CE and TUV Approved 20W Poly Solar Panel

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Loading Port:
Shanghai
Payment Terms:
TT OR LC
Min Order Qty:
10000 watt
Supply Capability:
20000000 watt/month

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Item specifice:

Material: Polycrystalline Silicon Max. Power(W): 20 Number of Cells(pieces): 4
Size: 490×350×25

Product Description:

1. The Introduction of Solar Module

Solar modules use light energy from the sun to generate electricity through the photovoltaic effect. The majority of modules use wafer-based crystalline silicon cells or thin-film cells based on cadmium telluride or silicon. The structural (load carrying) member of a module can either be the top layer or the back layer. Cells must also be protected from mechanical damage and moisture. Most solar modules are rigid, but semi-flexible ones are available, based on thin-film cells.

2.Technical Parameter

Type

CNBM Solar Polycrystalline Series

Materials

Silicon

Guarantee

12 yrs free from defects in   materials and workmanship

No less than 90% within   10yrs and no less than 80% within 25yrs

TUV(IEC61215&IEC61730),   CE, UL

Application

 Photovoltaic/ solar/ green energy/ energy saving

Descriptions

1.High   efficiency crystalline silicon solar cell. Even if under the weak light, the   solar module can produce maximum power output.

2.Tempered glass   (toughened glass): Anti-reflecting coating and high transmission rate glass   increase the power output and mechanical strength of solar module.

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

4. AI frame:   Without screw, rner connection. 6 holes on the frame can be installed easily.

5. Junction box:   Multi function junction box with water proof.

6. Long   lifetime: ≥25 years; Less power decrease.

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

8. Resisting   moisture and etching effectively, not effected by geology.

9. The   certificate issued by international authority: UL, TUV, IEC, CE.

 

Packaging Details:

26pcs/pallet, 28pallets/ 40HQ 

Our solar panels are packed in cartons, and then pallet. 

Shipping by sea or by air are both ok, it up to customer’s chose.

We’d like to inquiry the freight cost for customer after be informed exact quantity and destination address.

3. Application and Pictures of Products

CE and TUV Approved 20W Poly Solar Panel

CE and TUV Approved 20W Poly Solar Panel

CE and TUV Approved 20W Poly Solar Panel

4. How to Work

CE and TUV Approved 20W Poly Solar Panel

5. Packing Details

CE and TUV Approved 20W Poly Solar Panel

6. FAQ

Q1: What is the business type for the company?

A1: We are one of the biggest manufacturers in zhejiang.Chnia. Which is a high tech PV enterprise dedicated to the research, development, production and sales.. 

Q2: How long solar panel warranty can you offer?

A2: 10-Year product warranty,25-year linear power output warranty

If there is any quality problem, we will pay for freight and send free parts to you.

Q3: How many certificates do you have?

A3: We have 16 certificates,such as CE, TUV, UL, and so on.

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Remaining: 4000 characters

- Self introduction

- Required specifications

- Inquire about price/MOQ

Q:A question about central a/c and roof solar panels?
Don't do it! It takes years to get your money back. Your better to put the money into insulation and or buying geo thermal unit. I knew someone who install solar panels on his roof to generate hydro and he didn't notice much of a change on his hydro bill and then he had roof problems . Central air units in last 2 years have become very efficient . Almost half the hydro of ones 0 years ago. If you can afford buy a geo thermal unit. It uses the heat of the ground in the winter 2 heat your house during the winter and the coolness of the ground to cool your house. They aren't cheap though. If you plan on living in your house for more than 0 years and have the room in the yard to install then go for it. No how you slice it though AC units use way more hydro than solar panels can produce. You would need about half a football field with a huge battery storage system to run a AC unit. When a company states you might on hydro I would stay away. Also remember they do not tell you about the costs of the upkeep on the solar panels and converter and batteries
Q:How to charge a Battery with Home Electricity and Solar Panel together?
No, don't connect the panel directly to the battery. You need to isolate the solar panel charging output from the AC-powered charger. A couple of high-current diodes arranged with their anodes connected to the charging sources in the positive supply line will allow either the charger or the solar panel to lift the voltage high enough to charge the battery, albeit with about 0.6 volts dropped across the diode. Both cathode ends would be connected to the battery. This arrangement allows a positive current to flow from either or both charging sources at the same time, although in practice, one will generally be higher than the other. Also, if the AC charger's voltage is significantly higher than the solar panel, the charger may always charge the battery. You would need to regulate its output to be slightly lower than the solar panel when it's near it's minimum useful operating voltage. (note that the 0.6 forward bias voltage on the diode might prevent the solar panel from completely charging the battery if it has any voltage regulation on its output)
Q:Can You Choose Between Solar Panels And Aircraft Fuselage Report?
If you pick the fuselage, look up friction stir welding. It's a low temp, solid state method of joining Al. I have taken a few classes (undergrad and grad) from Dr. Reynolds. This stuff is cool!
Q:How are these flexible solar panels?
Guide okorder.com/
Q:how efficient are flexible solar panels?
Up to now, it has very poor efficiency, about 5% to 23%.
Q:what is the volts of 75watts solar panel?
Many of the panels used on homes are designed to produce 2 volts DC. 0 of them wired in a series would produce 20 volts DC. An inverter is used to change the DC voltage to AC. The other aspect of electricity is amperage. With electrical units wired in series the voltage is added. When they are wired in parallel the amperage is added. The Volts x Amps produced will give you the wattage. A wise homeowner will examine their electric bills or the equipment used to determine their demand. They will consult tables that let them know how much sunlight their area receives each year as this will alter the rated performance of the panels. Then they will try and determine how much of the demand they want to fill. 80% may be economical. Then they also want to determine what they will do with excess electricity that may be produced during the summer months of intense sun and how they will supply the shortfall of low sun winter months. From all this they will determine the number of solar panels they need to purchase.
Q:how do solar panels work?
Sunlight hits the solar panel, and DC power is generated. By the power is not stable. It becomes stronger or weaker according to the strength of sunlight.
Q:What to do with a solar panel?
2 volts rate at .23 ampere. It can be used to charge car battery. Put a 5 ohms rated 0 watts resistor in series between panel and 2.6 volts car battery to lower its voltage.
Q:Is there a personal use solar panel?
Yeah they have them to charge phones but to use a microwave you would have to use one to charge a 2 volt battery with them from there an inverter . You could probably get a system like that for around $50 or so off OKorder . Don't get me wrong solar panels do cost allot but for what you want it for just to run a microwave isn't going to cost you all that much . Just go to OKorder and look for solar phone charger and get an idea of what you want . Thumb up for Sam above me . People just think everything is expensive because they put no effort in there shopping .
Q:anybody got any info on solar panels for energy savings?
. Solar panels are expensive. It will be a long time before you 'save' money. 2. My sister-in-law and her family have solar panels. The put them in about 7 years ago and are still recouping the costs. 3. I'm sure that there are web sites that can give you info on solar panels. Look them up for yourself. 4. I'd give you more answers, but my hamster-powered generator needs a potty break.

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