Polycrystalline Solar Panel

Ref Price:
Loading Port:
Shanghai
Payment Terms:
TT or LC
Min Order Qty:
40 watt
Supply Capability:
200000 watt/month
Inquire Now Customer Service

Contact us by

(1) WeChat
(2) Whatsapp: +8618101089932

OKorder Service Pledge

Quality Product

Order On-line Tracking

Timely Delivery

OKorder Service Pledge

Credit Rating

Credit Services

Credit Purchasing

Share to:

Product Description:

Details Of Polycrystalline Solar Panel (25W—310W)

CNBM Solar photovoltaic (PV)module is designed for large electrical power requirements.

It is the optimal choice for both on-grid and off-grid power systems.

CNBM Solar panel offers high performance of power per square foot of solar array.

Poly- or multicrystalline silicon(poly-Si or mc-Si): made from cast square ingots — large blocks of molten silicon carefully cooled and solidified.

Poly-Si cells are less expensive to produce than single crystal silicon cells, but are less efficient.

US DOE data shows that there were a higher number of multicrystalline sales than monocrystalline silicon sales.

 

Main Features of Polycrystalline Solar Panel (25W—310W)

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.

 

Temperature Coefficient of Polycrystalline Solar Panel (25W—310W)

NOCT

47℃±2℃

Temperature Coefficients of Isc (%/℃)

0.064

Temperature Coefficients of Voc (%/℃)

-0.33

Temperature Coefficients of Pmp (%/℃)

-0.45

 

Operating Temperature

–40 °C to +85°C

Storage Temperature

–40 °C to +85°C

Max System Voltage

700V

 

Products Guarantee

2 yrs free from defects in materials and workmanship

Performance Guarantee

No less than 90% within 10yrs and no less than 80% within 20yrs

Certificates

ISO, TUV, CE

 

Standard Test Conditions of Polycrystalline Solar Panel (25W—310W)

The opto-electrical specifications shown below are stabilized values being measured at Standard Test Conditions of multicrystalline silicon Solar Panel, 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 Panel (25W—310W)

• CNBM Solar performance guarantees for 25 years

• 12 years guarantee for workmanship for multicrystalline silicon Solar Panel

• Timeliness of delivery

 

Images of Polycrystalline Solar Panel (25W—310W)

Polycrystalline Solar Panel

 

Polycrystalline Solar Panel

 

Our Services

1. OEM service is welcome.

2. We will provide all the details to you during the mass production.

3. Customize your mould according to your need.

4. Your requirements and complaints are highly respected.

5. Necessary test and certification can be obtained as your request.

 

FAQ about Polycrystalline Solar Panel (25W—310W)

1. Q: How do I pay for my purchase order?

     A: T/T, L/C at sight

2. Q: How can I get sample and how long will it takes?

     A: Sample fee will doutbed, but we will return the extra money after you place an order to us, It usually takes 1-3days to produce a sample.

3.  Q: What's the MOQ?

     A: Depend customer's demand.

4. Q: What's the time delivery?

    A: It will take about 5-10 days to finish an order. But the exact time is according to actual situation.

5. Q: Can I have my own customized product?

    A: Yes, your customized requirements for color, logo, design, package,shipping marks etc are available.

6. Q: Do you have quality control?

     A: Yes, we take great control of the quality.

7.  Q:How about the quality?

     A: 25 Years.

Send a message to us:

Remaining: 4000 characters

- Self introduction

- Required specifications

- Inquire about price/MOQ

Q:can solar power panels installed at home provide enough electricity to power house hold appliainces and heat water.
It will take about $44,000 to put enough solar panels to provide the same amount of power that you now have coming from a 220 v 00 amp power line to your house. You should also realize that you need some method of storage for use at night or dark days. This will add another $7,000 to the cost. The only real solution for the energy problem is nuclear power.
Q:Which is more efficient at producing energy? Reference(s) would be nice, but not required.
Of course solar panels
Q:Where can I find the info (sites) that clearly gives the anatomy of a solar panel?Likewise, I want to know where can I find (sites) the solar panel that produces 3.75 v? Thank you very much!!!
You've probably seen calculators that have solar cells -- calculators that never need batteries, and in some cases don't even have an off button. As long as you have enough light, they seem to work forever. You may have seen larger solar panels -- on emergency road signs or call boxes, on buoys, even in parking lots to power lights. Although these larger panels aren't as common as solar powered calculators, they're out there, and not that hard to spot if you know where to look. There are solar cell arrays on satellites, where they are used to power the electrical systems. You have probably also been hearing about the solar revolution for the last 20 years -- the idea that one day we will all use free electricity from the sun. This is a seductive promise: On a bright, sunny day, the sun shines approximately ,000 watts of energy per square meter of the planet's surface, and if we could collect all of that energy we could easily power our homes and offices for free.
Q:For a computer technology project we are using solar panels and trying to see different methods that will increase the output of solar power from these panels. For now, we have got polymer stickers and mirrors. Are there any more methods, or information that increase the solar power? Please and thank you :)
I am a senior in highschool and one of my classmates is basically a genius by all means that I can tell. He has already been accepted yo UNC Chapel Hill. His admissions statement was on exactly this subject. I proof read it for him. Anyways the basic problem with solar energy is that we can only harness about 20- 35 pecent of the energy and even less of that is converted into energy that can acutally be used. His argument is that if somehow we could harness chloraphyll which is the chemical which plants use to harness the suns energy and incorporate it somehow into our solar panels. We could harness up to 95% of the suns energy!!! Id deffinately look into this.
Q:What is the principle of solar panels to convert solar energy into electricity?
Silicon" is one of the most abundant materials on our planet, and since the nineteenth century scientists have discovered the semiconducting properties of crystalline silicon, it almost changed everything and even human thought. At the end of the 20th century, our lives were everywhere Crystal production and process can be divided into five steps: a, purification process b, drawing process c, slicing process d, the system of silicon Battery process e, packaging process.
Q:I am seriously thinking about installing PhotoVoltais Solar panels (that generate electricity) on my roof. Besides the usual (cost, ROI, etc.), I was researching for the maintenance of these panels. We have tall trees around the house and needles and leaves fall on our roof all the time... not to mention the dirt and grime that collects over time.Do these decrease the capacity of the panels? Do the panels require a regular maintenance?Thanks!
New solar panels are clean and shiny and they look cool. Then they get dirty with dust and debris caught on the wind and residues left behind by rain and birds. Solar panels must be regularly cleaned and maintained in order to keep them operating efficiently and maximize the amount of sunlight they convert into electricity. Unlike windows your solar system needs to have a clean and clear surface to ensure they are working at their maximum efficiency. If they are not at their optimum performance it means they are not producing the amount of electricity that they could be. Solar panels will attract dirt, dust, soot, pollen, tree sap and salt crystals in coastal regions creating a fine layer of grime. This layer reduces the amount of light reaching the silicon cells under the glass surface and reduces the panel's effectiveness. A solar panel that has never been cleaned could be producing almost a third less power than it otherwise could be. Some have reported a ten to fifteen percent loss of solar output due to dirty panels. From the ground the panels may appear to be clean, just like your windows. Up close however you can see the grime that has built up from the dirt and pollution in the air. A more noticeable deposit that can be left on panels is bird droppings. These tend to completely block the light from areas of the photovoltaic panel and can considerable reduce its effectiveness. See much more about solar panels maintenance below link
Q:quot;Does it take more energy to produce a solar panel than what the same solar panel can generate in its useful lifetime?quot;
No. That lie is put out there by people who would lose out if solar panels ever became widely used. It does take about as much power to produce them as the panels make in 2 years in a good location, but considering their useful lifetime is at least 20-30 years, that isn't much. Wind power produces as much power as is used to create the windmill in 7-9 months in a decent location. Neither will ever produce as much power as they required to be made if placed in the wrong location, like in the shade or a non- windy area. No coal plant would ever make as much energy as it took to build it if no coal were provided either.
Q:I have just made my first dolar panel 20 watts, charges my 27TMX Trojan battery perfectly. Now I am thinking to build more solar panels for a grid tie installation at my house, maybe 5 panels would do it, is this safe?
Congratulations on your solar panel. It takes a lot of work to construct one. Tying to the electric grid requires permission from your power company, and conformance to local building codes. This generally means compliance with the National Electrical Code (NEC), meaning your panels must be UL (or similar rating from another standard) listed, for fire and electrical safety reasons. Homemade panels won't qualify, unfortunately. I really would discourage you from trying to do a jungle installation without permission, as the power distribution in a house is nothing to be trifled with. That would also likely void your homeowner's insurance, and give the bank a reason to call your mortgage, if you have these.
Q:How efficient are solar panels when it comes to turning light into energy? If it's not 00%, why? Can it be improved? Also, how do solar panels work, exactly.
Solar panel refers to a panel designed to absorb sunlight as a source of energy for generating electicity or heating.solar module use sunlight to generate electicity through photovoltaic effect.The efficiency of solar panel is 5-8%,there are a few solar panels available that exceed 9% efficiency.
Q:If you need 9400 watts, 75 amps@ 240V, how many solar PV panels do you need?
75 amps @ 240 volts equals 8 kW not 9.4 kW, so first you have to make up your mind how much you want. Then you have to decide what size of solar panel you want. If it helps, the 6 units on our roof, each approximately m square, are rated for 4 kW in bright sunshine.
We mainly do OEM business CNBM etc., also in Shandong, Xinjiang, Sichuan, and the Middle East to provide products and services, the company has complied with the ISO9001 quality management system and ISO14001 and TUV, CE certified production quality requirements.

1. Manufacturer Overview

Location Nan tong,China
Year Established 2008
Annual Output Value Below US$1 Million
Main Markets Aisa,Afica
Company Certifications TUV、CE

2. Manufacturer Certificates

a) Certification Name  
Range  
Reference  
Validity Period  

3. Manufacturer Capability

a)Trade Capacity  
Nearest Port SHANGHAI
Export Percentage 1% - 10%
No.of Employees in Trade Department 100
Language Spoken: CHINESE ENGLISH
b)Factory Information  
Factory Size:
No. of Production Lines
Contract Manufacturing
Product Price Range 4.2-5.4RMB/w
客服
live chat