A-Grade Poly Solar Panel 20W with 12 Years Warranty - Solar Materials and Solar Cells
- Ref Price:
-
- Loading Port:
- Shanghai
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 100 watt
- Supply Capability:
- 1000 watt/month
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Specification
Material:
Polycrystalline Silicon
Max. Power(W):
20
Number of Cells(pieces):
36
Poly Solar Panel 20W A Grade with 12 Years Warranty
Production description
Commercial concentrated solar power plants were first developed in the 1980s. The 392 MW Ivanpah installation is the largest concentrating solar power plant in the world, located in the Mojave Desert of California. The 579 MW Solar Star, nearRosamond, California, is the world's largest PV power station.Photovoltaics were initially solely used as a source of electricity for small and medium-sized applications, from the calculator powered by a single solar cell to remote homes powered by an off-grid rooftop PV system. As the cost of solar electricity has fallen, the number of grid-connected solar PV systems has grown into the millions and utility-scale solar power stations with hundreds of megawatts are being built. Solar PV is rapidly becoming an inexpensive, low-carbon technology to harness renewable energy from the Sun.
Application
Commercial
Industrial
Residential
Product Feature
12 years quality warranty 25 years performance output.
Free for less than 5 pcs sample requirement
Free to replace or repair or refund if products fail to conform to the PI requirement.
Packaging
28pcs into carton 2carton into pallets 28pallets into a 40ft container
Delivery
After 25 days for manufacturered goods as soon as we received full payment.
After 10 days for stock goods as soon as we received full payment.
- Q:I bought a new poly solar cells, and the test result of the conversion efficiency is 16.8%, is it lower than usual?
- I don't think it's lower than normal, 16.8% is pretty common in most of the power plants in my area.
- Q:Can solar cells be damaged by hail or strong winds?
- Yes, solar cells can be damaged by hail or strong winds. Hailstones can crack or break the glass surface of solar panels, while strong winds can potentially dislodge or damage the panels themselves. It is important to ensure proper installation and quality materials to minimize the risk of damage from these weather conditions.
- Q:What is the efficiency of a typical solar cell?
- The efficiency of a typical solar cell varies, but it generally ranges between 15% to 20%.
- Q:I know that solar cells are produced by DC and then converted into alternating current through the inverter, who explains why the solar cell is produced by DC?
- The electrons in the outer layer of the semiconductor nuclei are absorbed into the high energy level when they are exposed to light. The unstable electrons are returned to the semiconductor by the external circuit. The direction of the movement of the electrons in the external circuit is determined.
- Q:How are solar cells made?
- Solar cells are typically made using a process called photovoltaic (PV) technology, which involves the assembly of semiconductor materials, usually silicon, into thin layers. The silicon is purified and then shaped into wafers, which are then treated with various dopants to create the desired electrical properties. Metal contacts are added to these wafers, and the cells are encapsulated with protective materials. When sunlight hits the cell, the photons from the sunlight create an electric field across the layers, generating electricity.
- Q:How do solar cells impact job creation?
- Solar cells impact job creation by creating a demand for skilled workers in the solar industry. As the adoption of solar energy grows, more jobs are created in manufacturing, installation, maintenance, and research and development of solar cells. This not only helps stimulate the economy but also provides employment opportunities for individuals in a rapidly expanding sector.
- Q:On the parallel connection of solar cells
- Whether you say more than one solar cell is in series or parallel, it depends on your use requirements to decide if the parameters of solar cells are basically the same, and you need a relatively high "use" voltage, that can The battery in series, if you need a larger operating current and the voltage does not need high, you can connect multiple solar cells in parallel to get a higher output current;
- Q:What is the role of charge controllers in solar cell systems?
- The role of charge controllers in solar cell systems is to regulate and optimize the charging process of the batteries connected to the solar panels. They monitor the voltage and current levels from the panels and ensure that the batteries are charged efficiently and safely. Charge controllers also protect the batteries from overcharging, over-discharging, and other potential damage, ultimately extending their lifespan.
- Q:Can solar cells be used for powering electric gates?
- Yes, solar cells can be used to power electric gates. Solar cells convert sunlight into electricity, which can be stored in batteries or directly used to power various devices. By installing solar panels near the gate, the generated electricity can be utilized to operate and control electric gates, providing a sustainable and reliable source of power.
- Q:What is the role of solar cells in solar-powered water heaters?
- The role of solar cells in solar-powered water heaters is to capture sunlight and convert it into electricity. This electricity is then used to power the heating element or pump in the water heater, allowing it to heat water using clean and renewable energy from the sun.
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A-Grade Poly Solar Panel 20W with 12 Years Warranty - Solar Materials and Solar Cells
- Ref Price:
-
- Loading Port:
- Shanghai
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 100 watt
- Supply Capability:
- 1000 watt/month
OKorder Service Pledge
Quality Product, Order Online Tracking, Timely Delivery
OKorder Financial Service
Credit Rating, Credit Services, Credit Purchasing
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