Solar Polycrystalline Panels (25W-35W)

Ref Price:
Loading Port:
Shanghai
Payment Terms:
TT
Min Order Qty:
1 watt
Supply Capability:
100000/month watt/month

OKorder Service Pledge

Quality Product

Order On-line Tracking

Timely Delivery

OKorder Service Pledge

Credit Rating

Credit Services

Credit Purchasing

Share to:

Product Description:

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)

 

Send a message to us:

Remaining: 4000 characters

- Self introduction

- Required specifications

- Inquire about price/MOQ

Q:How do you make a homemade solar panel?
Did okorder.com/ . Possibly this could immediately instruct each and every one!
Q:Home made solar panel?
Building your own panels can be an interesting experiment, but if you are looking for solar panels to provide significant, consistent output, you should buy factory made ones. I get lots of calls from people who built their own panels and get a fraction of the advertised output from them. Plus, factory built panels will last 40 - 50 years, with a 25 year warranty, how sure are you that you can build something that can withstand the outdoors for that long? The price of panels has dropped a lot this year, plus with rebates and tax credits, it's getting more affordable.
Q:How can I adapt an automotive reglator to a solar panel?
solar panels will naturally produce a certain DC voltage which is what your battery needs - the current will vary based on the sun light. You need probably 4V to have some over voltage. So based on your specs look at having at least 4 V but not too much over that (tells you how many panels you need in series) I would have blocking diodes (probably the solar cell has them built in) to insure the battery does not discharge thru the panel.
Q:Does infrared radition occur in solar panels?
Solar panels do heat up. But that's because the radiant energy from the Sun that lies within the infrared (IR) band of energy causes the material in the panels to heat up. And that's the same for any body that has the Sun shine on it. Your face, for example, will heat up while you get a nice tan on the beach. That's due to the heat producing IR radiant energy. Now if those solar panels are supposed to heat buildings etc., that heat produced in the panels when the IR strikes them will be transferred, usually by some fluid, to floors of the rooms to be heated. And as the amount of heat generated by the Sun is proportional to the area of the solar panels, bigger areas of panel will generate more heat than smaller areas. Photoelectric solar panels are another kind. Here the interest is in the visible band of radiant energy from the Sun. Heat, from IR, is still there, but it is not the product sought by PE solar panels. The visible light photons knock off loosely bound electrons from the photoelectric material (typically silicon based) and those electrons are siphoned off as current. That's where the electrical power comes from for buildings using PE solar panels to provide their own electricity.
Q:Composition and function of solar panels
In addition to the quality of EVA itself, the components of the manufacturers of laminated technology is also very large, such as EVA glue degree is not up to standard, EVA and tempered glass, backplane bonding strength is not enough, will cause EVA early aging, affecting components
Q:Maintenance of Solar Panel?
I don't know if the guy is right about cells burning out if they are covered. You should look on the Internet for insolation tables for your area to see the effective hours of sunlight. Then guesstimate the percentage of time the panels will be shaded. Those trees may make the solar thing a poor idea. He is right about the trees reducing you efficiency. If a panel is shaded about 0 percent, its output drops to close to zero. My panels are five years old, and I have washed them twice. There as been no noticeable dropoff in output.
Q:Is anyone using small solar panels in their home with any practical results?
Homemade okorder.com
Q:Single Solar Panel savings?
I am afraid you are in for some disapointment. A typical solar panel might put out something over 00 watts, and cost a pretty big bundle. Then, what would you do with the power? It will be low voltage DC. You could charge a battery, or run a DC appliance. You would get less than ten cents worth of electricity per day. If you wanted to use it for household appliances, you would need an inverter. More big bucks. Type solar panels in the green search box at the top of this page, and read previous Q A. Also do the same on the Internet. Sorry to be a wet blanket.
Q:cheapest solar panels sold on line?
If okorder.com/... , cost $75 each. I haven't personally tried that product, but the company has been around for a long time, and is not a fly-by-night. If it has to last, there are dozens of places online that will sell conventional sealed panels. Expect to pay $2.00 a watt on up nowadays.
Q:How much does a race car that uses solar panel cost?
Build okorder.com/

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