PV Modules Made in China to overseas market

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Solar panel refers either to a photovoltaic (PV) module, a solar hot water panel, or to a set of solar photovoltaic modules electrically connected and mounted on a supporting structure. A PV module is a packaged, connected assembly of solar cells. Solar panels can be used as a component of a larger photovoltaic system to generate and supply electricity in commercial and residential applications. Each module is rated by its DC output power under standard test conditions, and typically ranges from 100 to 320 watts. The efficiency of a module determines the area of a module given the same rated output – an 8% efficient 230 watt module will have twice the area of a 16% efficient 230 watt module. There are a few solar panels available that are exceeding 19% efficiency. A single solar module can produce only a limited amount of power; most installations contain multiple modules. A photovoltaic system typically includes a panel or an array of solar modules, an inverter, and sometimes a battery and/or solar tracker and interconnection wiring.

Solar modules use light energy (photons) 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.

Electrical connections are made in series to achieve a desired output voltage and/or in parallel to provide a desired current capability. The conducting wires that take the current off the modules may contain silver, copper or other non-magnetic conductive transition metals. The cells must be connected electrically to one another and to the rest of the system. Externally, popular terrestrial usage photovoltaic modules use MC3 (older) or MC4 connectors to facilitate easy weatherproof connections to the rest of the system.

Bypass diodes may be incorporated or used externally, in case of partial module shading, to maximize the output of module sections still illuminated.

Some recent solar module designs include concentrators in which light is focused by lenses or mirrors onto an array of smaller cells. This enables the use of cells with a high cost per unit area (such as gallium arsenide) in a cost-effective way.

PV Modules Made in China to overseas market


solar panels from 5W--300W, made of TAIWAN MOTECH brand cells,with CO in TAIWAN,Mono and Poly with VDE,IEC,CSA,UL,CE,ISO.

We import solar cells from Taiwan Motech brand, with this CO in taiwan and our CSA certification,we can still sell goods to Anti-dumping areas like USA. Our main products are solar panels, off grid and on grid solar home systems , solar street lighting systems, solar water heating system,solar pump,solar attic fan, solar DC LED lights and solar DC refrigerators.

Certificates : ISO, CE, VDE IEC, MCS, CSA-UL, CEC.
Delivery time: sample 10days, order 25-30days.
Sample: charged.
Payment term: T/T 30% as deposit, 70% before shipment. Or irrevocable L/C at sight.
Trade term: FOB Shenzhen or CIF destination seaport or Airport.


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

PV Modules Made in China to overseas market

Quality and Safety

1. Rigorous quality control meets the highest international standards.

2. High-transmissivity low-iron tempered glass, strong aluminium frame.

3. Using UV-resistant silicon.

4. IS09001/14001/CE/TUV/UL  


1. 10 years limited product warranty

2. 15 years at 90% of the minimal rated power output

3. 25 years at 80% of the minimal rated power output

Technical date :


Poly 156*156 cell ,60pcs . Power range from   230Wp-260Wp

Maximum Power(W)








Optimum Power Voltage(Vmp)








Optimum Operatige Current(Imp)








Open Circuit Voltage(Voc)








Short Circuit Current(Isc)








Solar Cell:

156*156 Poly

Number of Cell(pcs)


Name of Solar Cells

Polycrystalline Cell

Size of Module(mm)


Cable & Connector Type

Pass the TUV Certificate

Frame(Material Corners,etc.)


Back sheet


Weight Per Piece(KG)


FF (%)


Junction Box Type

Pass the TUV Certificate

Tolerance Wattage(e.g.+/-5%)

±3%, or 0-3%

Front Glass Thickness(mm)


Temperature Coefficients of Isc(%)


Temperature Coefficients of Voc(%)


Temperature Coefficients of Pm(%)


Temperature Coefficients of Im(%)


Temperature Coefficients of Vm(%)


Temperature Range

-40°C to +85°C

Surface Maximum Load Capacity


Allowable Hail Load

23m/s ,7.53g

Bypass Diode Rating(A)



90% of 10 years, 80% of 25 years.

Standard Test Conditions

AM1.5   1000W/ 25 +/-2°C


carton or pallet


14 Pallets / 316pcs


25 Pallets / 700pcs

PV Modules Made in China to overseas market


I..Will you focus on the safety of the goods during transportation?

