Small Solar Panels for Lights:240W Polycrystalline Solar Module
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- Loading Port:
- SHANGHAI
- Payment Terms:
- TT or LC
- Min Order Qty:
- 6000 watt
- Supply Capability:
- 10000000 watt/month
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Description:
Solar modules use light energy (photons) from the sun to generate electricity through the photovoltaic effect.
The majority of modules use wafer-based crystalline silicon cells or thin-film cells based on cadmium telluride or silicon.
The structural (load carrying) member of a module can either be the top layer or the back layer.
Cells must also be protected from mechanical damage and moisture. Most solar modules are rigid, but semi-flexible ones are available,
based on thin-film cells. These early solar modules were first used in space in 1958.
CNBM Solar photovoltaic (PV) Panel is designed for large electrical power requirements.
It is the optimal choice for both on-grid and off-grid power systems.
CNBM Solar panel offers high performance of power per square foot of solar array.
Monocrystalline silicon(c-Si): often made using the Czochralski process. Single-crystal wafer cells tend to be expensive,
and because they are cut from cylindrical ingots, do not completely cover a square solar cell module without a substantial waste of refined silicon.
Hence most c-Si panels have uncovered gaps at the four corners of the cells.
Characteristics of Solar Monocrystalline
I. Solar Cell : High efficiency crystalline solar cell.
Even if under the weak light, the solar module can produce maximum power output.
II. Tempered glass (toughened glass): Anti-reflecting coating and high transmission rate glass increase
the power output and mechanical strength of solar module.
III. EVA and TPT: Using high quality EVA and TPT to prevent destroying and water.
IV. AI frame: Without screw, corner connection. 6 holes on the frame can be installed easily.
V. Junction box: Multi function junction box with water proof.
VI. Long lifetime: ≥25 years; Less power decrease.
VII. Good performance of preventing from atrocious weather such as wind and hails.
VIII. Resisting moisture and etching effectively, not effected by geology.
IX. The certificate issued by international authority: UL, TUV, IEC, VDE, CE.
Characteristics | Unit | 240W |
Maximum Power (Pmax) | W | 240 |
Power Tolerance | W | (0,+5) |
Maximum Power Voltage (Vmp) | V | 30.50 |
Maximum Power Current (Imp) | A | 7.86 |
Open Circuit Voltage (Voc) | V | 37.70 |
Short Circuit Current (Isc) | A | 8.50 |
Module Efficiency (ηm) | % | 16.35 |
Dimension of module | mm | 1480*992*40mm(64.6*39.1*1.6inch) |
Pmax Temperature Coefficient | %/C | -0.44 |
Voc Temperature Coefficient | %/C | -0.32 |
Isc Temperature Coefficient | %/C | 0.44 |
Maximum System Voltage | VDC | 1000(TUV);600(UL) |
Maximum Series Fuse Rating | A | 15 |
Operating Temperature | C | -40~ +85 |
NOCT | C | 45±2 |
STC:1000W/m2.AM1.5 and 25C cell temperature, NOCT : Nominal Operating Cell Temperature | ||
FAQ:
1. How long will my inquiry get response?
Your inquiry related to our products or prices will be replied within 24 hours.
2. Can I get professional service and suggestion?
Well-trained and experienced staffs to answer all your questions in fluent English.
3. Do you accept OEM or customized design?
OEM & ODM, any your customized lightings we can help you to design and put into product.
4. What if I need specific design?
Distributorship are offered for your unique design and some our current models.
- Q: Are there any limitations to the lifespan of solar panels?
- Yes, there are limitations to the lifespan of solar panels. Over time, solar panels experience a gradual decrease in efficiency due to factors like exposure to environmental elements, wear and tear, and potential manufacturing defects. Additionally, the materials used in solar panels may degrade over time, which can affect their performance and overall lifespan. However, with proper maintenance and regular inspections, solar panels can typically last for 25 to 30 years or even longer.
- Q: What is the principle of solar panels work?
- Solar power generation There are two ways of solar power generation, one is the light - heat - electricity conversion, the other is the optical - electrical direct conversion.
