Polycrystalline Solar Panels-70W-Apply to Small Solar System

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10000 watt
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 Product Description

Solar Polycrystalline Series Panels

Introduction of our company

We are  leading global provider of green energy technology and solutions. Since 2005, we has earned a reputation for superior quality and production efficiency. The company has shipped millions of solar and lighting products to our clients over the world, which supported by more than 30 office locations scattered in 16 countries.

Drawing on its deep heritage in solar technology, we have deployed its expertise to the LED lighting sector. Through its exceptional manufacturing and sales channels, we produces and supplies a wide range of LED products to add value and meet ROI objectives for distributors’ clients across a number of sectors.

 

Characteristics of Polycrystalline Solar Panels

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 Polycrystalline Solar Panels

The opto-electrical specifications shown below are stabilized values being measured at Standard Test Conditions, 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 Panels

1.High reliability with guaranteed -3% to +5% power output tolerance, ensuring return on investment
2. High conversion efficiency based on leading innovative photovoltaic technologies
3. Withstands high wind-pressure and snow load, and extreme temperature variations
4. Attractive appearance Unique frame design, high mechanical strength, and easy Installation 

 

Characteristics of Polycrystalline Solar Panels

 

Max Power Voltage Vmp (V)

17.4V

17.6 V

Max Power Current Imp (A)

4.02A

4.26A

Open Circuit Voltage Voc (V)

22.4V

22.6V

Short Circuit Current Isc (A)

4.30A

4.55A

Max Power Pm (W)

70W

75W

Temperature Coefficient of Cells

 

NOCT

47±2

Temperature Coefficients of Isc (%/)

0.06

Temperature Coefficients of Voc (%/)

-0.33

Temperature Coefficients of Pmp (%/)

-0.45

Mechanical Data Solar Polycrystalline Series

Power

70W/75W

Dimension

780×670×30mm

Weight

5.9 kg

Tolerance

±3%

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

Operating Temperature

–45 °C to +80°C

Storage Temperature

–45 °C to +80°C

Max System Voltage

700V

Guarantee Solar Polycrystalline Series Panels

Products Guarantee

2 years free from defects in materials and workmanship

Performance Guarantee

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

Certificates

IEC, ISO, TUV, CE

 

Dimension of Solar Polycrystalline Series Panels

 

 

Polycrystalline Solar Panels-70W-Apply to Small Solar System

 

Polycrystalline Solar Panels-70W-Apply to Small Solar System

 

 

FAQ

 

We have organized several common questions for our clientsmay help you sincerely

 

1.    What’s price per watt?

A: It’s depends on the quantity, delivery date and payment terms of the order. We can talk further about the detail price issue. Our products is high quality with lower price level.

 

2.    Can you tell me the parameter of your solar panels?

We have different series of cells with different power output, both from c-si to a-si. Please take our specification sheet for your reference.

 

3.    How do you pack your products?

We have rich experience on how to pack the panels to make sure the safety on shipment when it arrives at the destination.

 

4.    What is your warranty system?

 Our product performance guarantees for 25 years

12 years guarantee for workmanship

Timeliness of delivery

Quality Products certified (TÜV, UL, CE, ISO)

 

5.    How do you pack your products?

We have rich experience on how to pack the panels to make sure the safety on shipment when it arrives at the destination.

 

 

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Q:how to connect a solar panel to a motor?
You need a battery, no solar panel is strong enough to move any significant motor
Q:solar panels, electronics, gear, gadgets for my birthday?
solar panel is expensive, but small solar panel is not expensive, for example, 5w solar panel, solar light also not expensive led light also not expensive. i am not sure about other stuff that you said
Q:Solar panel angle question..?
You did not give the details of how the legs are attached to the panel. I did some calculations on my right triangle analysis application. Based on an assumption that the legs are vertical and attached to the bottom of the panel top, i calculated the legs must be 6.97 inches long. This compares favorably with the 8 inches you quoted. t If my assumption is true, the leg length for a 7 degree angle is 2.925 inches. The configuration, if my assumption is correct, will be a right triangle. The hypotenuse (longest leg of the triangle) is the panel length and the vertical legs are the supports. If my assumption is incorrect, edit your question to detail the support /panel configuration. TexMav
Q:solar panels vs (organic) plants?
Of course solar panels
Q:Computation of Solar panel requirement?
The power output of a solar panel uses a formula to determine kilowatts produced per hour per square meter per day. This calculation is important because, if you plan to install a solar power system for your home, you will want to know how many solar panels will be needed. To calculate solar power requirements correctly, you need to gather the data that is needed for the calculation. First you have to find the average amount of solar radiation available for your area. You can use a solar radiation chart. This can range from a 4 to a 7 depending on the area you live in. Write the number down on a piece of paper and indicate it with the letters RA. Next is determine the amount of electricity that you use daily. Add the kilowatt-hours used per month from your utility bill. Multiply this number by ,000 to get the watt hours in a month. Divide the total by 30 for the amount of electricity you use daily. Write this number down and indicate it with the letters DE. Determine the percentage of your home that you want to power with the solar power system. Write this number down and indicate it with the letter P. Determine the system inefficiency factor for the solar power system. You should be able to find this on the brochure for the system or from the manufacturer's web site. Write this number down and indicate it by the letter I. Determine the power or yield that is required for your home. Use the equation P = I x (DE x P) / RA to find the power requirements in kWh. Divide the number from Step 5 by the peak wattage for a single solar panel to determine the number of panels you will need for your home. Goodluck! :)
Q:What are the limits of solar panels?
Under a full moon your solar panels can put out full rated voltage but no amperage. You do not want to put mirrors on your solar modules because you will just simply burn them out. They are made to use what the sun puts out and the extra heat from the mirrors would be too much. Plus you would have to build something to make the mirrors follow the sun or the reflected light would be moving on you all day as the sun moves. If you was to take apart one of those mirror balls that you see on dance floors and put all the little pieces on a board at angles to all aim at one spot. you would have a lasor beam of a sort. You can melt steal like that. Think what that would do to your solar panels.
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:question about Solar Panels?
Assuming that you have / will upgrade wiring sizes to carry the extra wattage, that the new total wattage resulting from the addition doesn't overload any existing charge controller, diodes and / or inverter you have installed, then paralleling it straight into one of the other 2 volt groups should do nothing but add current to the system. True, it will be somewhat imbalanced, but it will work. Your other options would be to reconfigure everything down to it's native 2 V configuration which will raise current and lower voltage, with the additional panel creating the additional current to raise the wattage or to put it in series with the other 4 panel clusters so that you would get 36 V and additional current to account for the raised wattage. One last approach might be to set it up on another battery bank of it's own (small and at 2 V) to then connect to the same inverter. You'd be getting more power and storage capability that way, sort of a partial backup system, really, that will take some of the load off the other components to help extend their useful lives and get a bit more flexibility into it as well. The choice is yours here. That is all the ways that the system can be connected in, assuming everything in the first sentence checks out;-) It's difficult to make a recommendation without knowing what other components are in use and what the maximum ratings they carry are. Just remember that parallel connections add current and voltage stays the same, series connections add voltage and the current remains the same and you can figure out what to do with this thing to help you if you stay within maximum ratings for the charge controller, diodes and / or inverter involved. Good luck and stay safe!
Q:Can I get free solar panels?
Try approaching a few power suppiers to find out if they have any scheme or grants available. Or contact a local DIY store/builders merchants and ask if you can have some panels installed and agree to advertising allowing them to let people contact you for your opinion on the panels.
Q:can a light bulb power a solar panel?
Solar Powered Light Bulbs

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