality
- Ref Price:
-
- Loading Port:
- China main port
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 1 watt
- Supply Capability:
- 10000000 watt/month
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Specification
Application:
Home
Output Voltage (V):
24
Hot Sale !!! Quality and Safety of Small Poly Solar Panel 25~85w
1. Rigorous quality control meets the highest international standards.
2. High-transmissivity low-iron tempered glass, strong aluminium frame.
3. Using UV-resistant silicon.
4. IS09001/14001/CE/TUV/UL
Warranties of Small Poly Solar Panel 25~85w
1. 10 years limited product warranty
2. 15 years at 90% of the minimal rated power output
3. 25 years at 80% of the minimal rated power output
Specification
Characteristics of Poly solar panels CNBM (25-85W) | |||||
Max Power Voltage Vmp(V) | 30.3 | 30.8 | 31.1 | 31.4 | 31.85 |
Max Power Current Imp(A) | 7.60 | 7.64 | 7.73 | 7.81 | 7.85 |
Open Circuit Voltage Voc(V) | 36.1 | 36.6 | 37 | 37.3 | 37.68 |
Short Circuit Current Isc(A) | 8.50 | 8.55 | 8.65 | 8.75 | 8.85 |
Max Power Pm(W) | 230W | 235W | 240W | 245W | 250W |
Temperature Coefficient of Cells Poly solar panels CNBM (25-85W) | |
NOCT | 45± 2 |
Temperature Coeffucients of Isc | 0.0492 |
Temperature Coeffucients of Voc | -0.3374 |
Temperature Coeffucients of Voc | -0.4677 |
Mechanical Data of Poly solar panels CNBM (25-85W) | |
Dimension | 1638 × 982 × 40 mm |
Weight | 19.5 kg |
No. of Cells and Connections | 60 (6 ×10) |
Tolerance | 0 ~ + 5 W |
Cell | Monocrystalline Cell 156 × 156 mm |
Packing | 624 Pcs/40ft(H) Container |
Limits of Poly solar panels CNBM (25-85W) | |
Operating Temperature | -40 to +85 |
Storage Temperature | -40 to +85 |
Max System Voltage | 1000VDC(IEC) / 600VDC(UL) |
Features of our products:
• High conversion efficiency mono/poly-crystalline amorphous silicon solar cells
• Modules incorporate high performance bypass diodes to minimize the power drop caused by shading
• High transmittance, low-iron tempered glass
• High performance EVA encapsulant to prevent destroying and water.
• AI frame: without screw, corner connection. 8 holes on the frame can be installed easily
• Good performance of preventing from atrocious weather such as wind and hails
• Certifications: CE IEC TUV VDE UL, Class I
• 10 years 90% power output warranty
Shipping of Small Poly Solar Panel 25~85w
By Sea | Delivery from Shanghai or Ningbo seaport |
By Air | Departure from Shanghai Pudong Airport |
By Express | Post by DHL, EMS, UPS, TNT. |
- Q: How do solar energy systems impact energy efficiency measures?
- Solar energy systems can greatly improve energy efficiency measures. By harnessing the power of the sun, solar energy systems provide clean and renewable energy that reduces reliance on traditional fossil fuels. This helps to decrease overall energy consumption and greenhouse gas emissions. Additionally, solar energy systems can be integrated with energy efficiency measures such as insulation, LED lighting, and smart thermostats to further optimize energy usage and reduce costs. Overall, solar energy systems play a crucial role in enhancing energy efficiency and promoting a sustainable future.
- Q: Are there any noise concerns with solar energy systems?
- Yes, there are generally no noise concerns with solar energy systems as they do not have any moving parts and operate silently.
- Q: How do solar energy systems affect the carbon footprint?
- Solar energy systems have a positive impact on reducing carbon footprint as they generate electricity without emitting greenhouse gases, such as carbon dioxide, during operation. By harnessing the power of the sun, these systems offer a clean and renewable energy source, helping to mitigate climate change and create a more sustainable future.
- Q: How much space is needed to install a solar energy system?
- The amount of space required for installing a solar energy system varies based on several factors such as the capacity of the system, the type of solar panels used, and the available sunlight. On average, for residential installations, a solar energy system typically requires around 100-400 square feet of roof space per kilowatt (kW) of solar capacity. However, ground-mounted systems can require more space, especially for larger installations. It is essential to conduct a site evaluation to determine the specific space requirements for a solar energy system.
- Q: What is the impact of tree shade on the performance of solar panels?
- The performance of solar panels can be greatly affected by the presence of tree shade. When trees cast shadows on solar panels, their ability to convert sunlight into electricity is significantly diminished. This occurs because the shade prevents direct sunlight from reaching the panels, resulting in a decrease in overall efficiency. Shade on solar panels gives rise to a phenomenon called "partial shading," where only a portion of the panel is shaded. In such cases, the shaded section acts as an obstacle, limiting the unshaded portion from producing electricity at its full potential. Consequently, the solar panel system experiences a decline in energy production. Furthermore, tree shade can cause an imbalance in the output of solar panels that are connected in series. When one panel is shaded, it becomes a bottleneck for the flow of electricity, leading to a significant decrease in the performance of the entire series. As a result, the overall energy generation of the solar system is compromised. It is important to note that the impact of tree shade on solar panels varies depending on various factors, such as the intensity and duration of the shade, the orientation and tilt angle of the panels, and the efficiency of the panels themselves. Additionally, advancements in solar panel technology, such as the use of bypass diodes in modern systems, can help alleviate the negative effects of shading to a certain extent. To optimize the performance of solar panels in the presence of tree shade, careful consideration must be given to the placement and design of the solar panel system. This may involve actions like trimming or removing trees that cast shade on the panels, adjusting the tilt angle of the panels to minimize shading, or exploring alternative installation locations where shade is less of a concern. In conclusion, tree shade can significantly impact the performance of solar panels by reducing their efficiency and energy production. Therefore, it is crucial to thoroughly evaluate the effects of shade when planning and designing a solar panel installation to maximize its effectiveness.
