• Solar Cells With High Efficiecy with Discount System 1
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Solar Cells With High Efficiecy with Discount

Solar Cells With High Efficiecy with Discount

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Size:156*156±0.5mmMax. Power:3.99wProduct:damaged solar cells
Packaging & Delivery
Packaging Detail:Original Package, 100pcs in one boxes, 10boxes in one carton
Delivery Detail:1~2days
damaged solar cells
solar cells in stock with immediate delivery with big quantity, all range cells avaiable, poly


1,Components,ultra-white Executed tempered glass+PVB+cell+PVB+tempered glass
2,Components with ultra-white Executed tempered glass+PVB+cell+PVB+tempered glass+of PVB+tempered glass


Quality and Safety


1.Rigorous quality control meeting the highest international standards


2.High-transmissivity low-iron tempered glass, strong aluminium frame


3.Using UV-resistant silicon


4.ISO 9001:2008 and ISO 14001:2004


5.IEC61215, IEC61730, Safety Class in conformity to CE




 1.High conversion efficiencies resulting in superior power output performance.

 2.Outstanding power output even in low light or high temperature conditions

 3.Optimized design for ease of soldering and lamination

 4.Long-term stability,reliability and performance




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


Format:        156mm x 156mm

Thickness:    190um+-20um

Front(-):        1.7mm bus bars(silver),blue anti-reflecting coating(silicon nirtride)

back(+):        3mm wide soldering pads(silver) back surface field(aluminium) 


Size156mm x156mm ±0.5mm
Thickness190um ± 20um
Front surface(-)1.7mm bus bars(silver), blue anti-reflecting coating(Silicon nitride)
Back surface (+)3mm wide soldering pads(silver) back surface field(Aluminum)


solar cell Pic. and drawing:



High Quality Damaged Solar Cells With Low Price


Benefits of Solar Power:

Now is a great time to go solar and harvest the power of the sun. Here is our top ten list of the benefits to installing solar power:

1, When installed, solar energy is free – no resources are consumed
2, Help to lessen our dependence on heavily polluting coal power stations
3, Fossil fuels can't last forever, future generations will appreciate the effort
4, You are gaining energy independence - add battery backup power for even greater energy security
5, The cost of electricity is only going to rise – insure against that rising cost
6, Quality solar power and water adds value and appeal to your home
7, Solar PV systems are easily upgraded in future - aim to make your house a net energy producer!
8, Solar panels offer a long lifetime of low maintenance service, maybe 30-40 years
9, Your friends will think you're great!
10, You'll feel great for doing your bit for the environment!


1, What’s price per product ?

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, How to make payment?

We accept T/T or L/C.

3, What is your lead time?

Generally 1-5 weeks depends on the order quantity and your specific requirements.

4, Can you do OEM for us?

Yes, we can.

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.


Some basic information about solar cell

Solar cells are devices which convert solar light energy directly into electricity and function by the photovoltaic effect.  Photo- means light and -voltaic means electrical current or electricity  (light-electricity).  A solar cell provides direct current (DC) electricity that can be used to power DC motors and light bulbs among other things.  Solar cells can even be used to charge rechargeable batteries so that electricity can be stored for later use when the sun is not available. The fully charged batteries are portable energy that can be used whenever and wherever they are needed.

Solar cells provide DC electricity similar to batteries however, batteries differ because they operate through a process known as an electrochemical reaction.  This process will provide an electrical current (electro-) from a chemical reaction (-chemical) that occurs inside the battery.  When you hook up a motor to the battery, also known as a load, the reaction begins and electrons flow as shown in the picture: "Battery Circuit".  Direct current (DC electricity) is different from the alternating current (AC electricity) that is used to power the TV, refrigerator, and other appliances in your home however, DC can be converted to AC when needed.

Battery Circuit (large image)

Solar Cells With High Efficiecy with Discount

Solar cells produce DC electricity from light.  Sunlight contains packets of energy called photons that can be converted directly into electrical energy.  You can’t see the photons but they hit the cell and produce free electrons that move through the wires and cause an electrical current as shown in the picture: "Solar Cell Circuit".  The electrical current is the electricity that powers the motor.  Although you can't see the photons you can see the light and you can assume that the amount of photons hitting your solar cell is related to the amount of light hitting your solar cell.  A greater amount of light available means a greater amount of photons are hitting your solar cell and the more power you get from it.

Main technical parameters about solar cells

Cell Thickness

An optimum silicon solar cell with light trapping and very good surface passivation is about 100 µm thick. However, thickness between 200 and 500µm are typically used, partly for practical issues such as making and handling thin wafers, and partly for surface passivation reasons.

