White Solar Cells 250W Poly Solar Panel with 25 Years Warranty CNBM
- Ref Price:
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- Loading Port:
- Qingdao
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 10 set
- Supply Capability:
- 300000 set/month
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Polycrystalline Solar Modules
CNBM offers a range of small, medium and large polycrystalline solar modules, designed for a range of requirements.
Specifications:
Tolerance | +/-3% |
Cell | Polycrystalline silicon solar cells (156 x 156mm) |
N0. of Cells | 60 (10 x 6) |
Dimension of Modules (mm) | 1650 x 990 x 40 |
Weight (kg) | 25.5 |
Limits:
Operating Temperature | -40~+85? |
Storage Temperature | -40~+85? |
Maximum System Voltage | 1000 VDC max. |
Hail Impact | Diameter of 28mm with impact speed |
Temperature and Coefficients:
NOCT | 48C+/-2? |
Voltage temperature coefficient (%/K) | -0.35 |
Current temperature coefficient (%/K) | 0.05 |
Power temperature coefficient (%/K) | -0.45 |
Characteristics:
Model: | SGM-200P | SGM-210P | SGM-220P |
Max-power voltage Vmp (V) | 29.2 | 29.4 | 29.41 |
Max-power current Imp (A) | 6.85 | 7.14 | 7.48 |
Open-circuit voltage Voc (V) | 36.5 | 36.69 | 36.9 |
Short-Circuit Current Isc (A) | 7.28 | 7.6 | 7.93 |
Max-power Pm(W) | 200 | 210 | 220 |
Model: | SGM-230P |
Max-power voltage Vmp (V) | 29.8 |
Max-power current Imp (A) | 7.72 |
Open-circuit voltage Voc (V) | 37.31 |
Short-Circuit Current Isc (A) | 8.19 |
Max-power Pm(W) | 230 |
STC: Irradiance 1000W/m2, module temperature 25?, AM-=1.5
Poly Crystalline Solar Panels Specifications Range
Maximum Power (Pm) | Dimension | Weight | Operating Voltage (Vmp) | Operating Current (Imp) | Open Circuit Voltage (Voc) | Short Circuit Current (Isc) |
0.45W | 140x80x10mm | 0.08kg | 3.3V | 150mA | 4.6V | 160mA |
1.0W | 162x140x10mm | 0.16kg | 7.5V | 150mA | 10.3V | 160mA |
4.5W | 269x251x23mm | 0.8kg | 16.5V | 0.27A | 20.5V | 0.3A |
10W | 420.1×268.9×22.6mm | 1.92kg | 17.5V | 0.58A | 20.5V | 0.6A |
20W | 425x502x50mm | 3.0kg | 16.8V | 1.19A | 21.0V | 1.29A |
30W | 593x502x22.6mm | 3.9kg | 16.8V | 1.78A | 21.0V | 1.94A |
40W | 655x537x50mm | 5.75kg | 17.3V | 2.31A | 22.1V | 2.54A |
50W | 839x537x50mm | 6.0kg | 17.5V | 2.9A | 21.8V | 3.17A |
65W | 1111x502x50mm | 7.2kg | 17.6V | 3.69A | 22.1V | 3.99A |
80W | 1204x537x50mm | 7.7kg | 17.6V | 4.55A | 22.1V | 4.8A |
- Q: How do solar cells perform in areas with high levels of humidity?
- Solar cells generally perform slightly less efficiently in areas with high levels of humidity. The moisture in the air can reduce the amount of sunlight reaching the cells and increase the chances of dust and dirt accumulation on the surface, both of which can hinder their performance. However, technological advancements have been made to mitigate these effects, and solar cells can still generate significant electricity even in humid regions.
- Q: What are the maintenance requirements for solar cells?
- The maintenance requirements for solar cells are minimal. They generally require regular cleaning to remove dust or debris that may accumulate on the surface, and occasional inspection to ensure proper functioning and detect any signs of damage or wear. Additionally, it is recommended to check the connections and wiring periodically to ensure they are secure. Overall, solar cells are known for their durability and low maintenance needs.
- Q: How do solar cells handle partial shading?
- Solar cells handle partial shading by using bypass diodes. These diodes help redirect the flow of current around shaded areas, minimizing the impact of shading on the overall system performance.
- Q: How do solar cells handle electromagnetic pulses?
- Solar cells are generally not designed to handle electromagnetic pulses (EMPs) directly. EMPs can cause a sudden surge in electrical energy, which can potentially damage or destroy electronic devices, including solar cells. However, solar cells usually have built-in protection mechanisms and are often shielded by other components in a solar panel system, such as inverters or charge controllers, which can help mitigate the effects of EMPs. Additionally, the impact of EMPs on solar cells can vary depending on factors such as the magnitude and proximity of the pulse, as well as the quality and design of the solar cell system.
- Q: Can solar cells be damaged by hail or other weather conditions?
- Yes, solar cells can be damaged by hail or other severe weather conditions. Hail can cause physical damage to the surface of solar cells, such as cracks or breakage, which can reduce their efficiency or render them completely non-functional. Additionally, extreme weather conditions like hurricanes or strong winds can also dislodge or damage solar panels, impacting their performance. Therefore, it is essential to consider the durability and resilience of solar panels when installing them in areas prone to severe weather.
- Q: Can solar cells be used to power medical devices?
- Yes, solar cells can certainly be used to power medical devices. Solar-powered medical devices provide a sustainable and reliable source of energy, especially in remote or resource-limited areas where access to electricity may be limited. By harnessing the sun's energy, solar cells can power various medical devices such as diagnostic tools, monitoring systems, prosthetics, and even small surgical instruments. Solar power offers great potential for enhancing healthcare delivery and improving access to medical services globally.
- Q: What is the payback period for solar cell installations?
- The payback period for solar cell installations typically varies depending on factors such as the cost of installation, local electricity rates, and available incentives. On average, it ranges from 5 to 10 years, but in some cases, it can be as short as 3 years or as long as 15 years.
- Q: How do solar cells perform in areas with high humidity and saltwater exposure?
- Solar cells generally perform well in areas with high humidity and saltwater exposure. However, prolonged exposure to high humidity and saltwater can potentially degrade the performance and lifespan of solar cells. The humidity can cause moisture to accumulate on the surface of the solar panels, leading to reduced efficiency. Additionally, saltwater exposure can corrode the metal components of the solar cells, further impacting their performance. To mitigate these issues, manufacturers often use corrosion-resistant materials and coatings for solar panels deployed in coastal regions or areas with high humidity. Regular maintenance and cleaning can also help ensure optimal performance in such environments.
- Q: I bought a new poly solar cells, and the test result of the conversion efficiency is 16.8%, is it lower than usual?
- Since you mentioned that your poly solar cells is a newly bought one, I strongly recommend you to ask your supplier.
- Q: Can solar cells be used in telecommunications?
- Yes, solar cells can be used in telecommunications. They can power various telecommunication devices such as cell phones, radio transmitters, satellites, and remote communication systems, especially in areas with limited access to electricity grids. Solar energy can be harnessed to charge batteries or directly power these devices, providing a reliable and sustainable source of energy for telecommunications.
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White Solar Cells 250W Poly Solar Panel with 25 Years Warranty CNBM
- Ref Price:
-
- Loading Port:
- Qingdao
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 10 set
- Supply Capability:
- 300000 set/month
OKorder Service Pledge
OKorder Financial Service
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