- Q: How do solar energy systems affect the electrical grid?
- Solar energy systems can have both positive and negative effects on the electrical grid. On one hand, they contribute to the diversification of the energy sources, reducing reliance on fossil fuels and promoting sustainability. Solar power can also help meet peak demand during sunny periods, thereby reducing strain on the grid. However, the intermittent nature of solar energy production can create challenges for grid operators in balancing supply and demand. Excess solar energy during low demand periods may need to be curtailed or stored, while insufficient solar production during high demand periods may require backup power sources. Overall, solar energy systems require careful integration and management to ensure their optimal contribution to the electrical grid.
- Q: What are the disadvantages of using solar energy systems?
- Solar energy systems offer numerous benefits, but it is important to consider the drawbacks as well. There are several disadvantages associated with using solar energy systems, including the following: 1. High initial costs: The installation and setup of solar panels and necessary equipment can be expensive. This can be a significant investment for homeowners or businesses, making it less viable for those with limited financial resources. 2. Dependence on sunlight: Solar energy systems rely on sunlight to generate electricity. As a result, energy production can be intermittent, as they do not generate electricity during cloudy days or at night. To overcome this limitation, energy storage systems or backup power sources are needed, which can increase costs. 3. Space requirements: Large-scale solar energy systems require a significant amount of space for installation. This can be a challenge in densely populated areas or places with limited land availability. Additionally, rooftop installation may not be possible for buildings with structural limitations or in shaded areas. 4. Environmental impact of manufacturing: While solar energy systems produce clean and renewable energy, the manufacturing process can have environmental consequences. The production of solar panels involves the use of potentially hazardous materials and requires a significant amount of energy. The disposal of these panels at the end of their lifespan also presents environmental challenges. 5. Performance variability: The efficiency of solar panels can vary depending on factors such as location, weather conditions, and maintenance. Dust, debris, or shading can reduce their efficiency, necessitating regular cleaning and maintenance. 6. Limited energy storage capacity: Storing excess energy generated by solar panels is vital for consistent power supply during periods of low sunlight. However, current energy storage technologies, such as batteries, have limited capacity and can be expensive, restricting the ability to store large amounts of energy for later use. 7. Geographic limitations: Not all regions receive the same amount of sunlight, which affects the efficiency and effectiveness of solar energy systems. Areas with low solar radiation or extreme weather conditions may not be suitable for efficient harnessing of solar energy. Despite these disadvantages, ongoing technological advancements and research aim to address these challenges and make solar energy systems more accessible, efficient, and cost-effective.
- Q: Can solar energy systems be used in areas with limited access to solar surge protection devices?
- Yes, solar energy systems can be used in areas with limited access to solar surge protection devices. While surge protection devices are important for protecting solar panels and other system components from power surges and voltage spikes, there are alternative methods to mitigate the risks. These can include using high-quality solar inverters with built-in surge protection, implementing proper grounding techniques, and adhering to best practices in system design and installation. Although having access to surge protection devices is ideal, it is not a definitive requirement for the deployment of solar energy systems in areas with limited access to such equipment.
- Q: How does the size of solar panels impact energy production?
- Energy production is directly affected by the size of solar panels, as it dictates the quantity of sunlight that can be captured and transformed into electricity. Solar panels of larger dimensions possess a greater surface area, enabling them to absorb a larger amount of sunlight and generate a higher electricity output. Consequently, larger panels have the capability to produce more energy in comparison to smaller ones. Moreover, larger panels can accommodate a greater number of solar cells, thereby further augmenting their energy production capacity. Nevertheless, it is crucial to consider the available space, cost, and specific energy requirements when determining the appropriate size of solar panels.
- Q: What is the payback period for installing a solar energy system?
- The payback period for installing a solar energy system can vary depending on various factors such as the initial cost of the system, the amount of energy it generates, and the cost of electricity in your area. However, on average, the payback period for a residential solar energy system is typically between 5 to 10 years. This means that it takes around 5 to 10 years for the savings on your electricity bills to equal the upfront cost of installing the system. After the payback period, you can enjoy free or significantly reduced electricity costs for the remaining lifespan of the system, which is typically around 25 to 30 years. It is important to note that government incentives, tax credits, and net metering programs can further reduce the payback period and increase the overall financial benefits of installing a solar energy system.
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BP Solar Energy Systems 70w Poly Small Solar Panels - Stocked with Good Quality
- Ref Price:
-
- Loading Port:
- China main port
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 1 watt
- Supply Capability:
- 10000000 watt/month
OKorder Service Pledge
Quality Product, Order Online Tracking, Timely Delivery
OKorder Financial Service
Credit Rating, Credit Services, Credit Purchasing
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