Doping of Base

A higher base doping leads to a higher Voc and lower resistance, but higher levels of doping result in damage to the crystal.

Reflection Control
(front surface typically textured)

The front surface is textured to increase the amount of light coupled into the cell.

Emitter Dopant

N-type silicon has a higher surface quality than p-type silicon so it is placed at the front of the cell where most of the light is absorbed. Thus the top of the cell is the negative terminal and the rear of the cell is the positive terminal.

Emitter Thickness

A large fraction of light is absorbed close to the front surface. By making the front layer very thin, a large fraction of the carriers generated by the incoming light are created within a diffusion length of the p-n junction.

Doping Level of Emitter

The front junction is doped to a level sufficient to conduct away the generated electricity without resistive loses. However, excessive levels of doping reduces the material's quality to the extent that carriers recombine before reaching the junction.

Grid Pattern.

The resistivity of silicon is too high to conduct away all the current generated, so a lower resistivity metal grid is placed on the surface to conduct away the current. The metal grid shades the cell from the incoming light so there is a compromise between light collection and resistance of the metal grid.

Rear Contact.

The rear contact is much less important than the front contact since it is much further away from the junction and does not need to be transparent. The design of the rear contact is becoming increasingly important as overall efficiency increases and the cells become thinner.


Q:How do solar cells perform in areas with high levels of snowfall?
Solar cells typically do not perform optimally in areas with high levels of snowfall. The accumulation of snow on the surface of solar panels obstructs sunlight from reaching the cells, reducing their efficiency. However, advancements in technology and the tilt angle of solar panels can help minimize this issue by allowing the snow to slide off more easily. Additionally, regular maintenance practices such as clearing the snow can help ensure better performance during snowy periods.
Q:What is the role of anti-reflective coatings in solar cells?
The role of anti-reflective coatings in solar cells is to minimize the reflection of sunlight that hits the surface of the solar cell. By reducing reflection, more light can be absorbed by the solar cell, thus increasing its overall efficiency and power output. This allows for better utilization of sunlight and helps to maximize the energy conversion process in solar cells.
Q:Where can I buy solar cells on sale but still good quality ?
Good solar cell sellers can get the best solar cells with highest quality as they have very strict quality control from material-during manufacturing-assemble-package; and they also check and test the structure strictly to ensure the whole solar mounting system can work under extreme weather condition;
Q:Can solar cells be used in cloudy or rainy weather?
Yes, solar cells can still be used in cloudy or rainy weather, although their efficiency will be reduced. While solar cells generate less electricity under such conditions due to reduced sunlight intensity, they can still produce some power. Additionally, advancements in solar technology have improved the ability of solar cells to capture diffused and indirect sunlight, making them more viable in less optimal weather conditions.
Q:Can solar cells be used in mountainous regions?
Yes, solar cells can be used in mountainous regions. While mountainous regions may present challenges such as variable weather patterns and shadows from the surrounding landscape, solar cells can still effectively harness solar energy in these areas. With proper design and installation, solar panels can be angled and positioned to maximize sun exposure, allowing them to generate electricity even in mountainous terrain. Additionally, advancements in solar technology, such as more efficient and flexible panels, make it increasingly feasible to utilize solar energy in challenging geographical locations.
Q:How does the size of a solar cell affect its performance?
The size of a solar cell directly affects its performance. Larger solar cells have a higher surface area, allowing them to capture more sunlight and generate more electricity. This results in a higher power output and overall performance compared to smaller solar cells.
Q:Can solar cells generate electricity on cloudy days?
Yes, solar cells can generate electricity on cloudy days. While their efficiency may be reduced compared to sunny days, solar cells can still convert sunlight, even on cloudy days, into usable electricity.
Q:Can solar cells be used in parking lots?
Yes, solar cells can be used in parking lots. Solar panels can be installed on the roofs of parking structures or on canopies to capture sunlight and convert it into electricity. This renewable energy source can power lighting systems, charging stations for electric vehicles, and other electrical equipment in parking lots, making them more sustainable and reducing reliance on the grid.
Q:Can solar cells be used for refrigeration?
Yes, solar cells can be used for refrigeration through the use of photovoltaic (PV) systems. These systems convert sunlight into electricity, which can then power refrigeration units. This allows for the generation of cold temperatures and preservation of perishable goods, making solar cells a viable option for refrigeration in areas without access to traditional power grids.
Q:How long does it take to install solar cells on a rooftop?
The installation time for solar cells on a rooftop can vary depending on various factors such as the size of the system, complexity of the installation, and the experience of the installation team. However, on average, a typical residential installation can take anywhere from one to three days.

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