250 Watt Photovoltaic Poly Solar Panel supplier
- Loading Port:
- China main port
- Payment Terms:
- TT or LC
- Min Order Qty:
- 1000 watt
- Supply Capability:
- 500000 watt/month
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Item specifice
Instruction
Quality and Safety
1. Rigorous quality control meets the highest international standards.
2. High-transmissivity low-iron tempered glass, strong aluminium frame.
3. Using UV-resistant silicon.
4. IS09001/14001/CE/TUV/UL
5.3w-300w mono & poly solar panel supply
Warranties
1. 10 years limited product warranty
2. 15 years at 90% of the minimal rated power output
3. 25 years at 80% of the minimal rated power output
Feature
1. High efficiency and High power.
2. Long-term electrical stability.
3. Lowest price and Fastest delivery.
4. Good quality and good service.
5.Bulk supply
6. Good Warranty
7.Big Sale
8.High quality
9.More than 35 years on the lifetime.
10 DHL/Fedex/UPS/TNT/EMS etc
Images
Specification
Model | SIM-100 |
Maximum Power at ST(Pmax)W | 100Wp |
Maximum Power Voltage(Vmp)V | 18.0V |
Maximum Power Current(Imp)A | 5.56A |
Open Circuit Voltage(Voc)V | 22.0V |
Short Circuit Current(Isc)A | 5.9A |
Cell Efficiency(%) | 17.0% |
Module Efficiency(%) | 15.37% |
Operating Temperature°C | -40°C to 85°C |
Maximum system voltage | 1000V(IEC)DC |
Power tolerance | -0.03 |
Temperature coefficients of Pmax | -0.45%/°C |
Temperature coefficients of Voc | -0.27%/°C |
Temperature coefficients of Isc | 0.05%/°C |
Weight(kg) | 7.4 |
Number of cell(pcs) | 4*9 |
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). How long can we receive the product after purchase?
In the purchase of product within three working days, We will arrange the factory delivery as soon as possible. The perfect time of receiving is related to the state and position of customers. Commonly 7 to 10 working days can be served.
How do solar cells work?
A solar cell is a sandwich of n-type silicon (blue) and p-type silicon (red). It generates electricity by using sunlight to make electrons hop across the junction between the different flavors of silicon:
When sunlight shines on the cell, photons (light particles) bombard the upper surface.
The photons (yellow blobs) carry their energy down through the cell.
The photons give up their energy to electrons (green blobs) in the lower, p-type layer.
The electrons use this energy to jump across the barrier into the upper, n-type layer and escape out into the circuit.
Flowing around the circuit, the electrons make the lamp light up.
Principles of the working about solar cells
Solar cells convert the sun’s energy into electricity. Whether they’re adorning your calculator or orbiting our planet on satellites, they rely on the the photoelectric effect: the ability of matter to emit electrons when a light is shone on it.
Silicon is what is known as a semi-conductor, meaning that it shares some of the properties of metals and some of those of an electrical insulator, making it a key ingredient in solar cells. Let’s take a closer look at what happens when the sun shines onto a solar cell.
Sunlight is composed of miniscule particles called photons, which radiate from the sun. As these hit the silicon atoms of the solar cell, they transfer their energy to loose electrons, knocking them clean off the atoms. The photons could be compared to the white ball in a game of pool, which passes on its energy to the coloured balls it strikes.
Freeing up electrons is however only half the work of a solar cell: it then needs to herd these stray electrons into an electric current. This involves creating an electrical imbalance within the cell, which acts a bit like a slope down which the electrons will flow in the same direction.
Creating this imbalance is made possible by the internal organisation of silicon. Silicon atoms are arranged together in a tightly bound structure. By squeezing small quantities of other elements into this structure, two different types of silicon are created: n-type, which has spare electrons, and p-type, which is missing electrons, leaving ‘holes’ in their place.
