300W Monocrystalline Solar Panel for Sale

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Loading Port:
Shanghai
Payment Terms:
TT OR LC
Min Order Qty:
10000 watt
Supply Capability:
1000000 watt/month

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Item specifice:

Material: Monocrystalline Silicon Max. Power(W): 300 Number of Cells(pieces): 72

Product Description:

Product Description


300W Monocrystalline Solar Panel for SaleElectrical Characteristics

Optimum Operating Voltage (Vmp) 37V
Optimum Operating Current (Imp)8A
Open Circuit Voltage (Voc) 44.6V
Short Circuit Current (Isc) 8.5A
Module Efficiency >=17.6%
Operating Module Temperature -40 ºC ~+85 ºC
Maximum System Voltage1000V
Power Tolerance 0/+5  W+/-3%

  
Mechanical Characteristics

Solar Cell Mono
No. of Cells36(4*9)
Dimensions 1950*992*45mm
Weight23kgs
Front Glass 3.2mm high transmission, Low Iron, Tempered Glass
Frame Anodized aluminium alloy
Junction Box4mm2, length 1000MM,TUV


Temperature Characteristics

Temperature Coefficient of Pmax-0.47/ °C 
Temperature Coefficient of Voc -0.38/ °C 
Temperature Coefficient of Isc+ 0.1/ °C 


Warranty

12-year product warranty
25-year linear performance


Packaging
2pcs/carton, 180pcs/20GP or custom

Features:

1. This monocrystalline solar cell has a high performance efficiency up to 17.6%.
2. Long Service Life can reach more than 25 years under maintenance according to stipulation.
3. Reliable quality leads to a better sustainability even in harsh environment like desert,farm and coastline 
4. High Transmission, Low Iron Tempered Glass adopted.
5. Advanced Cell Encapsulation.
6. Yunkai modules are proven for the reliability and superior field performance due to high-standard raw materials used, stringent quality control process and advanced manufacturing technologies.

Application:

1. Solar power station, field operation some huge engineer construction;
2. Living house and home building;
3. Office building, factory and warehouse;
4. other industrial and commercial applications.


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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:Can cold light make solar panels power
permanent, clean and flexible three major advantages of solar cells long life, as long as the sun exists, solar cells can be an investment and long-term use; compared with thermal power, Solar cells do not cause environmental pollution
Q:What is the principle of solar panels to convert solar energy into electricity?
When the light is irradiated on the surface of the solar cell, a part of the photon is absorbed by the silicon material; the energy of the photon is transferred to the silicon atom, so that the electrons are moved and the free electrons are formed on both sides of the P-N junction to form a potential difference. When the circuit is used, the current will flow through the external circuit to produce a certain output power. The essence of this process is the process of converting the energy of the photon into electrical energy.
Q:What is the difference between solar panels and light panels?
Crystalline silicon cell conversion rate, rich in raw materials, is a large-scale commercial production of the battery, but the crystal silicon battery brings the harm can not be ignored. Crystal silicon series of batteries have a "three high more than a" common problem. High cost, high energy consumption, high pollution, byproducts and other shortcomings.
Q:Can solar panels be connected directly to motor?
Power supply must be a number of individual battery strings, connected in parallel and tightly packaged into components.
Q:Composition and function of solar panels
Used to bond fixed tempered glass and power generation (battery), transparent EVA material directly affect the quality of the component life, exposure to the air in the EVA easily aging yellow, thus affecting the component's light transmittance, thus affecting the components
Q:Polycrystalline solar panels are good or single crystal solar energy is good
. Since monocrystalline silicon is typically coated with tempered glass and waterproof resin, it is rugged and durable for up to 15 years and up to 25 years.
Q:The voltage and power problems of solar panels
Because the MPPT controller has a wider input voltage range, it can also convert multiple voltages into current charge and better protect the battery.
Q:What is the principle and structure of solar panels?
solar controller: the role of solar controller is to control the working state of the entire system, and the battery played a charge protection, over discharge protection role. In the larger temperature difference, the qualified controller should also have the function of temperature compensation. Other additional functions such as light control switch, time control switch should be the option of the controller;
Q:How many solar panels have ah?
But in reality, the need for solar panel power and solar charger to find a balance in the portability. It is generally believed that the minimum power of the solar charger can not be less than 0.75w, and the secondary power solar panel produces 140mA of current under standard light. In the general sunlight generated by the current at 100mA or so, if less than the secondary power charging current is too small,

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