Factory Directly Sale 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
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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 does the efficiency of solar cells vary with different materials?
- The efficiency of solar cells varies with different materials due to their unique properties and ability to absorb and convert sunlight into electricity. Certain materials, such as monocrystalline silicon, have high efficiency rates due to their ability to efficiently convert a larger portion of sunlight into electricity. On the other hand, materials like amorphous silicon or thin-film solar cells have lower efficiency rates but offer other advantages such as flexibility and cost-effectiveness. Overall, the efficiency of solar cells is heavily influenced by the materials used and their specific characteristics.
- Q:How do solar cells perform in areas with high levels of industrial emissions?
- Solar cells can perform less efficiently in areas with high levels of industrial emissions due to the presence of air pollutants. These emissions can create a layer of grime on the surface of solar panels, reducing their ability to absorb sunlight. Additionally, air pollution can scatter and block sunlight, further reducing the overall performance of solar cells in such areas. Regular cleaning and maintenance of solar panels may help mitigate the impact of industrial emissions on their performance.
- Q:Are solar cells weather-resistant?
- Yes, solar cells are weather-resistant. They are designed to withstand various weather conditions, including rain, snow, and extreme temperatures, without significant damage to their functionality.
- Q:Can solar cells be used in commercial buildings?
- Yes, solar cells can definitely be used in commercial buildings. In fact, the use of solar cells in commercial buildings is becoming increasingly popular as it offers several benefits such as reduced energy costs, environmental sustainability, and a positive brand image. With advancements in technology, solar cells can now be integrated into the design of buildings, ensuring seamless integration and aesthetic appeal. Additionally, various financing options and government incentives make solar installations financially feasible for commercial buildings, further encouraging their adoption.
- Q:What kind of products can be considered as the solar cell products?
- Here are some of the solar cell products I can recall for now:Solar notebook, Solar-powered calculator, Solar-powered desalination unit, Solar-powered radio, Solar-powered refrigerator.
- Q:How do solar cells perform in areas with high humidity and saltwater exposure?
- Solar cells can still perform well in areas with high humidity and saltwater exposure, although their efficiency may be slightly reduced. The moisture in the air and the saltwater can create a thin layer of corrosion on the surface of the solar cells, which can hinder their performance over time. However, advancements in solar cell technology, such as improved coatings and materials, have made them more resilient to these conditions. Regular cleaning and maintenance can also help mitigate the effects of humidity and saltwater exposure on solar cell performance.
- Q:Can solar cells be used in security systems?
- Yes, solar cells can be used in security systems. Solar-powered security systems utilize solar cells to convert sunlight into electricity, which is then stored in batteries for continuous power supply. This allows security systems to operate independently of the electrical grid, making them more reliable and cost-effective in remote or off-grid locations. Additionally, solar-powered security systems are environmentally friendly, reducing dependence on fossil fuels and lowering carbon emissions.
- Q:What is the role of tracking systems in solar cell installations?
- The role of tracking systems in solar cell installations is to optimize the amount of sunlight that reaches the solar panels throughout the day. These systems continuously monitor the position of the sun and adjust the orientation and tilt of the panels accordingly. By tracking the sun's movement, the panels can capture more sunlight and generate higher energy output, increasing the overall efficiency of the solar cell installation.
- Q:How do solar cells perform in coastal environments?
- Solar cells perform well in coastal environments as they are not significantly affected by the presence of saltwater or the salty air. However, the performance can be slightly affected by the increased humidity and the potential for corrosion. Regular maintenance and cleaning can help ensure optimal performance in such environments.
- Q:How do solar cells generate electricity?
- Solar cells generate electricity through a process called the photovoltaic effect. When sunlight hits the solar cell, it excites the electrons in the cell's semiconductor material, causing them to flow and create an electric current. This current is then captured and can be used to power various devices or stored in batteries for later use.
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Factory Directly Sale 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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