When these two materials are placed side by side inside a solar cell, the n-type silicon’s spare electrons jump over to fill the gaps in the p-type silicon. This means that the n-type silicon becomes positively charged, and the p-type silicon is negatively charged, creating an electric field across the cell. Because silicon is a semi-conductor, it can act like an insulator, maintaining this imbalance.
As the photons smash the electrons off the silicon atoms, this field drives them along in an orderly manner, providing the electric current to power calculators, satellites and everything in between.
- Q:Can solar cells be recycled?
- Yes, solar cells can be recycled. The process involves separating and recovering valuable materials like silicon, silver, and aluminum from the cells. This not only reduces waste but also allows for the reuse of these materials in the production of new solar cells.
- Q:Can solar cells be used to power air conditioning systems?
- Yes, solar cells can be used to power air conditioning systems. Solar panels can generate electricity from sunlight, which can then be used to power air conditioning units. However, the size and efficiency of the solar panel system would need to be carefully considered to ensure it can generate enough electricity to meet the demands of the air conditioning system.
- Q:What is the impact of shading on solar cell performance?
- The impact of shading on solar cell performance is significant as even a small amount of shading can significantly reduce the overall efficiency and output of the solar cell. Shading can create "hot spots" on the cell, leading to increased resistance and decreased current flow. This can result in a loss of power generation and reduced performance. Therefore, it is crucial to minimize shading and ensure unobstructed sunlight exposure to maximize the performance and efficiency of solar cells.
- Q:Can solar cells be installed on any type of roof?
- Yes, solar cells can be installed on any type of roof, including flat, sloped, metal, tile, and asphalt roofs. However, the suitability and feasibility of installation may vary depending on factors such as roof orientation, shading, structural integrity, and local regulations. It is recommended to consult with a professional solar installer to determine the best options for your specific roof type.
- Q:Are solar cells affected by temperature?
- Yes, solar cells are affected by temperature. High temperatures can cause a decrease in the efficiency of solar cells, resulting in a decrease in their power output. This is due to the fact that the performance of the semiconductor materials used in solar cells can degrade at elevated temperatures. Additionally, temperature variations can also lead to thermal stress, which can impact the structural integrity of the solar cells.
- Q:Can solar cells be used for powering disaster relief operations?
- Yes, solar cells can certainly be used for powering disaster relief operations. Solar cells, also known as photovoltaic cells, convert sunlight into electricity, making them a reliable and sustainable source of power. In disaster-stricken areas where the conventional power grid may be disrupted or unavailable, solar cells can provide a clean and renewable energy solution. They can be used to charge batteries, power communication devices, run medical equipment, and provide lighting and electricity for essential services such as shelters, water purification systems, and refrigeration for medical supplies. Furthermore, solar cells are portable and can be easily deployed to remote or inaccessible areas, making them an ideal choice for disaster relief efforts.
- Q:Can solar cells be used to power street lights?
- Yes, solar cells can be used to power street lights. Solar-powered street lights harness sunlight through solar panels and convert it into electrical energy, which is stored in batteries. This stored energy is then used to power the street lights during the night, eliminating the need for a traditional electrical grid connection. Solar-powered street lights are an eco-friendly and cost-effective solution for illuminating roadways.
- Q:What materials are used in solar cells?
- The most common materials used in solar cells are silicon, which is the primary component, along with other materials like metal conductors, glass, and polymers.
- Q:Can solar cells be used at night?
- No, solar cells cannot generate electricity at night as they require sunlight to produce electrical energy.
- Q:Can solar cells be used on rooftops with different orientations?
- Yes, solar cells can be used on rooftops with different orientations. While solar panels typically perform best when facing south, they can still generate electricity on rooftops facing other directions. By adjusting the tilt angle and utilizing advanced tracking systems, solar cells can capture sunlight and convert it into electricity, even when the rooftop orientation is not optimal.
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250 Watt Photovoltaic Poly Solar Panel supplier
- Loading Port:
- China main port
- Payment Terms:
- TT or LC
- Min Order Qty:
- 1000 watt
- Supply Capability:
- 500000 watt/month
OKorder Service Pledge
OKorder Financial Service
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