• 300W Poly Solar Panel Medium Solar Panel Hot Selling Solar Panel CNBM for RV Roof System 1
  • 300W Poly Solar Panel Medium Solar Panel Hot Selling Solar Panel CNBM for RV Roof System 2
300W Poly Solar Panel Medium Solar Panel Hot Selling Solar Panel CNBM for RV Roof

300W Poly Solar Panel Medium Solar Panel Hot Selling Solar Panel CNBM for RV Roof

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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.

 

300W Poly solar Panel Mediuml Solar Panel Hot Selling Solar Panel CNBM

300W Poly solar Panel Mediuml Solar Panel Hot Selling Solar Panel CNBM

 

 

Specifications:

 

 

+/-3%

Polycrystalline silicon solar cells (156 x 156mm)

60 (10 x 6)

1650 x 990 x 40

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: What is the impact of roof color on solar panels' performance?
The impact of roof color on solar panels' performance is minimal. While a darker roof color may slightly increase the temperature of the panels, leading to a slight decrease in efficiency, the difference is typically not significant enough to significantly impact their overall performance. Other factors such as panel tilt, orientation, shading, and maintenance have a much larger influence on solar panels' performance.
Q: Can solar panels be installed in areas with high humidity?
Yes, solar panels can be installed in areas with high humidity. While humidity can slightly affect the efficiency of solar panels, it does not prevent their installation or operation. Modern solar panel technology is designed to withstand various environmental conditions, including high humidity, and they can still generate electricity even in humid environments.
Q: I am trying to built a circuit that will power two USB ports (both 5V and 0.5 amps) from the output of a solar panel that produces 20V at 0.2 amps. I have a voltage regulator that runs at 5v and 0.5 amps but I can't figure out the best way to boost the current up to 0.5 amps before I incorporate the voltage regulators.
If you want to power both USB ports at the same times, It might not be possibble. Your solar panel only supplies 2.24 Watts (20V * 0.2A) of power and you need to deliver 2.5 Watts (5V * 0.5A) to the ports. Subtracting any losses from your regulator(s), you will be WAY over your power budget. You will need more of a solar panel or less of a load.
Q: i want to build a stationary model of a solar panel and i dont know if it is going to be too simple or not i also want ideas to make it betterplease criticism is allowedmy idea was to make a case, just like a real solar panel, and take plexiglass to make it. i want to add some models of photovoltaic cells that look like they are in a solar panel . i want to add the fake shoulderings as well . i want to make the case openable by hinges.i would like some of your thoughts and ideas to help me .thx
Build okorder /
Q: Can solar panels be used for powering a water treatment plant?
Yes, solar panels can be used to power a water treatment plant. Solar energy can be harnessed and converted into electricity to provide a sustainable and renewable power source for operating the various equipment and processes involved in water treatment. By utilizing solar panels, water treatment plants can reduce their dependence on traditional energy sources and contribute to a more environmentally friendly and cost-effective operation.
Q: Was looking at 0w solar panel kit. Does this mean, all I can use is something like a 0W CFL light bulb and nothing else?
Graham is on the right track. However, you need to factor in a 80% DC to AC conversion loss. But yes a 0W CFL is about the size of it... Harbor Freight sells a system consisting of panels, battery, inverter, and TWO CFL's for $250. (You can power 2 CFL's off the grid for a very long time for $250)
Q: How do solar panels affect the roof warranty?
Solar panels typically have a minimal impact on the roof warranty. Most reputable solar panel installation companies ensure that the panels are installed in a way that does not void the roof warranty. However, it is always recommended to review the terms and conditions of the roof warranty and consult with the manufacturer or installer to confirm any potential implications before installing solar panels.
Q: how the energy of load connected to solar PV measure.?Want too the basic idea about it.The role of current flowing thrugh the load?Can u explain with example..can explain simply?Im not an electrical student so explain very basics
Most PV solar panels are labelled with their peak power output - this is the maximum power (measured in Watts) which that panel can generate in full sunlight. Remember these simple formula- V=IR and P=VI The current flowing through load keep the flow of electrons and thus energy is produced.
Q: Can solar panels be installed on mountain huts or lodges?
Yes, solar panels can be installed on mountain huts or lodges. In fact, mountainous regions with ample sunlight can be ideal locations for solar panel installations. These panels can harness the sun's energy and convert it into electricity, providing a sustainable and reliable source of power for the huts or lodges.
Q: Okay, so I have a science fair coming up soon and I need help with my project. SO - What should I use to demonstrate with the propeller? A toy boat? Plane? And I only have mini solar panels ; so how do I put the solar panels on the toy boat/plane to make the propeller move off of the sun's energy? Thanks. Steps please!
Solar panels produce electricity. To move the propeller you need mechanical motion. An Electric motor converts from electrical to mechanical power. Most Solar Panels produce DC electricity as do batteries so you need a DC motor that is sized to match the Output of your solar panels. For small temporary projects like this I find that hot melt glue is great to assemble parts. Using a voltage meter you can expose your solar panels to a strong light (or one equal to what you expect during your demonstration) and measure the voltage across the terminals. This may help to size the motor. It depends upon the size of your propeller and how it is made. Your three choices are to use it to power an airplane, to power a boat underwater or to power a boat like an air boat. You might also use the air boat concept to make a car. (air car) The air boat might be the simplest to make but you will need a body of water to demonstrate the concept. The air car doesn't have such a requirement.

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