• 4.5W  Poly solar Panel Factory Directly Sale with 25 Years Warranty CNBM System 1
  • 4.5W  Poly solar Panel Factory Directly Sale with 25 Years Warranty CNBM System 2
4.5W  Poly solar Panel Factory Directly Sale with 25 Years Warranty CNBM

4.5W Poly solar Panel Factory Directly Sale with 25 Years Warranty CNBM

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Loading Port:
Qingdao
Payment Terms:
TT OR LC
Min Order Qty:
10 set
Supply Capability:
300000 set/month

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Polycrystalline Solar Modules

CNBM offers a range of small, medium and large polycrystalline solar modules, designed for a range of requirements.

 

 

 

4.5W  Poly solar Panel Factory Directly Sale with 25 Years Warranty CNBM

4.5W  Poly solar Panel Factory Directly Sale with 25 Years Warranty CNBM

 

Specifications:

Tolerance

+/-3%

Cell

Polycrystalline silicon solar cells (156 x 156mm)

N0. of Cells

60 (10 x 6)

Dimension of Modules (mm)

1650 x 990 x 40

Weight (kg)

25.5

Limits:

Operating Temperature

-40~+85?

Storage Temperature

-40~+85?

Maximum System Voltage

1000 VDC max.

Hail Impact

Diameter of 28mm with impact speed 
of 86km/h

Temperature and Coefficients:

NOCT

48C+/-2?

Voltage temperature coefficient (%/K)

-0.35

Current temperature coefficient (%/K)

0.05

Power temperature coefficient (%/K)

-0.45

Characteristics:

Model:

SGM-200P

SGM-210P

SGM-220P

Max-power voltage Vmp (V)

29.2

29.4

29.41

Max-power current Imp (A)

6.85

7.14

7.48

Open-circuit voltage Voc (V)

36.5

36.69

36.9

Short-Circuit Current Isc (A)

7.28

7.6

7.93

Max-power Pm(W)

200

210

220

 

Model:

SGM-230P

Max-power voltage Vmp (V)

29.8

Max-power current Imp (A)

7.72

Open-circuit voltage Voc (V)

37.31

Short-Circuit Current Isc (A)

8.19

Max-power Pm(W)

230

STC: Irradiance 1000W/m2, module temperature 25?, AM-=1.5

Poly Crystalline Solar Panels Specifications Range

Maximum Power (Pm)

Dimension

Weight

Operating Voltage (Vmp)

Operating Current (Imp)

Open Circuit Voltage (Voc)

Short Circuit Current (Isc)

0.45W

140x80x10mm

0.08kg

3.3V

150mA

4.6V

160mA

1.0W

162x140x10mm

0.16kg

7.5V

150mA

10.3V

160mA

4.5W

269x251x23mm

0.8kg

16.5V

0.27A

20.5V

0.3A

10W

420.1×268.9×22.6mm

1.92kg

17.5V

0.58A

20.5V

0.6A

20W

425x502x50mm

3.0kg

16.8V

1.19A

21.0V

1.29A

30W

593x502x22.6mm

3.9kg

16.8V

1.78A

21.0V

1.94A

40W

655x537x50mm

5.75kg

17.3V

2.31A

22.1V

2.54A

50W

839x537x50mm

6.0kg

17.5V

2.9A

21.8V

3.17A

65W

1111x502x50mm

7.2kg

17.6V

3.69A

22.1V

3.99A

80W

1204x537x50mm

7.7kg

17.6V

4.55A

22.1V

4.8A

 

Q:How are solar cells used in spacecraft?
Solar cells are used in spacecraft to convert sunlight into electricity, providing a reliable and renewable source of power for various systems and instruments on board.
Q:What is the role of voltage regulators in solar cell systems?
The role of voltage regulators in solar cell systems is to ensure that the voltage output from the solar cells remains constant and within a specific range. They regulate the voltage to match the requirements of the connected devices or batteries, preventing overcharging or damage to the system. Voltage regulators also help maximize the efficiency of the solar cells by optimizing the power output.
Q:What is the impact of extreme temperature fluctuations on solar cell efficiency?
Extreme temperature fluctuations can have a significant impact on solar cell efficiency. When the temperature rises, solar cells tend to generate less electricity due to increased resistance and decreased voltage. Conversely, in colder temperatures, solar cells may experience higher efficiency initially, but this could be offset by reduced performance as the temperature drops even further. Therefore, extreme temperature fluctuations can lead to a decrease in overall solar cell efficiency, affecting their ability to harness and convert sunlight into usable electrical energy.
Q:How do solar cells handle electrical noise or interference?
Solar cells do not directly handle electrical noise or interference. However, solar cell systems often include components such as inverters or power conditioning units that help mitigate electrical noise or interference by converting the direct current (DC) produced by the solar cells into alternating current (AC) that is more resistant to noise. Additionally, proper grounding and shielding techniques can be employed to minimize any potential interference from external sources.
Q:Can solar cells be used in disaster response vehicles?
Yes, solar cells can be used in disaster response vehicles. They can provide a reliable and renewable source of power to charge essential equipment and devices, such as communication systems, lights, and medical equipment. Solar cells are especially useful in remote or off-grid areas where traditional power sources may be disrupted or unavailable during a disaster.
Q:How do solar cells perform in areas with frequent earthquakes?
Solar cells can generally perform well in areas with frequent earthquakes as they do not have any moving parts and are not typically affected by ground vibrations. However, it is essential to ensure that the solar panels are properly installed and secured to withstand potential damages caused by seismic activities. Additionally, regular maintenance and inspections may be necessary to ensure the structural integrity of the solar system in earthquake-prone areas.
Q:Can solar cells be used in cloudy or rainy weather?
Yes, solar cells can still be used in cloudy or rainy weather, although their efficiency will be reduced. While solar cells generate less electricity under such conditions due to reduced sunlight intensity, they can still produce some power. Additionally, advancements in solar technology have improved the ability of solar cells to capture diffused and indirect sunlight, making them more viable in less optimal weather conditions.
Q:How much maintenance do solar cells require?
Solar cells require very little maintenance. They are designed to be durable and can last for several decades with minimal upkeep. Routine maintenance typically involves cleaning the surface of the solar panels to ensure optimal sunlight absorption and occasionally checking for any damage or debris. Overall, solar cells are a low-maintenance energy solution.
Q:Can solar cells be used in recreational vehicles or boats?
Yes, solar cells can be used in recreational vehicles or boats to generate electricity, making them a sustainable and efficient power source for these vehicles.
Q:How do solar cells affect property value?
Solar cells can positively affect property value by reducing energy costs, increasing energy efficiency, and providing a sustainable and environmentally friendly energy source. Additionally, solar panels can be seen as a desirable feature by potential buyers, leading to increased demand and higher property values.

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