San Antonio Solar Panels - 300w High Efficiency Poly Solar Panel for Power Plant

San Antonio Solar Panels - 300w High Efficiency Poly Solar Panel for Power Plant System 1

San Antonio Solar Panels - 300w High Efficiency Poly Solar Panel for Power Plant

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Loading Port:: Shanghai

Payment Terms:: TT OR LC

Min Order Qty:: 100 watt

Supply Capability:: 10000 watt/month

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Product Description

300W solar panel/module for on grid solar power plant.

Quality Ensurance:
1. Excellent A Grade solar cell from Motech or Hanwha solar.
2. Excellent backsheet;
3. EVA from Bridgestone / First;
4. Junction box with UL and TUV listed - GZX, IP65;
5. High transmission low iron tempered glass;
6. Solar panels with TUV, CE, ISO9001 certified.

Strong, lightweight aluminum frame design with reinforced sealing and load hold to prevent freezing and warping, and stand against high wind.

Under (STC): Irradiance-1000W/m2, Am1.5 and 25º C cell temperature
Operation Temperature: -40 ~ +85° C
Storage Temperature: -40 ~ +85° C

Mechanical Specification:
Dimension: 1665mm(L) x 991mm(W) x 50mm(H)
Weight: 20.8KG
Polycrystalline: 156*156 mm

Number of solar cells: 72 cells

Why choosing us:
1.Excellent quality, competitive price, prompt delivery, on-time service and good reputation.
2.Fast sample delivery
3.Low minimum order
4.Fast shipment in 15~20 days on receipt of your payment.
5.We are the supplier of the topest sellers.
6.We offer knowledgeable tech support before and after the sale.
7.We manufacture the complete line of solar modules ranging from 3w to 300w with TUV, and IEC approval, offering the full spectrum sizes,solar panels are as efficient as other competitors, but far cheaper-without skimping on quality.
8.Solar panels with good performance Promotion every year.

Warranty:
Material and workmanship: Five years

Output of 90% after 10 years , 80% Efficiency after 25 years.

Performance Data
Rated Power(Pm)		300W
Power Tolerance(PT)		± 3%
Nominal Voltage(NV)		37V
Design Life		25 years
Electrical Characteristics
Maximum Power [Pm]	300W± 3%
Maximum Power Voltage [Vmp]	37V± 3%
Maximum Power Current [Imp]	8.11A± 3%
Short-Circuit Current [Isc]	8.64A± 3%
Open-Circuit Voltage [Voc]	44.5V± 3%
Current Temperature Coefficient	0.08%/º C
Voltage Temperature Coefficient	- 0.32%/º C
Power Temperature Coefficient	-0.38%/º C
Maximum System Voltage	1000V

Q: I am confused. I am planning to build a simple 2Watt solar system to power some lights in my house. . I wonder if it is possible to power up a 2Watt bulb using 2Watt solar power?2. Normally, when we are reading the power rating of a bulb, we will read the wattage, so what about the voltage and current rating?3. If the current is insufficient, will the bulb light up?I am having a solar panel that can output 2W power but I am not sure about the output voltage, how can I find out about the current? I am getting really confused.: . Practically no. You have to account for startup current, and losses in the system. Ideally you would size your solar planel to provide the power you need to charge batteries in the day, for your needs at night. 2. Watts=Volts times Amps Really you just need to match the load and supply for volts, and make sure the supply has enough capacity to run your load. Current will take care of itself., in that the load will take what it needs to do its work. 3. It will bring the voltage down, causing the light to be dimmer.

Q: Do solar panels require regular inspections or maintenance checks?: Yes, solar panels do require regular inspections and maintenance checks. These checks ensure that the panels are functioning optimally, identify any potential issues or damage, and allow for timely repairs or cleaning. Regular inspections and maintenance contribute to the longevity and efficiency of solar panels.

Q: Can solar panels be installed in urban areas with limited space?: Yes, solar panels can be installed in urban areas with limited space. There are various innovative solutions available, such as rooftop solar panels, vertical solar panels, and solar panels integrated into building facades. These options allow urban areas with limited space to harness solar energy efficiently and contribute to a more sustainable future.

Q: Ok so i have to solar panels to charge a battery however the panels hooked up in series does charge the battery very slowly because series connections only multiplies the voltage but leaves the current the same. Is there a way i can also hook both of them up in parallel at the same time to multiply the current for faster charge? I know i can do this with 4 panels but i dont want to spend extra. So is there a way to hook up 2 solar panels in series and parallel at the same time? Thanks in advace: No. You can only hook them up as one or the other. Attempting to do both would simply short circuit the panels and you'd get no output at all. Your panels should produce an open circuit voltage in full sun that is almost twice the voltage of the battery you want to charge (it's because solar panels produce the most power at their maximum power point, which is usually about 60% of the open circuit voltage). If a parallel connection does that, then use it, otherwise you'll need to use series. You didn't say what the capacity and voltage of the panels or the size of the battery was. It's quite possible you don't have enough panel - you need panels that will put 5% (at least) of the ampere hours capacity of the battery in as current. For example, if you have a 00 amp-hour battery, you'll need enough panel to put 5 amps in at the voltage of the battery. DK

Q: Can solar panels be used for satellite communication?: Yes, solar panels can be used for satellite communication. Solar panels are commonly used to provide power to satellites, including the communication systems on board. The panels convert sunlight into electricity, which is then used to operate the satellite's communication equipment and other systems.

Q: How do solar panels affect the property's energy resilience?: Solar panels can significantly enhance a property's energy resilience by providing a reliable and sustainable source of electricity. They reduce dependence on the grid, allowing homeowners to generate their own power and potentially store excess energy in batteries. In the event of a power outage or grid failure, solar panels can continue to supply electricity, ensuring uninterrupted energy supply and boosting the property's overall energy resilience.

Q: Can solar panels be installed on a library or educational institution?: Yes, solar panels can be installed on a library or educational institution. In fact, many libraries and educational institutions have already embraced solar energy and installed solar panels on their rooftops or surrounding areas. This helps them reduce their carbon footprint, save on electricity bills, and serve as a sustainable example for the community.

Q: How do solar panels impact the local job market?: Solar panels have a positive impact on the local job market by creating new employment opportunities. The installation, maintenance, and manufacturing of solar panels require a skilled workforce, leading to job growth in these sectors. Additionally, the renewable energy industry stimulates economic development and attracts investments, resulting in job creation across various industries.

Q: How does the size of a solar panel affect its performance?: The size of a solar panel directly affects its performance as a larger panel can capture more sunlight and generate a higher amount of electricity. A larger surface area allows for more solar cells to be integrated, resulting in increased energy production. Additionally, a larger panel can accommodate more efficient components and have a lower resistance, leading to improved overall performance.

Q: The intensity of sunlight at the distance of the Earth's orbit is 380 W/m2. An Earth-orbiting satellite has a solar panel that measures .35 m by 4.86 m, which converts solar energy to electrical energy with an efficiency of 26%. In one hour, how much electrical energy does the panel produce? Assume that the satellite's attitude control jets keep the panel oriented perpendicular to the incoming sunlight.: This is pretty much an exercise in knowing units and dimensional analysis. Watts are in Joules/second. So every second a square with the area(meters^2) of meter^2 receives 380 joules from the sun. In your case the square is the solar panel. So find the area of the solar panel in m^2. If you multiply area times intensity you can see that the meters cancel out and you are left with Watts(J/s). Since you want the Joules received in an hour you again multiply by how many seconds are in an hour. Leaving you with joules. What you have now is the total energy, but your solar panel is only 26% efficient, so just multiply by .26 and you will have your energy.

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