Solar Cells With High Efficiecy with Discount

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Shanghai
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500 pc
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20000 pc/month

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Product Description:

 

Size:156*156±0.5mmMax. Power:3.99wProduct:damaged solar cells
Pmp:3.99wVmp:0.516vImp:7.731A
Voc:0.621vIsc:8.262AEfficiency:16.25-16.50%
Thickness:190±20umFormat:156*156±0.5mmFF:77.77%
Packaging & Delivery
Packaging Detail:Original Package, 100pcs in one boxes, 10boxes in one carton
Delivery Detail:1~2days
Specifications
damaged solar cells
solar cells in stock with immediate delivery with big quantity, all range cells avaiable, poly

Manufacturer     

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

 

Features

 

 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

 

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

 

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)
TkVoltage-0.351%/K
TkCurrent+0.035%/K
TkPower-0.47%/K
Efficiency(%)Pmp(W)Vmp(V)Imp(A)Voc(V)Isc(A)FF(%)
16.25-16.503.990.5167.7310.6218.26277.77
16.00-16.253.920.5127.660.6168.19577.68
15.75-16.003.860.5097.5840.6138.13577.43
15.50-15.753.80.5057.5250.6118.0877.04
15.25-15.503.740.5027.4580.6098.05376.2
15.00-15.253.680.57.3650.6098.03875.12
14.75-15.003.620.4987.2710.6078.04574.23
14.50-14.753.560.4977.160.6048.0473.3
14.25-14.503.50.4947.0910.6038.0871.84
 14.00-14.253.440.4946.960.6018.06570.91

 

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!

FAQ

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.

 

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Q:Where and how can I find more information of Photovoltaic Cells Solar Panels? Can anybody share more about that?
Photovoltaic Cells is the electricity from sunlight, you can find a lot more than what I listed for you here from the website such as www.dasolar.com
Q:Why are the poly Solar cell specifications is different from each other, they seem to have the different size of 125mm, 156mm, 152mm, is the 152mm's battery technology is higher than the other?
To make is simple first, the numbers you saw such as 125mm, 156mm, 152mm, refers to the diameter of the silicon wafer.
Q:Is the Solar Power Photovoltaic Cells the same as PV cells modules?
Yes it is, nowadays, we even construct the PV power plant, which is a solar power generation, intelligent temperature control, modern high-tech plant as one of the photovoltaic power generation system.
Q:How can I calculate the cost of using solar cells if I put a fully-functional solar system in my house?
Sunrun solar lets you get started for as little as $0 down, but to install it, it will cost you a lot.
Q:What are the advantages and disadvantages of solar panels and diodes?
If it is in series, then the rectifier effect, the use of one-way diode conductivity, the AC voltage to DC voltage, to ensure that the output voltage polarity is positive
Q:I bought a new poly solar cells, and the test result of the conversion efficiency is 16.8%, is it lower than usual?
If the solar cells have been used for over 5 years or more, the conversion efficiency may become lower.
Q:How to define the poly solar cells as the A Grade one?
You can check with the manufacturers first and they will tell you if the poly solar cells they are selling is the A grade level.
Q:How about the solar cell 156mm Mono-Crystalline?
If you are getting this kind of solar cells-Mono Solar Cell measure by 156mm, the light intensity is 1000W/㎡, 25 ℃, AM1.5
Q:PV: the battery to the battery charge problem
Yes, for example: the battery voltage is 12V, with a 18V solar panels connected to the battery voltage will be slightly higher than the 12V voltage, such as 12.2V look, so the actual working voltage of the solar panels by the
Q:What information can I get from the Internet about the solar cell modules? Such as what it is? How it is made?
Solar cell module is actually a group of collections of solar cells, manufacutured in the same factory. With the solar cell modules, it can provide powerful energy that can generate large power for our daily or industrial use based on what we need.

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