Polycrystalline Solar Panels-155W-Apply to Small Solar System

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Solar Polycrystalline Series Panels

Introduction of our company


We are internationally acclaimed enterprise which specializes in manufacturing of PV solar modules. It is part of our companies, boasting of a glorious history of over 40 years in engineering and manufacturing activities.


Headquartered in wuxi we own one of the most technologically advanced solar PV module manufacturing facilities in India. Our ISO 9001-2008 accredited manufacturing plant, located in the Special Economic Zone (SEZ) of Falta, West Bengal, is spread over a sprawling 40,000 sq ft area and boasts of a 150 MW installed production capacity.


Having built a strong foundation in the sustainable energy market and being one of the front-runners among leading solar PV module manufacturers, Our company has not only fostered innovation but has built trust, honesty and social responsibility.

Customer satisfaction is considered to be the first priority in our organization. We are known for our innovation, technology, skill and dedication.

We  believes that Innovation is the key factor to success, starting with module manufacturing and then gradually expanding into system integration and providing turnkey power solution for both on and off grid applications. As a part of our expansion plan to be among the largest solar module manufacturers, we look forward to include solar cells and wafers into our manufacturing base.

Characteristics of Polycrystalline Solar Panels

I Solar Cell : High efficiency crystalline solar cell. Even if under the weak light, the solar module can produce maximum power output.

II Tempered glass (toughened glass): Anti-reflecting coating and high transmission rate glass increase the power output and mechanical strength of solar module.

III EVA and TPT: Using high quality EVA and TPT to prevent destroying and water.

IV AI frame: Without screw, corner connection. 6 holes on the frame can be installed easily.

V Junction box: Multi function junction box with water proof.

VI Long lifetime: ≥25 years; Less power decrease

VII Good performance of preventing from atrocious weather such as wind and hails.

VIII Resisting moisture and etching effectively, not effected by geology.


Standard Test Conditions of Polycrystalline Solar Panels

The opto-electrical specifications shown below are stabilized values being measured at Standard Test Conditions, Irradiance: 1000W/m2, Spectrum: AM1.5 at 25°C, The info below is subject to manufacturing tolerances. Where appropriate minutes of measurement are available and are used for the dimensioning of the installation.


Advantages of Polycrystalline Solar Panels

1.High reliability with guaranteed -3% to +5% power output tolerance, ensuring return on investment
2. High conversion efficiency based on leading innovative photovoltaic technologies
3. Withstands high wind-pressure and snow load, and extreme temperature variations
4. Attractive appearance Unique frame design, high mechanical strength, and easy Installation 


Characteristics of Polycrystalline Solar Panels


Max Power Voltage Vmp (V)


17.4 V

Max Power Current Imp (A)



Open Circuit Voltage Voc (V)



Short Circuit Current Isc (A)



Max Power Pm (W)



Temperature Coefficient of Cells




Temperature Coefficients of Isc (%/)


Temperature Coefficients of Voc (%/)


Temperature Coefficients of Pmp (%/)


Mechanical Data Solar Polycrystalline Series






7.7 kg/8.4kg



The dimension of the modules can be changed according to the demand of clients Limits.

Operating Temperature

–45 °C to +80°C

Storage Temperature

–45 °C to +80°C

Max System Voltage


Guarantee Solar Polycrystalline Series Panels

Products Guarantee

2 years free from defects in materials and workmanship

Performance Guarantee

No less than 90% within 10yrs and no less than 80% within 25yrs




Dimension of Solar Polycrystalline Series Panels


Polycrystalline Solar Panels-155W-Apply to Small Solar System


Polycrystalline Solar Panels-155W-Apply to Small Solar System





We have organized several common questions for our clientsmay 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.    What is your warranty system?

 Our product performance guarantees for 25 years

12 years guarantee for workmanship

Timeliness of delivery

Quality Products certified (TÜV, UL, CE, ISO)


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.