- Q: My project needs to build a thermal solar panel that would be used as a demonstrational rig. The dimensions i am allowed do not allow me to use a normal thermal solar panel so i have decided to use the heat exchanger from the back of a fridge. Although this is possible to use what equation would i use to prove the power of the sun would actually heat up the water. More importantly when the rig is demonstrated to students, they will need to be able to determine if the raise in temperature given by the thermometers is what should be given. Variables of the rig will include: Angle of the panel, Light intensity, Direction of panel, and more importantly the flow rate of the water travelling through the pipes. What equation includes those variables (change in temperature, flow rate) and would allow me to incorporate the angle of the panel. The light source would be a lamp so i would also need to know how much of the energy from the lamp is actually being used by the panel?
- solar panels don't store energy, they only generate it. If you want to store energy you need a battery bank of some kind to get you through the night and anytime the sun isn't shining. If you have a little extra in the budget you might look at a geothermal system for your home's heating and cooling needs. They're highly efficient systems and you can supplement however you like. Whatever you do, though I hope you have a good building envelope in place already. Solar panels are cool, but if you have a leaky house, you're still not getting the best out of your panels. Do the more mundane stuff first. Insulation, windows, and weather-tight doors.
- Q: We have LED at the output of 40 watts and is used for 0 hours giving us 400 Watts-hr of energy consumed.Rechargable batteries needed are 2 V. 400/2 gives us 34 Ampere-hour battery needed. If we want it for 3 days, It would be 34x3=00 Ah. So the battery needed 00 AhNow how do I select the solar panel which can charge this/these batteries? What should be its rating?
- Be aware that you cannot discharge the full capacity of a lead-acid battery without destroying the battery. With a normal battery of this type, you would only want to discharge about 20%, so you would need a 70 AH battery bank. For the 3-day requirement, 500 AH. This is still within reason. If you didn't have the 3-day requirement, you might consider going with NiMH batteries. Back to the 500 AH bank, you would usually charge at at least 5% C, or 25 amps. At the 5 volts that you need for charging, this is 375 watts. Possibly you could go as low as 200 watts.
- Q: Can solar panels be installed on multi-story buildings?
- Yes, solar panels can be installed on multi-story buildings. In fact, multi-story buildings can provide ample space for solar panel installations, allowing for increased energy generation and potential cost savings. However, it is necessary to consider factors such as available roof space, structural integrity, and shading issues to ensure optimal positioning and efficiency of the solar panels.
- Q: Can solar panels be used in agriculture?
- Yes, solar panels can be used in agriculture. They can provide electricity for irrigation systems, power farm equipment, and greenhouse lighting, among other applications. Additionally, solar panels can help reduce farmers' reliance on fossil fuels and contribute to a more sustainable farming practice.
- Q: How do solar panels affect the insurance premiums of a property?
- Solar panels can have both positive and negative effects on insurance premiums. On one hand, having solar panels installed on a property can increase its overall value, which may lead to higher replacement costs in case of damage or loss. This could potentially increase insurance premiums. However, many insurance companies also offer discounts for properties with solar panels, as they are considered a risk mitigation measure. The extent to which solar panels affect insurance premiums can vary depending on the specific policies and guidelines of the insurance provider.
- Q: if i was to put a solar panel (sp) just outside of the earths atmosphere ans another solar panel (sp2) 0km away towards the sun. which one would generate more power (sp or sp2)? and how much more? is there a ratio to work out the power output and distance from the sun? would the 0km distance between the panels make a large difference in power output?many thanks in advance
- Guide okorder /
- Q: How do solar panels impact the environment?
- Solar panels have a positive impact on the environment as they generate clean, renewable energy without emitting harmful greenhouse gases or pollutants. They help reduce reliance on fossil fuels, decrease air and water pollution, and combat climate change, making them a sustainable and environmentally friendly choice for energy production.
- Q: I want to put a solar panel(s) on my roof. What components do I need besides the solar panels? solar power controller? wires? How do I hook it into my home's electrical system and about how much electricity could I generate and save? Would the panels pay for themselves over time? Any help will be appreciated. Thank you!
- solar panels are VERY heavy and can be very complicated, youll need a professional. your roof may need to be reinforced to handle the weight added. some states like Arizona will pay for the system for you.you could use solar power to heat the water in the house and everything else off the power company. if you do, get one with a glycol heat transfer solution. they heat more efficiently.
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Small Solar Panels for Lights:240W Polycrystalline Solar Module
- Ref Price:
-
- Loading Port:
- SHANGHAI
- Payment Terms:
- TT or LC
- Min Order Qty:
- 6000 watt
- Supply Capability:
- 10000000 watt/month
OKorder Service Pledge
OKorder Financial Service
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