40w Small Solar Panels in Stock China Manufacturer
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- Loading Port:
- China main port
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 1 watt
- Supply Capability:
- 10000000 watt/month
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Item specifice
Product Description:
Hot Sale !!! Quality and Safety of Small Poly Solar Panel 5w~150w
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 35~85w
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 (245-320W) | |||||
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 (245-320W) | |
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 (245-320W) | |
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 (245-320W) | |
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 35~85w
By Sea | Delivery from Shanghai or Ningbo seaport |
By Air | Departure from Shanghai Pudong Airport |
By Express | Post by DHL, EMS, UPS, TNT. |
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
As a professional Solar Panel manufacturer and Supplier in China, we have our customers come around the whole world and our specialization has got a worldwide recognition. Meanwhile, with our superior quality, competitive price, prompt and excellent service, As main role in trade section of CNBM Group, CNBM International Corporation supplies products including Monocrystalline Solar Panel, Polycrystalline Solar Panel ( multicrystalline silicon Solar Panel) have received and enjoyed famous reputation in many countries and regions in the world.
- Q:Can solar energy systems be used for powering water pumping systems?
- Yes, solar energy systems can be used for powering water pumping systems. Solar-powered water pumping systems use photovoltaic (PV) cells to convert sunlight into electricity, which can then be used to power water pumps. This provides a sustainable and cost-effective solution for pumping water in remote areas or locations without access to electricity grids.
- Q:How do solar energy systems impact wildlife?
- Solar energy systems can have both positive and negative impacts on wildlife. On the positive side, they offer renewable energy, reducing the need for fossil fuels and reducing air and water pollution. Additionally, solar panels can provide shelter and shade for certain species. However, there are also negative impacts to consider. Large-scale solar projects can lead to habitat destruction, displacement of wildlife, and disruption of migration patterns. Additionally, the glare from solar panels can disorient birds and insects. To minimize these impacts, it is crucial to carefully plan and design solar projects, considering the needs and habitats of local wildlife.
- Q:How can I calculate the size of a solar energy system for my home?
- To calculate the size of a solar energy system for your home, you will need to consider a few factors. Here are the steps you can follow: 1. Determine your energy consumption: Start by examining your past energy bills to understand your average monthly energy usage in kilowatt-hours (kWh). This will give you an idea of how much electricity your solar system needs to generate. 2. Assess your location: The amount of sunlight your home receives depends on its location. Check the solar resource map for your region to estimate the average daily solar radiation in your area. This information will help you determine the solar panels' efficiency. 3. Calculate your energy needs: Multiply your average monthly energy usage in kWh by 12 to get your annual energy consumption. Divide this number by 365 to find your daily energy consumption. 4. Determine solar panel output: Solar panels have a wattage rating that indicates the amount of power they can generate under ideal conditions. Divide your daily energy consumption by the average daily solar radiation to estimate the number of solar panels you need. For example, if your daily energy consumption is 40 kWh and the average daily solar radiation is 5 kWh/m2, you would need an 8 kW solar system (40 kWh / 5 kWh/m2 = 8 kW). 5. Account for system losses: Solar systems experience losses due to factors such as shading, dirt, and inefficiencies in the inverter. To compensate for these losses, multiply the estimated system size by a derating factor, typically ranging from 0.75 to 0.9. This will give you the final system size you need. 6. Consult with a professional: It is always recommended to consult with a solar energy professional or installer who can conduct a site assessment and provide accurate calculations based on your specific home and energy needs. They will consider additional factors like roof orientation, available space, and local regulations to ensure an optimal solar system size for your home. Remember, the size of your solar energy system also depends on your goals, budget, and available space. A professional consultation will help you make an informed decision and maximize the benefits of solar energy for your home.
- Q:How do solar energy systems contribute to reducing the need for new power plant construction?
- Solar energy systems contribute to reducing the need for new power plant construction by providing a clean and renewable source of electricity. By harnessing the power of the sun, solar energy systems produce electricity without emitting harmful greenhouse gases or pollutants like traditional power plants. This reduces the overall demand for electricity from fossil fuel-based power plants, thereby reducing the need for new power plant construction. Additionally, solar energy systems can be installed on rooftops, unused land, or integrated into buildings, making them versatile and minimizing the need for large-scale power plant infrastructure.
