Solar Polycrystalline Panels (25W-35W)

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Solar Polycrystalline Panels (25W-35W)

Introduction of Solar Polycrystalline Panels  (25W-35W)

Solar polycrystalline panels 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.

 

Characteristics of Solar Polycrystalline Panels (25W-35W)

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 Solar Polycrystalline Panels (25W-35W)

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 Solar Polycrystalline Panels (25W-35W)

• CNBM Solar performance guarantees for 25 years

• 2 years guarantee for workmanship for multicrystalline silicon Solar Panel

• Timeliness of delivery

CNBM International Corporation's products including Monocrystalline Solar Panel, Polycrystalline Solar Panel ( multicrystalline silicon Solar Panel) have received and enjoyed famous reputation in many countries and regions in the world .As a solar panel manufacturer in China, we strive to provide our customers with excellent service, superior products and unmatched value. 

 

Characteristics  of Solar Polycrystalline Panels  (25W-35W)

Max Power Voltage Vmp (V)

18.4V

18.4V

18.0V

Max Power Current Imp (A)

1.36A

1.63A

1.94A

Open Circuit Voltage Voc (V)

23.0V

23.0V

22.6V

Short Circuit Current Isc (A)

1.46A

1.74A

2.08A

Max Power Pm (W)

25W

30W

35W

 

Temperature Coefficient of Cells

NOCT

47℃±2℃

Temperature Coefficients of Isc (%/℃)

0.064

Temperature Coefficients of Voc (%/℃)

-0.33

Temperature Coefficients of Pmp (%/℃)

-0.45

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

 

Limits

Operating Temperature

–40 °C to +85°C

Storage Temperature

–40 °C to +85°C

Max System Voltage

700V

 

Guarantee of Solar Polycrystalline Panels (25W-35W)

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

IEC, ISO, TUV, CE

 

The Equipment of Solar Polycrystalline Panels (25W-35W)

Solar Polycrystalline Panels (25W-35W)

 

The usage of Solar Polycrystalline Panels

Solar Polycrystalline Panels (25W-35W)

 

Q:How Much energy does Solar Panel Produce,and How long can Solar Panels go without maintenance.
The available energy is a function of several factors including insolation (sunpower) mounting angle, gathering area, type of cell and conversion efficiency.
Q:Given that I am going to purchase a solar panel to charge my cell phones and other gadgets, I would like to know what the ammount of power produced by a 6 Watt solar panel is under regular circumstances. (IE partial sun, full sun, cloudy)
That site tells you somewhat about the cost of solar panels and their MAXIMUM output. Now some who have these panels claim output, in daily terms, 8 times as great as maximum output, which says they are counting on 8 hours of effective sunlight. In California Desert that is sound. You will discover that Ontario Power grid is planning for 3 hours to 4 hours of maximum output . Based on that 3 to 4 hours of maximum output, it would take close to 20 years to recover your cost at the price Ontario pays for solar power. The deal locks you in so that you can not get more money as electricity prices go up, and do not lose if electricity prices go down over that 20 years.
Q:I had someone quote me for solar panels on my house but I can't afford it. They were talking about how I have enough room and the perfect location to put many of them and actually get paid for it. I have about a half acre that is tiered and points in the correct direction for them to get pretty much the full day sun. Additionally, I live in so cal where it is sunny most of the year. Does anyone know if solar companies will lease or install them to get the payback? I would be happy to allow them to use the land just to cover my electrical expense and they could have any payback.
Hi, In the UK solar companies will fit them for nothing. The company gets the government allowance (called feed in tarrif FIT) and you get the benefit of the reduction in your power bills. The solar company make better money than the householder,BUT if the householder is in most of the day it could be most beneficial if the energy is used while the panels are generating, this means the householder is not paying for the power from the grid. If the householder works normally from 9 to 5 then there is less advantage in terms of getting free power from the panels. Best Wishes.
Q:
Yes, solar panels can be installed on mobile homes. In fact, mobile homes can be great candidates for solar panel installations due to their smaller size and affordability. Additionally, solar panels can help mobile homeowners save on electricity bills and reduce their carbon footprint.
Q:My house uses 500 kw a month, air conditioning is the main consumer, is it possible to install solar panels in my roof to produce this amount, and aproximate cost, thanks .
here's the cost 50 KW-hr per day. Depending where you live, there is a chart showing the average expected amount of energy from a solar panel based on the panels peak rating. Lets use 5 hours as an average. This means you need 50 kw-hrs over 5 hours or 0 kw of peak performance. The cost to install a complete grid tied system is running from $6 to $9 per watt, depending on size and how your house sits. Typically, for a system this size, $7.5/watt or the total cost is $75,000. The federal government and some state on local government pays part of the cost. Your net cost will be $50,000. If you put $50,000 in a 0 year CD, you'd earn $250 per month in interest. On the average, a 500 kw-hr bill will run $225 per month. In my town it runs $50 and I'd need a larger system because I get less than 5 hours on average. So I'd earn $275 in interest. In CA, your electric bill would be $300.
Q:My house is aligned exactly North-South, so I have no roof facing South. Is it worth installing solar panels? Are there any good options for dealing with this situation?
The trouble is that it is so expensive to have installed and as you say it will take many years before you actually start saving above what the installation cost was, I personally would not go ahead and make that sort of investment, it would be more profitable to keep the money in a building society, get the interest from it and use that to pay for your electricity but the main thing that I have against solar Panels is that unless you stay in that house for at least twenty five years you will not reach the point where you are saving and to capitalise on it you would have to stay there for many years more, so you will not have the option of moving house without losing your investment and at the moment having solar panels does not increase the value of the property, it is just a good selling point, when you buy your new house, you would probably have to start all over again and then because of the years will never live long enough to reap any benefit from it.
Q:
Yes, solar panels can be damaged by birds and rodents. Birds may nest, perch, or peck at the panels, causing cracks or scratches on the surface. Rodents, on the other hand, can chew through the wiring or insulation, leading to electrical issues. Regular maintenance and bird deterrents can help minimize the risk of damage.
Q:i need someone to advice me which solar panels to buy.i have looked into few companies and i need some more info before decidingthe companies i checked were Sun tech trina solar Canadian solar and LDK solar.whice company should i pick?? please help.
If all things are equal buy local. If you are building for a LEED project then choose a manufacture within 500 miles. Another reason to choose a local panel is that if things go wrong there is a better chance of a satisfactory resolution. A no name knockoff from overseas might prove to be difficult to find a few years down the road. One good place to check is the Go Solar California website. They have proof of performance testing on hundreds of panels.
Q:Is it really possible for me living in Denver to build and install and setup my own solar panel to help make electricity for my home?
It's okorder / has something to say about various scams, including solar.
Q:I have a building company in UK and am interested in becoming a solar panel installation contractor
Every single solar system will have to be put on every roof by people. Of course much of the processes used installation are designed to be as pain free and trouble free (and therefore as inexpensive) as possible but in a typical British street of semi detached houses built in the 930s you could find as many different plumbing and heating systems as there are houses, so you will never be able to remove the human installation element.

1. Manufacturer Overview

Location Jiangsu, China
Year Established 2004
Annual Output Value Below US$1 Million
Main Markets Australia;Asia;South East Asia; South America;North America; Europe;Africa
Company Certifications ISO 9001:2008; CE; TUV; UL

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 200-300 People
Language Spoken: English;Chinese
b)Factory Information  
Factory Size: Above 8,000 Square meter
No. of Production Lines 6
Contract Manufacturing OEM Service Offered;Design Service Offered
Product Price Range Average

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