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Q:2v about 600ma Solar Panel?
Hey Jeff, what you're talking about is frequently referred to as a, solar battery maintainer. There are lots of places that make and sell them, I have seen them in many auto parts stores and truck stops along the freeways. Go to google and search for a solar battery maintainer, they come is sizes similar to what you are searching for, but it will be difficult to find one that is not over 4 wide. Lots of them are about the size of the top of a shoe box, maybe 2 X 6, and come with a cigarette lighter cord attached. A 2 volt model at 500 ma, or /2 amp, works out to about 9 watts, assuming the 2 volt nominal voltage panel is actually optimized for 8 volts, as most of them are. These devices are designed to sit on the dash board of your car and keep your battery charged if you leave the car for a long period of time, like at the airport for a week in the winter. They actually work for that, we've used one before. What are you planning on doing with it? Charging a battery or running a device directly? Remember if you hook it straight to a device, and the current requirements of the device are less than the available sun will develope with your panel, the voltage may climb to a level too high for your device. If you're charging a battery, this does not cause a problem. Another option is to build your own. It can be a lot of work for just one panel, I've not done it myself, but there are videos on the subject. That device in real goods is a flexible panel, known in the solar world as, Amorphous. They are still a bit experimental, the ones they made a few years ago did not hold up as well as the solid ones, and they are expensive. You can get a /2 amp maintainer for around $25. Good luck Jeff, and take care, Rudydoo
Q:List of new solar panel manufactures?
There okorder.com/
Q:how to make your own solar panels?
if you want to make a photovoltaic panel from scratch, its extremely difficult, comparable probably to making integrated circuits. just buy a factory built panel solar-thermal is much easier
Q:Is anyone using small solar panels in their home with any practical results?
I have an active solar heater on my roof. During the winter it comes in handy and heats the house, though we still need to use a gas heater to get the temperature up to a comfortable level.
Q:how often do you have to replace solar panels?
solar cells never really stop producing, they just reduce their output over the years. There are many solar panels still running at 75% of their initial output and have been up for over 40 years. Most manufacturer will give you a 25 or 30 year waranty. That means that they guarantee that the solar panels will have no less than a 0% drop in the amount of electricity produced by each panel in 30 years.
Q:stationary solar panel project?
Build okorder.com/
Q:SunPower Solar Panels?
There is no difference between them besides their rated output. One may physically fit on you roof better than another, or look better, although the physical difference between those sizes is minimal. Go with whichever installer you trust, and is preferably NABCEP certified, or working towards NABCEP certification. Get references. Don't believe just because someone is an electrician they know how to install solar electric, it's a whole different animal. Make sure they are trained in installing solar.
Q:where to face solar panels?
The following links is a sun angle calculator which I find very helpful during my days of doing project about solar panel. The calculator will give you the accurate location of the sun. Solar panel work best when it is directly facing the sun. All you have to do is key in your location details and it will provide you with two most important details: azimuth angle and altitude angle. Azimuth angle is the East angle where the Sun is relative to the South while altitude angle is the tilt angle of the solar panel throughout the day. By using these two angles, you will maximize your exposure of solar panels. However, if you are experiencing rainy or cloudy days, horizontally mounted solar panels is the most efficient.
Q:solar panels, help?
380 W/m2. An Earth-orbiting satellite has a solar panel that measures .35 m by 4.86 m, which converts solar energy to electrical energy with an efficiency of 26%. In one hour, how much electrical energy does the panel produce? 380 W/m² x .35 m x 4.86 m x 0.26 = 2354 watts energy is watts*time E = 2354 watts x 3600 sec = 847472 Joules or, E = 2354 watt-hours
Q:Solar Panels, anyone?
You can attempt to install your own solar panels...just do the homework first! I suggest looking at ways to decrease your overall energy consumption first even if installing solar panels. Doing this will save on the amount of panels you need. Have included a reference that may be of use to you.

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