- Q:Can solar energy systems be used for commercial purposes?
- Yes, solar energy systems can definitely be used for commercial purposes. In fact, many businesses and industries around the world are increasingly adopting solar power as a reliable and sustainable source of energy. Commercial solar energy systems can help reduce electricity bills, lower operating costs, and contribute to a company's environmental responsibility. Additionally, various financial incentives and tax benefits are available to businesses that choose to invest in solar energy, making it a viable and economically beneficial option for commercial purposes.
- Q:Can solar energy systems be used in areas with limited access to solar charge controllers?
- Yes, solar energy systems can still be used in areas with limited access to solar charge controllers. While solar charge controllers are important for regulating and managing the charging and discharging of batteries in solar energy systems, there are alternative methods for controlling and optimizing the charging process. These can include the use of manual charge controllers or voltage regulators, as well as implementing proper battery management techniques to prevent overcharging or deep discharging. Additionally, advancements in technology have led to the development of more efficient and resilient solar panels, which can help mitigate the limitations of limited access to charge controllers in such areas.
- Q:Are there any disadvantages of using solar energy?
- Yes, there are a few disadvantages of using solar energy. Firstly, the initial installation cost of solar panels can be quite expensive. Additionally, solar panels can take up a significant amount of space, especially when considering large-scale installations. Furthermore, solar energy generation is dependent on sunlight availability, meaning it may not be as reliable during cloudy days or at night. Finally, the production and disposal of solar panels can have environmental impacts, as they involve the use of certain chemicals and materials.
- Q:Can solar energy systems be installed on multi-story buildings?
- Yes, solar energy systems can be installed on multi-story buildings. In fact, many multi-story buildings have successfully implemented solar panels on their rooftops or façades to harness solar energy and generate electricity.
- Q:What is the impact of bird droppings on the performance of solar panels?
- Solar panels can be significantly affected by bird droppings. When bird droppings land on the panels, they create a layer that blocks sunlight from reaching the photovoltaic cells. This decreases the panels' efficiency and reduces power generation. Bird droppings contain various organic and inorganic substances, which can form a film or crust on the panels' surface. This film traps moisture and dust, further obstructing sunlight and causing additional energy losses. Moreover, the acidic nature of bird droppings can corrode the metallic components of the panels. This corrosion damages the electrical connections and impacts the panels' overall performance and lifespan. To minimize the impact of bird droppings on solar panel performance, regular cleaning and maintenance are crucial. Promptly removing bird droppings is essential for optimal sunlight exposure and preventing potential damage. Additionally, installing bird deterrents like spikes or netting can reduce the frequency of bird droppings on solar panels and mitigate their negative effects.
- Q:Can a solar energy system be installed on a barn or agricultural building?
- Certainly, it is possible to install a solar energy system on a barn or agricultural building. In fact, an increasing number of farmers and agricultural businesses are embracing solar energy to fulfill their electricity requirements. There are numerous advantages to installing solar panels on barns or other agricultural structures. To begin with, barns and agricultural buildings often boast spacious rooftops or open areas, which provide ample room for the installation of solar panels. This enables efficient utilization of solar energy and can result in the generation of a substantial amount of electricity. Additionally, the installation of a solar energy system on a barn or agricultural building can assist in reducing or even eliminating electricity costs for the property. This is particularly advantageous for farmers, who typically have high energy consumption due to the operation of various equipment such as irrigation systems, lighting, ventilation, and machinery. Furthermore, solar energy systems are ecologically friendly and produce clean, renewable energy. By installing solar panels, farmers can significantly decrease their carbon footprint and contribute to a more environmentally sustainable future. Moreover, many governments and utility companies offer financial incentives, grants, or tax credits to encourage the adoption of solar energy systems. These incentives can help offset the initial installation costs and make investing in solar energy more affordable for farmers. Lastly, a solar energy system on a barn or agricultural building can serve as a backup power source during power outages, ensuring uninterrupted critical operations. In conclusion, installing a solar energy system on a barn or agricultural building is not only possible but also highly advantageous. It enables farmers to reduce energy costs, minimize their environmental impact, and potentially generate additional income through incentives or by selling excess electricity back to the grid.
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40w Small Solar Panels in Stock China Manufacturer
- 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
OKorder Financial Service
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