Yes, Safety of the cargo is the primary element that we would consider on transportation.

II..How would guarantee the quality will meet the requirements of your clients?

Before shipment, we will have inspection for each batch of goods.

III..What certificates do you have?


IV..Can you do OEM according to clients’ requirements?

Yes, we have our own brand while we can provide OEM service.

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Q:Solar vacuum tube length 1.8 or 1.9 good
2.1 of the hot water to be generated, the water temperature to be high, but the versatility of the poor 2.1, maintenance costs to be higher than 1.8 meters,
Q:Solar vacuum tube or titanium poly poly tube
But the ordinary vacuum tube is very cheap, titanium metal target is too expensive, few manufacturers will do, when I know only one of the larger manufacturers in the study of high temperature vacuum tube with titanium, titanium is widely used in the application of plate heat absorbing films, the reason is the tablet is non vacuum heat transfer temperature under the condition of adding titanium metal and its oxide film is more stable.You will find, due to price relationship, common low temperature vacuum tubes as the hot water project, I think there is no need to choose titanium vacuum tube is very expensive (and do not know is not just a gimmick).
Q:How to remove the solar water heater tube
The first time you remove the best choice is cloudy, morning or evening, because you must first put hot water in the solar water heater all let go before the demolition, demolition was oozing to avoid scalding hot water, if the demolition is at noon, because the vacuum pipe of the water has been drained, and then by the strong sunlight will loss and vacuum tube, vacuum tube will shorten the life of.3, after the demolition of vacuum tube to use special polyester foam grid installed, put in a special box, lest accident in handling collision. Because this step is the most difficult, the most dangerous for non professional people, a vacuum tube can be completed after the demolition.
Q:Solar water heater vacuum tube what are the specifications?
According to the diameter of the pipe can be divided into 47mm and 58mm
Q:Straight through solar vacuum tube is a vacuum tube with double openings
Because the glass tube to absorb sunlight, heat, swelling; the outer tube due to the existence of vacuum, low temperature, no expansion, so that the vacuum tube of their stress form, easy to break. The general market solutions into two kinds, one is bamboo, a spiral. However, these two basic are not very reliable, glass products, easy to break.
Q:Solar vacuum tube specificationsI'd like to know about it,
The main specifications of solar vacuum tube.Three kinds of vacuum tube diameter:47, 58, 70, which refers to the outside diameter.To say the endothermic effect is good, also answer 70 pipe, tube heat absorption area larger is larger, the endothermic effect is better, the double pipe insulation effect is also very good.
Q:How long is the service life of the vacuum tube solar?
Upper and lower water pipeline: generally use a little better, because the water is hot, life and quality has a great relationship, similar to the home of the water pipe, but to be short, because it is hot water.Between the above, the vacuum tube, the upper and lower water pipe is easy to change.In addition, do need to see what the quality of the manufacturers
Q:What is the best quality of solar vacuum tube
The membrane filtration layer has no scratch, no peeling or shedding phenomenon, no stone or nodular phenomenon on the glass, and the supporting parts of the inner glass are provided with the correct and not loose. 2 when you want to pay attention to: the pipe is not the bigger the better, too thick too long, the invalid water in the pipe increases, the heat of the night radiation will be very large, the second day will be very slow to enter the working state. Standard pipe diameter of 47 mm is reasonable at present, Zijin coating invented in our country, has been close to the theoretical limit of solar absorptance (about 0.97 higher than the national standard (0.8611 percentage points, this technique makes Chinese continue to adhere to the international advanced level in the field of solar light and heat utilization
Q:What is the difference between solar vacuum tube, heat pipe and U pipe
The vacuum tube is made of glass. Inside with a U metal tube as heat exchanger
Q:How to distinguish the quality of vacuum tube in solar water heater
Identify the quality of the vacuum tube to see the appearance of the first, the appearance of high-quality vacuum tube:1, the surface is smooth, clean, no spots, no gas line, no scratch, no film phenomenon (this phenomenon will affect the collection efficiency and beauty).2, the film color to blue, black based, the overall color difference. But the black does not indicate that the quality of the vacuum tube is good, because some manufacturers to cover up the color, often made of pure black film.

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