Polycrystalline Solar Panels-45W-Apply to Small Solar System
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- Min Order Qty:
- 10000 watt
- Supply Capability:
- 50000000 watt/month
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Product Description
Solar Polycrystalline Series Panels
Introduction of Polycrystalline Solar Panels
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. Polycrystalline 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 Polycrystalline Solar Panels
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.
Standard Test Conditions of Polycrystalline Solar Panels
The opto-electrical specifications shown below are stabilized values being measured at Standard Test Conditions, Irradiance: 1000W/m2, Spectrum: AM1.5 at 25°C, The info below is subject to manufacturing tolerances. Where appropriate minutes of measurement are available and are used for the dimensioning of the installation.
Advantages of Polycrystalline Solar Panels
1.High reliability with guaranteed -3% to +5% power output tolerance, ensuring return on investment
2. High conversion efficiency based on leading innovative photovoltaic technologies
3. Withstands high wind-pressure and snow load, and extreme temperature variations
4. Attractive appearance Unique frame design, high mechanical strength, and easy Installation
Characteristics of Polycrystalline Solar Panels
Max Power Voltage Vmp (V) | 17.4V | 17.6 V |
Max Power Current Imp (A) | 2.59A | 2.85A |
Open Circuit Voltage Voc (V) | 22.4V | 22.5V |
Short Circuit Current Isc (A) | 2.77A | 3.04A |
Max Power Pm (W) | 45W | 50W |
Temperature Coefficient of Cells
NOCT | 47℃±2℃ |
Temperature Coefficients of Isc (%/℃) | 0.06 |
Temperature Coefficients of Voc (%/℃) | -0.33 |
Temperature Coefficients of Pmp (%/℃) | -0.45 |
Mechanical Data Solar Polycrystalline Series
Power | 45W/50W |
Dimension | 700×510×30mm |
Weight | 4.5 kg |
Tolerance | ±3% |
The dimension of the modules can be changed according to the demand of clients Limits.
Operating Temperature | –45 °C to +80°C |
Storage Temperature | –45 °C to +80°C |
Max System Voltage | 700V |
Guarantee Solar Polycrystalline Series Panels
Products Guarantee | 2 years free from defects in materials and workmanship |
Performance Guarantee | No less than 90% within 10yrs and no less than 80% within 25yrs |
Certificates | IEC, ISO, TUV, CE |
Dimension of Solar Polycrystalline Series Panels
FAQ
We have organized several common questions for our clients，may help you sincerely：
1. What’s price per watt?
A: It’s depends on the quantity, delivery date and payment terms of the order. We can talk further about the detail price issue. Our products is high quality with lower price level.
2. Can you tell me the parameter of your solar panels?
We have different series of cells with different power output, both from c-si to a-si. Please take our specification sheet for your reference.
3. How do you pack your products?
We have rich experience on how to pack the panels to make sure the safety on shipment when it arrives at the destination.
4. What is your warranty system?
Our product performance guarantees for 25 years
• 12 years guarantee for workmanship
• Timeliness of delivery
• Quality Products certified (TÜV, UL, CE, ISO)
5. How do you pack your products?
We have rich experience on how to pack the panels to make sure the safety on shipment when it arrives at the destination.
- Q:How can I calculate the amount of watts needed for a solar panel to power a water and air pump in gal/hr and a 600 watt LED light?
- With you up to solar panel, then things go downhill. Your Water pump will be rated at gal/hr but how about the air pump? 600watt LED? What you need to know in order to select your solar panel is how much current you will be draining. You can work this out if you know how much power and how long they need to run. Please, a bit more information (that is relevant!).
- Q:Can solar panels be installed on a data storage facility or server farm?
- Yes, solar panels can be installed on a data storage facility or server farm. Solar panels can be a sustainable and cost-effective solution to power these facilities, as they can generate electricity from sunlight and reduce reliance on traditional power sources. Additionally, the large surface areas often found on roofs or open spaces of these facilities can provide ample space for solar panel installation.
- Q:How do solar panels affect the property taxes?
