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)

 

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Q:How do you get electricity in a rainy day if you have solar panels?
Solar panels convert light energy into electrical energy with the photovoltaic process. They work best when perpendicular to the incoming sunlight and with no clouds in bright sunlight. They will work at reduced efficiency if there are clouds or rain, but as long as its not dark, they will still produce some electricity. That is one of the real problems with solar energy, as we expect to have electricity available on demand, regardless of day/night cycles and atmospheric conditions. Storing electricity is very inefficient, so we need hydro, nuclear,or fossil fuel energy to provide firm on demand energy as a base load.
Q:Can one benefit from solar panels?
This year my friend put in $54,000 worth of solar panels on his roof (7KW). He got a $2,000 rebate from the state. So his cost is $42,000. Now this summer, in the heat of the day, when he runs his air conditioner, he is still selling a trickle of power to the company. Other times he sells a lot. At night or on cloudy days, he buys power from the company. His payback period is going to be about 25 years. But this will be 0-5 years after he dies, probably.
Q:how to connect a solar panel to a motor?
photograph voltaic capability is somewhat fluctuating capability source and so it may be greater advantageous if u could save the photograph voltaic capability in a battery. The battery is then related to the motor. returned connect the motor with a zener diode to the photograph voltaic panel because of the fact if u dont u could have a case of decrease back emf producing from the motor and getting discharged interior the photograph voltaic panel that could injury it. further the battery additionally ought to be having a diode circuit which might avert it style discharging into the photograph voltaic panel. hoping that this facilitates..
Q:How effective are solar panels?
it depends on the size of the panel and if it is installed in an optimal location. there are many 00W panels commercially available and they can be ganged for a number of different output configurations.
Q:how much does solar panels cost for you home?
Just to be sure - when you say solar panels - are you thinking of hot water or electricity? For electrical power the system must photovoltaic.
Q:Are solar panels only effective in places where there is an abundance of sunlight?
Solar panels are *more* effective in places with abundant sunlight, but can be used anywhere that there is light. The problem is an economic one. Solar panels are expensive and can only produce so many watts per square meter. If you have less sunlight, you'll need more panels to get the same amount of power. Germany has a relatively high latitude, and are reported to make extensive use of solar panels (funny, I spent 2 weeks there last month and saw very few panels). The reason for their use of the panels is that their government offsets the cost of installing them through subsidies. Other governments have similar programs.
Q:Can someone tell me about solar panels for homes?
Solar okorder.com/
Q:How much candle lights is required to operate a 205 watt solar panel?
That's hard to tell. A solar panel produces somewhere between 7 and 0W per square foot under sunlight exposure. You should calculate the light intensity of sunlight, and then calculate the light intensity of a candle (You'll have to look that up in some physics book or the internet) and then just multiply the number of candles until you match the intensity of sunlight. Realistically, you would need so many candles that you wouldn't be able to fit them in front of the solar panels, assuming you don't end up with a huge fireball.
Q:how does solar panels save energy?
Solar panels doesnot work on electricity.They absorb solar energy emitted by sun and thus work without the usage of electricity.If we use them then there will be automatically reduce the elctricity bills as we dont need to switch on.They use natural source to switch on for which we don't need to pay.
Q:how to hook up solar panels to meter?
Hooking up without batteries is actually the most common way to do it, but it's a non-trivial project, and dangerous if you don't know what you're doing. There is a device called a grid-tied inverter - that performs the task of putting energy back into the power grid. The reason you don't see homemade panels being hooked to the grid is because the power company's permission is required, and they will not grant it unless you meet building codes, and those codes require parts with at least a UL listing. No homemade panels would quality.

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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