• 10w-20w Roof Solar Panels for Sale from China Manufacturer System 1
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10w-20w Roof Solar Panels for Sale from China Manufacturer

10w-20w Roof Solar Panels for Sale from China Manufacturer

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Loading Port:
Shanghai
Payment Terms:
TT OR LC
Min Order Qty:
2500 watt
Supply Capability:
10000000 watt/month

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Specification

Material:
Polycrystalline Silicon
Max. Power(W):
20
Number of Cells(pieces):
36
Solar Module Summarize

Solar Module is the core part of solar PV power systems, also is the highest value part of it. The function of Solar Module is to convert the sun's radiation to electrical energy, or transfer it to battery and store in it, or to drive the load running.
The Product has been widely used in space and ground, it mainly used for power generation systems, charging systems, road lighting and traffic signs areas. It could offer
a wide range of power and voltage, and with high conversion efficiency, and long service life.

Technical Parameter:

Model Type

Good   Quality 185W Solar Panel

Peak Power-Pmax(W)

185W

Open Circuit Voltage-Voc(V)

44.2

Maximum Power Voltage-Vmp(V)

36

Short Circuit Current-Isc(A)

5.4

Maximum Power  Current-Imp(A) 

5

Maximum System Voltage

1000V DC

Maximum Series Fuse Rating

10A

Power Tolerance

 -1~+3%

Temperature Coefficients of Pmax

 -0.45%/

Temperature Coefficients of Voc

 -0.348%/

Temperature Coefficients of Isc

0.031%/

Nominal Operating Cell Temperature

44.5±2

Standard Testing Condition(STC)

Irradiance:1000W/m²;Temperature:25;AM=1.5

Qualification Test Parameters


Operating Temperature

 -40~+85

Storage Temperature

 -40~+85

Pressure Bearing

≥5400Pascal/m²

Wind Bearing

≥5400Pascal/m²

Mechanical Characteristics


Cell Size

Mono 125*125mm±0.5

No.of Cells

72pcs(6*12)

Dimension

1580*808*40mm

Weight

15.5Kg

Glass

3.2mm High Transmission,Low Iron

Frame

Anodized Aluminum Alloy

Junction Box

IP65Rated

Internal Diodes

3 Bypass Diodes

Cable

1*4.0mm² Length 900mm

Production Flow : 

10W-20W Solar Panel Purchase from China Manufacturer

Product Show:

10W-20W Solar Panel Purchase from China Manufacturer

10W-20W Solar Panel Purchase from China Manufacturer

10W-20W Solar Panel Purchase from China Manufacturer

Warranty

Good Quality 185W Solar Panel Manufacture from China

For c-Si panel: 25years output warranty for no less than 80% of performance, 10 years output warranty for no less than  90% of performance. Free from material and workmanship defects within 5 years.

For a-Si panel: 20 years output warranty for no less than 80% of performance, 10 years output warranty for no less than 90% of performance. Free from material and workmanship defects within 2 years.

Q: Can solar panels be used in combination with other renewable energy sources?
Yes, solar panels can be used in combination with other renewable energy sources. This combination, often referred to as hybrid renewable systems, allows for a more reliable and efficient energy production. By integrating solar panels with other sources like wind turbines or hydroelectric power, a diversified energy mix can be created, maximizing the overall energy generation and reducing dependency on a single source.
Q: What is the difference b/w them which one is better .
how much does these pannels way and which are the most efficient?
Q: Can solar panels be used for powering a telecommunications tower?
Yes, solar panels can be used to power a telecommunications tower. Solar energy is a renewable and sustainable source of power that can efficiently generate electricity to meet the energy demands of a telecommunications tower. By harnessing the sun's energy through solar panels, the tower can operate off-grid and reduce its reliance on traditional power sources, making it more environmentally friendly and cost-effective in the long run.
Q: Can solar panels be integrated into building materials?
Yes, solar panels can be integrated into building materials. This integration is known as Building Integrated Photovoltaics (BIPV), where solar panels are designed to blend seamlessly into the architecture of a building, such as being incorporated into windows, roofs, or facades. BIPV offers a dual purpose of generating renewable energy while serving as a functional building material.
Q: Can solar panels be used to power a music festival?
Yes, solar panels can be used to power a music festival. Solar panels generate electricity by converting sunlight into energy, which can be stored in batteries for use during nighttime or cloudy days. By installing a sufficient number of solar panels, a music festival can harness renewable energy to power stages, lighting, sound systems, and other equipment, reducing reliance on traditional power sources and minimizing carbon emissions.
Q: Are there solar panel systems that I can plug directly into my house to help reduce my electricity bill? If so, are they very expensive? Any help would be greatly appreciated!
As per the question, the answer is no. Solar panels are available, they are expensive, they can reduce your energy bill, you can get up to 30% of the expense back from your taxes, but they must be installed by a qualified electrician or solar panel installer to work properly.
Q: Can solar panels be installed on a theme park or amusement park?
Yes, solar panels can be installed on a theme park or amusement park. In fact, many theme parks around the world have already installed solar panels to generate clean and renewable energy. This not only helps to reduce their carbon footprint and dependence on fossil fuels but also saves them money on electricity bills in the long run. Additionally, solar panels can be integrated into the design of the park, complementing its aesthetic appeal and showcasing the park's commitment to sustainability.
Q: Are photovoltaic cells the same as solar panels?
Solar panels are covered with photovoltaic cells that convert sunlight into electricity. So photovoltaic cells are part of solar panel. renewableenergyarticles.blogspot....
Q: Can solar panels be used in areas with high levels of noise or vibration?
Yes, solar panels can be used in areas with high levels of noise or vibration. Solar panels are designed to withstand various environmental conditions, including noise and vibration. However, it is important to ensure that the mounting structure and installation are done properly to minimize any potential impact on the panels' performance.
Q: I have in mind a small solar panel that could be plugged into a wall socket. Do I need a converter or some kind of interference between the two power sources so there aren't any unpleasant explosions? I don't know much about this sort of thing so please be nice.
You're quite right that the solar panel can't be directly connected. I sense that you want to start small, but unfortunately, it's hard enough to make a system with a dozen or more panels pay back. (It can, we have a system...) But with just one panel, maybe a small one, the economy of scale is gone. You need to buy a grid-tie inverter, which watt-for-watt will be more expensive than a regular size one, and for a small panel, the $$/watt value will be poor. There are some [illegal in most places] tiny grid-tie inverters that I see advertised on the web from time to time, with an ordinary plug that goes into the wall. Those are generally against electrical codes, and the danger is real. There is also a crop of micro-inverters being sold by companies such as Enphase. These are legitimate products, but will still be costly per watt, and ultimately, it will be hard to have a net savings over time with just one panel. Have you already taken the conservation steps like LED light bulbs, efficient appliances (especially refrigerator), insulation, and using a power strip to turn off loads that are not being used? That stuff isn't sexy, but saves money fast.

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