Solar Panel(250w poly) with TUV and UL Certification

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Loading Port:
Shanghai
Payment Terms:
TT or LC
Min Order Qty:
-
Supply Capability:
3000pcs watt/month

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Product Description:

 Mechanical Characteristics


Max-power Pm(W)                                  250

Max-power voltage Vmp(V)                    30.7

Max-power current Imp(A)                      8.15

Open-circuit voltage Voc(V)                  37.3

Short-circuit current Isc(A)                     8.85

Dimension(mm)                                1650*992*45

Weight(kg)                                              19

Operating Conditions

Operating Temperature                      -40~85°c                                    

Storage Temperature                         -40~85°c  

Maximum system voltage                      DC 1000V


Temperature and Coefficients


NOCT                                                       48± 2°c                      

Temperature coefficient of Voc(%/K)         -0.34

Temperature coefficient of Isc(%/K)          0.09

Power temperature coefficient(%/K)         -0.37

Quality and Warranty

 

--Peak power of single module is guaranteed in±3% power tolerance

--3 years limited warranty on material and workmanship

--Limited power warranty:10 years 90% and 25 years 80% limited warranty for minimum power output



Packing Configuration

 

Q’ty/Pallet,

1×20’ft

1×40’GP

1×40’HQ

Pallet Q’ty

6pallets

14pallets

14pallets

Q’ty/Container

240pcs

560pcs

630pcs

Package

 

 

IMG_8917_

 

3_

FAQ

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?

IEC,UL,TUV,CSA,etc.

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:Why can not the solar panel load directly?
Power supply must be a number of individual battery strings, connected in parallel and tightly packaged into components.
Q:What is the main material for making solar panels?
You can also according to their own needs, according to the power to buy a good package of solar photovoltaic products.
Q:Can cold light make solar panels power
The drawback of solar thermal power generation is that the efficiency is low and the cost is high, At least 5 to 10 times more expensive than ordinary thermal power plants.
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:Can solar panels be connected directly to motor?
The sun is irradiated on the semiconductor p-n junction to form a new hole-electron pair. Under the action of the p-n junction electric field, the holes flow from the n region to the p region. The electrons flow from the p region to the n region, and the current is formed after the circuit is turned on.
Q:Composition and function of solar panels
In addition to the quality of EVA itself, the components of the manufacturers of laminated technology is also very large, such as EVA glue degree is not up to standard, EVA and tempered glass, backplane bonding strength is not enough, will cause EVA early aging, affecting components
Q:Polycrystalline solar panels are good or single crystal solar energy is good
Pre-monocrystalline silicon solar cell photoelectric conversion efficiency of about 15%, the highest reached 24%, which is all types of solar cells in the photoelectric conversion efficiency of the highest, but the production cost is so large that it can not be a large number of extensive And commonly used.
Q:The voltage and power problems of solar panels
In general, the charging voltage is 1.5 times the battery voltage as well, that is 12V battery pack, select the 18V solar panels just.
Q:What is the principle and structure of solar panels?
inverter: solar direct output are generally 12VDC, 24VDC, 48VDC. In order to provide power to 220VAC appliances, it is necessary to convert the DC power from the solar power system into AC power, so it is necessary to use DC-AC inverter.
Q:What is the principle of solar panels work?
optical - electrical direct conversion method is the use of photoelectric effect, the solar radiation can be directly converted into electrical energy, optical - electrical conversion of the basic device is the solar cell. The solar cell is a device that converts solar energy directly into electrical energy due to the photovoltaic effect. It is a semiconductor photodiode. When the sun shines on the photodiode, the photodiode turns the solar energy into electricity. Current. When many batteries in series or in parallel can become a relatively large output power of the solar cell array

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