- Solar panels can potentially affect property taxes in a couple of ways. In some states or localities, installing solar panels may increase the assessed value of a property, leading to higher property taxes. However, other jurisdictions offer exemptions or incentives that can reduce or eliminate the increase in property taxes associated with solar panel installations. It is advisable to consult with local tax authorities or experts to understand the specific impact on property taxes in a particular area.
- Q:Can solar panels be used in areas with high levels of noise pollution?
- Yes, solar panels can be used in areas with high levels of noise pollution. Noise pollution does not affect the functionality or performance of solar panels.
- Q:I read on CNN's website last year some company was creating a very cheap type of solar panel, that needs minimal maintenance and and has minimal glare from the sun. And the creator of the project said he one day wanted to cover every rooftop in the US with these solar panels. Seems like a good idea to me but I havent heared anything of it for a long time and I don't know what they are called... any help?
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- Q:Can solar panels be installed on a theater or entertainment venue?
- Yes, solar panels can be installed on a theater or entertainment venue. In fact, many theaters and entertainment venues have started adopting solar energy solutions to reduce their carbon footprint and save on energy costs. The large roof spaces found on these buildings often provide ample space for solar panel installations, allowing them to generate clean electricity and contribute to a greener and more sustainable future.
- Q:solar panels or light parts
- They make lights that have solar panels built into them. Due to the solar cell, they can sense when it gets dark and thus switch on the light automatically. Look at Northern Tool or Harbor Freight web sites for ideas.
- Q:trees vs solar panels who would win?
- Solar panels for energy. Wood for building a structure.
- Q:I need a solar panel for my laptop as i am going camping in the desert, and i need my laptop. There are two choices of solar panels, One is 0 watts and 2 V and maximum power current 0.56 amps. The other one is 2 watts, 2 V and no mention of current. My laptop plug says input 00-240V and .5A and then output 5V-5A. Which one should i get for my laptop. If there are other choices please tell me ill look them up on OKorder.Thanks
- I'm afraid neither of these panels will do much for charging or running your laptop. If the power brick is supposed to emit 5 volts at 5 amps, that's 75 watts. Neither of those panels provides enough voltage and the power output is obviously far too small. The capabilities of solar power are vastly overestimated for small panels. Sunlight is limited to about kilowatt per square meter under ideal conditions (summer time, clear blue sky, for a few hours around noon in the US southwest). But consumer panels top out at about 5% efficiency, so your limit is 50 watts per square meter - in other words you would need about half a square meter, or about six square feet, of panel to provide 75 watts. And even under ideal conditions you will only get that much for a few hours each day. Also, the panel's voltage output is not regulated, so even if you find a panel that emits 5 volts (this would actually have to be made up of groups of 30 cells in series, as they emit half a volt each at most) you can't just connect the panel output into your laptop's DC in. You'd need a regulated DC-to-DC supply, and since that is not 00% efficient it will cost a bit of the power... now you need even more panel area. All in all, not really a practical thing to carry along on a camping trip.
- Q:I have an inverter and a battery 20 Amperes.Daily sun shine approx. 7 Hours.Do I need to buy anything or should I connect the solar panel to the Battery direct?
- No, don't connect the panel directly to the battery. You need to isolate the solar panel charging output from the AC-powered charger. A couple of high-current diodes arranged with their anodes connected to the charging sources in the positive supply line will allow either the charger or the solar panel to lift the voltage high enough to charge the battery, albeit with about 0.6 volts dropped across the diode. Both cathode ends would be connected to the battery. This arrangement allows a positive current to flow from either or both charging sources at the same time, although in practice, one will generally be higher than the other. Also, if the AC charger's voltage is significantly higher than the solar panel, the charger may always charge the battery. You would need to regulate its output to be slightly lower than the solar panel when it's near it's minimum useful operating voltage. (note that the 0.6 forward bias voltage on the diode might prevent the solar panel from completely charging the battery if it has any voltage regulation on its output)
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Polycrystalline Solar Panels-45W-Apply to Small Solar System
- Ref Price:
-
- Loading Port:
- Shanghai
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 10000 watt
- Supply Capability:
- 50000000 watt/month
OKorder Service Pledge
OKorder Financial Service
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