Solar Polycrystalline Cells 40W-50W

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Product Description:

Solar Polycrystalline Series (40W-50W)

Introduction of Solar Polycrystalline Series (40W-50W)

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

 

Characteristics of Solar Polycrystalline Series (40W-50W)

ISolar Cell : High efficiency crystalline solar cell. Even if under the weak light, the

solar module can produce maximum power output.

IITempered glass (toughened glass): Anti-reflecting coating and high transmission rate

glass increase the power output and mechanical strength of solar module.

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

IVAI frame: Without screw, corner connection. 6 holes on the frame can be installed

easily.

VJunction box: Multi function junction box with water proof.

VILong lifetime: ≥25 years; Less power decrease.

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

VIIIResisting moisture and etching effectively, not effected by geology. .

 

Standard Test Conditions of Solar Polycrystalline Series (40W-50W)

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 Polycrystalline Series (40W-50W)

• 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 Series (40W-50W)

Max Power Voltage Vmp (V)

17.8V

17.6V

17.4V

Max Power Current Imp (A)

2.25A

2.56A

2.87A

Open Circuit Voltage Voc (V)

22.4V

22.2V

22.0V

Short Circuit Current Isc (A)

2.41A

2.74A

3.07A

Max Power Pm (W)

40W

45W

50W

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

Mechanical Data

Power

40W

45W

50W

Dimension

470×670×30mm

530×670×30mm

630×670×30mm

Weight

4.3kg

4.6kg

5.4kg

Tolerance

±3%

±3%

±3%

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

Limits of Solar Polycrystalline Series (40W-50W)

Operating Temperature

–40 °C to +85°C

Storage Temperature

–40 °C to +85°C

Max System Voltage

700V

 

Guarantee of Solar Polycrystalline Series (40W-50W)

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 Series (40W-50W)

 

 Solar Polycrystalline Series (40W-50W)

 

The Usage of Solar Polycrystalline Series (40W-50W)

Solar Polycrystalline Series 40W-50W

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Q:What is the difference between solar panels and light panels?
The highest conversion efficiency in the laboratory is 24.7%, and the efficiency of the scale is 16%. Polysilicon conversion rate of 14% -15%. Amorphous silicon conversion rate of 12%. Silicon film conversion rate of 9%. Silicon solar cell is the main raw material of silicon, silicon is an extremely rich element of the earth, almost everywhere there are silicon, can be said to be inexhaustible, with silicon to create solar cells, raw materials can be described as no shortage.
Q:questions about solar panels for residential use?
Almost sure that you will discover everything related solar power at www.okorder.com.
Q:How can I make a sun tracker for a solar panel?
tbls0 has a good idea for the tracker, but let's take this one step farther. A clock motor large enough to move a solar panel, unless it is a very small one is going to be large, and expensive. Use the timer motor, as suggested, but attach a slotted disk to it, with a light source on one side, and a detector on the other side. As each slot comes up and allows light to pass through, this creates a one shot pulse which is used to cause a stepper motor to move position to keep the panel aimed at the sun. At the end of the panel travel for the end of the day, a switch could be set to close, bypassing the step control to put the motor into full constant speed reverse, this causing the panel to swing back to the morning position. The whole affair gets it's start up call by means of a light detector, similar to those used to turn lights off at sun up. The control would, of course be set to turn the system on to track the sun during the day. While some digital control is going to be needed, the system would not need a computer to run it.
Q:What are your opinions on solar energy?
It is definitely worth doing your homework to evaluate how much you electricity you want to obtain, what you location will allow, and the availability of state and federal tax credits. I suggest reading about it in a book or e-book. Check out the referenced source on solar calculator for cost and size detailed information, it's fun and informative.
Q:What factors effect the amount of electricity produced from solar panels?
irradiance in watts/meter^2 (000-800w/m^2 depending on air quality) COS of angle to the suns rays efficiency of the panels (usually about 5%) age of the panels(one dead cell can drop an entire panel from the array) how dirty are the panels (dust, bird poop, leaves, shading) efficiency of the inverter (usually about 90%) All of these factors affect the amount of electricity produced. One other consideration is that in areas of extreme hot and cold the band gap of the silicon is changed.
Q:projector/solar panels help?
Do understand, that a solar panel is slow to pay for itself. Let's say your electric bill was $200 a month ($2400 a year). A solar system would cost perhaps $24,000 so you would actually have paid your first 0 years of electricity in advance when installing the panels. After that 0 years, you start to be ahead financially. It can still be a good idea, but it may not be the quick and cheap solution you were looking for.
Q:Does anyone know a company that will make custom solar panels?
okorder.com Other sources available on the first Link also. Wingman
Q:solar panel, dc light help?
You can't really judge the watts for solar lighting the same way you could for dc lighting. This is because of several factors The lights that you showed ARE NOT high quality lights and furthermore; they are not a well-known brand. Also, I would be suspicious of any store that offers lights for less than half of what other stores do. They are dumping the merchandise, which means it could have been sitting around for a while. MAXSA Innovations makes good solar lamps, so does Solar Goes Green. As the other responder wrote, you are better off using dedicated solar spot lights or floodlights than trying to integrate a solar panel into regular solar lights. A 00 Watt solar panel is pretty strong, and you also would need a battery. Unless you know how to rig up the system with appropriate controllers to make sure too much energy doesn't get into the rechargeable battery (lithium ion or NiMH), you take a risk on having the whole system fry out.
Q:Numbers behind Solar Panels?
For comparison, 36 of these make a normal 2V x 50W panel. Note they are not tabbed. This means you have to find a way to connect them yourself. The tabs are probably spot welded on by the suppliers. A supplier below has kits of these with tabs, as needed to connect them together. These are not suitable for grid connect, because the higher voltage needed makes do it yourself panels a dangerous and litigious thing to have on your roof. Maybe you could buy a smaller pack from the link below to compare tabbed and untabbed and work out what to do. Your power calculation is a bit incorrect because the sun is only present some of the time. The 36 cell module would produce 50W when square on to the full sun. The sun may be out for around 2h a day in some places and times of the year. However it is the equivalent of 5h full sun, because of the changing angle throughout the day. Look this up on the internet for your region. Temperate zones may be a lot less. One pack in your link is 36x3 = 08 cells. Thus 50W per pack x 5h a day gives 750Wh per day and 274KWh/y. In reality it will always be less because of regions, weather, clouds, dust, inefficiencies, aging of cells.
Q:powering an imaginary city! (need solar panels!)?
come to tn

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