Hot-selling attractive Mono-Crystalline 40W Solar Panel to Auckland Factory

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Mono-Crystalline 40W Solar Panel

Technical parameter

Maximum Power(W)                        40W

Optimum Power Voltage(Vmp)        18.21V

Optimum Operating Current(Imp)    2.20A

Open Circuit Voltage(Voc)               21.83V

Short Circuit Current(Isc)                 2.40A

Mechanical Characteristics

Cell Type Mono-crystalline              125×62.5mm

No of Cell                                        36 (4x9pcs)

Dimensions                                     636x554x25mm

Weight                                            4.2Kg

Front Glass                                     3.5mm,High Transmission, Low Iron,Tempered Glass

Junction box                                    IP65 Rated

Output Cable                                   TUV 1×4.0mm2/UL12AWG,Length:900mm

Temperature and Coefficients

Operating Temperature(°C):                -40°C ~ + 85°C

Maximum System Voltage:                  600V(UL)/1000V(IEC) DC

Maximum Rated Current Series:         15A

Temperature Coefficients of Pmax:     -0.47%

Temperature Coefficients of Voc:        -0.389%

Temperature Coefficients of Isc:           0.057%

Nominal Operationg Cell Temperature (NOCT): 47+/-2°C

Materials of solar panel

1).Solar Cell——Mono-crystalline solar cell 125*62.5mm

2).Front Glass——-3.2mm, high transmission, low iron, tempered glass

3).EVA——-excellent anti-aging EVA

4).TPT——-TPT hot seal made of flame resistance

5).Frame——anodized aluminum profile

6).Junction Box——-IP65 rated, high quality, with diode protection

Superiority: high quality anodized aluminum frame, high efficiency long life, easy installation, strong wind resistance, strong hail resistance.

Features

1. High cell efficiency with quality silicon materials for long term output stability

2. Strictly quality control ensure the stability and reliability, totally 23 QC procedures

3. High transmittance low iron tempered glass with enhanced stiffness and impact resistance

4. Both Poly-crystalline and Mono-crystalline

5. Excellent performance in harsh weather

6. Outstanding electrical performance under high temperature and low irradiance 

Quality assurance testing

Thermal cycling test

Thermal shock test

Thermal/Freezing and high humidity cycling test

Electrical isolation test 

Hail impact test

Mechanical, wind and twist loading test

Salt mist test

Light and water-exposure test

Moist carbon dioxide/sulphur dioxide

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  • http://www.euronews.com/ On his first visit to Europe, China’s new prime minister has found he has a lot of support in a trade row between Brussels and Beijing over solar panels

    Coinciding with Li Keqiang’s time in Berlin, Germany’s economy ministry officially told the European Commission it does not back the imposition of punitive import duties on solar panels from China.

    Reuters reported at least 14 other member states also oppose the measures.

    The Chinese prime minister said they would endanger jobs in China and harm European companies and consumers.

    On a more general note, he added: “We stand together. If Europe stands together, if Europe prospers, if Europe remains stable and strong, this is not only good for the EU and Europe, but this is also good for China’s own development.”

    *Dumping accusations*

    The European Commission has said China has been selling its solar panels too cheaply at below cost and “dumping” them in Europe to corner the market, so proposes duties averaging 47 percent.

    France, Italy and at least four other countries agree. They believe that China’s rapid rise in solar panel output – to more than the world’s entire
    demand – could not have happened without illegal state support.

    But fearful of losing business in China – Germany, Britain and the Netherlands are among those who oppose the plan. They say it is protectionism.

    The EU’s 27 countries had until Friday May 24 to submit a formal written response to the plans. While Trade Commissioner Karel De Gucht would still have the right to impose the duties, doing so in the face of member states’ opposition would be hard.

    In addition if the sanctions go ahead China could retaliate by imposing tariffs on other European goods.

    *Trial period*

    The duties will come into force from June 6 for a trial period and could be withdrawn if both sides can reach a negotiated settlement. Chinese officials were holding talks with EU officials in Brussels on Monday.

    The case is the largest trade case the Commission has undertaken, with around 21 billion euros of China-made solar panels sold in the EU.

    Although De Gucht says he had no intention of damaging European business interests in China, he wants to show Beijing that the Commission is serious about preventing dumping and that China must play by international trade rules.

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    FULL VIDEO WITH MORE PICTURES: https://www.youtube.com/watch?v=euCJ44_tdqs

    NOTE: This was built in 2006 with minimum components and searching around the for the best deals at the time. The copper was the most expensive component with $60 of copper. This is a DIY (do it yourself) solar thermal panel that made hot water for a farm. I built all components with my friend using all parts from Lowes/Home Depot/local hardware stores. Each challenge was to make the solar thermal panels under $100, which we successfully did for each panel. All components can be bought from stores, nothing was special order or special parts.

    After hooking up the system for the summer of 2011, the system performed very well and actually produced 170 degree F water. The hot water was kept in a Rubbermaid bucket, but the plastic was so cheap that the hot water from the panel melted the Rubbermaid bucket you see in the one of the pictures. I created a thermosiphon, which means that I did not use any electric pumps to move the hot water. The flow rate is about 1 gallon per minute to 1.5 gallons per minute (GPM) when measured inside of the hot water tubing.

    There are no tubes inside the barrel. I used hose connectors through the side of the barrel with silicone glue. They are like garden hose valves/connectors that you can find in Lowes/Home Depot. I am using CPVC because garden hose and regular PVC melt at the high temperatures. I was getting 190 degree F temperatures in February with this configuration. Below 55 F, the unit is still producing hot water at 150 F or higher.

    Also, I would recommend that you have a drainback system for during the day so that if you are using straight water it does not freeze or burst your piping. If you are trying to heat something else, I would recommend using a heat exchanger type of system, where there are separate tubes in your bucket. This is so you can use antifreeze in your solar flat plate collector. The antifreeze will heat up the tubes running through the barrel. I am writing a book now on how to build this set up for under $100. I put about 48 hours into this project in research, buying the parts, and actually building it.

    The project was successful in that it helped warm a barn and a bed of worms. I will upload more videos soon of the DIY solar thermal panel. Feel free to send me a message or leave a comment if you have any questions.

    My other video, which was my first DIY solar thermal panel, can be watched at: http://www.youtube.com/watch?v=XpZxAZoccVk

    Here is my DIY Solar and Wind book that was published on Amazon: http://www.amazon.com/gp/product/1508454310/ref=as_li_tl?ie=UTF8&camp=1789&creative=390957&creativeASIN=1508454310&linkCode=as2&tag=erilaysyoucha-20&linkId=URNF3DPORKY4M5YR

    Barnes and Noble Nook version of my DIY Solar and Wind Book:

    http://www.barnesandnoble.com/w/books/1121302120?ean=2940151676939&itm=1&usri=2940151676939

    This book is one of my favorite solar books in my library (bought it on Amazon) and I can recommend many of the solar books on Amazon to help learn more about solar energy:

    http://www.amazon.com/gp/product/1907670181/ref=as_li_ss_tl?ie=UTF8&camp=1789&creative=390957&creativeASIN=1907670181&linkCode=as2&tag=erilaysyoucha-20

    This Grape 100 Watt Solar panel on Amazon is very similar to the panel that was bought at Home Depot:

    http://www.amazon.com/gp/product/B004RDA8MG/ref=as_li_ss_tl?ie=UTF8&camp=1789&creative=390957&creativeASIN=B004RDA8MG&linkCode=as2&tag=erilaysyoucha-20

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