• 300wtt Solar Panels for Sale Price List and Manufacturers in China System 1
  • 300wtt Solar Panels for Sale Price List and Manufacturers in China System 2
  • 300wtt Solar Panels for Sale Price List and Manufacturers in China System 3
  • 300wtt Solar Panels for Sale Price List and Manufacturers in China System 4
300wtt Solar Panels for Sale Price List and Manufacturers in China

300wtt Solar Panels for Sale Price List and Manufacturers in China

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Loading Port:
China main port
Payment Terms:
TT OR LC
Min Order Qty:
6500 watt
Supply Capability:
4000000 watt/month

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A Grade 250w high efficiency Poly PV Solar panels

Max   Power Voltage Vmp(V)

31.5

Max   Power Current Lamp(A)

7.94

Open   Circuit Voltage Voc(V)

37.5

Short   Circuit Current Isc(A)

8.72

Temperature   Coefficients of Isc (%/)

0.0825

Temperature   Coefficients of Voc (%/)

-0.4049

Temperature   Coefficients of Pmp (%/)

-0.4346

Max   Power(w)

250

 

Mechanical & Limits Data

Dimension   (mm)

1640*992*40

NO of   Cells and Connections

60(6x10)

Weight(kg)

18.5

Tolerance

0~+5%

Cell

Polycrystalline Cell 156 x 156 mm

Operating   Temperature

–40 °C   to +85°C

Max   System Voltage(VDC)

1000

Packing

312PCS/20ft(H)   Container

 


Products Detailed Pictures


300WTT Solar Panel Price List and Solar Panel Manufactures in China

300WTT Solar Panel Price List and Solar Panel Manufactures in China

We are a Quality + Service oriented company with“Excellence at Each Step” approach, composed of the finest
components from TUV and IEC-certified partners around the world, modules consistently undergo a variety of

trials at the company’s Test & Development Centre, ensuring peak performance capabilities. The company is
committed to develop and provide the world with clean and renewable energy to ease the energy shortages as well
as human kind’s impact on the environment.



 12 years guarantee for workmanship

 Timeliness of delivery

 Quality Products certified (TÜV, UL, CE, ISO)

5.How do you pack your products?

We have rich experience on how to pack the panels to make sure the safety on shipment when it arrives at the destination.

6. Can you do OEM for us?

Yes, we can.

7.How long can we receive the product after purchase?

In the purchase of product within three working days, We will arrange the factory delivery as soon as possible. The pecific time of receiving is related to the state and position of customers. Commonly 7 to 10 working days can be served.

 

300WTT Solar Panel Price List and Solar Panel Manufactures in China

 


Now is a great time to go solar and harvest the power of the sun. Here is our top ten list of the benefits to installing solar power:

1, When installed, solar energy is free – no resources are consumed 
2, Help to lessen our dependence on heavily polluting coal power stations 
3, Fossil fuels can't last forever, future generations will appreciate the effort 
4, You are gaining energy independence - add battery backup power for even greater energy security 
5, The cost of electricity is only going to rise – insure against that rising cost 
6, Quality solar power and water adds value and appeal to your home 
7, Solar PV systems are easily upgraded in future - aim to make your house a net energy producer! 
8, Solar panels offer a long lifetime of low maintenance service, maybe 30-40 years 
9, Your friends will think you're great! 
10, You'll feel great for doing your bit for the environment!



Q: Can solar panels be installed in areas with high seismic activity?
Yes, solar panels can be installed in areas with high seismic activity. However, special considerations need to be taken into account during the installation process to ensure their stability and durability. Reinforced mounting systems and appropriate anchoring methods can be utilized to enhance the resistance of solar panels to seismic events. Additionally, regular inspections and maintenance should be conducted to identify and address any potential issues that may arise due to seismic activity.
Q: What Are Solar Panels Made Of?
Silicon, simular to aluminum foil. When assembled correctly will produce electricity. This is a prosition process to construct. Check out DIY sites on the internet. I hope this was helpful?
Q: Can solar panels be used in areas with high levels of seismic vibrations?
Yes, solar panels can be used in areas with high levels of seismic vibrations. However, it is important to ensure that the solar panel installation is structurally sound and designed to withstand the vibrations caused by seismic activities. Additional measures such as reinforced mounting systems or flexible support structures may be needed to enhance the resilience of the solar panels in such areas.
Q: Can solar panels be used on agricultural land?
Yes, solar panels can be used on agricultural land. In fact, solar installations on farms and agricultural areas have become increasingly popular due to the dual benefits they offer. They not only generate clean energy but also provide farmers with an additional revenue stream. By utilizing solar panels on their land, farmers can offset their energy costs, reduce their carbon footprint, and contribute to a more sustainable future.
Q: I'm wondering if the cost of the panels and equipment have come down enough to make them viable in areas like Seattle or Vancuver for example.
The key is the average insolation value for the location. This is a number that represents the effective numbers of sunlight available per day. The insolation for Seattle varies from 2.9 and 3.57, depending on who is reporting the number. The insolation where I live, near San Francisco is 5. For me, solar is paying off.
Q: If you buy everything you need for a grid-tied solar set up, can you install it yourself or is it required that a professional installs it?
Solar panels have to be installed by a professional in order to get the government rebates. Also the systems must meet state and local electrical codes. Most modern inverters will not turn on unless there is live power from the MAINS, so a ultility company is NOT required for any installation anywhere. There are plenty of electrical contractors and speciality solar contractors out there to help you to make sure that the system is properly designed with the correct components, properly installed, and legally certified. Also many states require a permit that may have a large fee before any installation and may not allow the homeowner, especially for city homes, so it is best to check first. You might be able to get away with it if you live in the country, but consider the safety as well. See if you can work with your contractor to get the materials that you both agree upon as well. They can help guide you based upon their experience. Also shop around for pricing as the panels are now going below $ per watt !
Q: For part of a school project how would I charge a car battery with a solar panel? The panel is 48V and 6A. This needs to be low budget so I can't buy an expensive controller, Is that the only way or are there other ways of doing it?
48 volts is rather uncomfortable. I would be inclined to modify the panel by cutting traces to give me a number of 5 volt sets. Most PV cells output about 700 mV, but check to see what yours does. Measure one cell, or count the number of cells and divide into the panel voltage. If you work with the 48 volt output, you are throwing 70% of the output away. The classic method of charging a lead/acid battery is to use the 0 hour rate...a 200 AH battery is charged at 20 amps. However if the charge is to be near continuous during daylight, I think I would go a little lower...say 5 amps in order to be kind to the battery. I note that your panel has a 6 amp output, so when you modify it, it should be able to deliver about 8 amps. A useful trick is to use car headlamp bulbs in series. The filament has a high positive thermal coefficient of resistance, and tends to act as a current regulator. In this case, I would use two dual filament bulbs with their filaments in parallel, arranged in series.
Q: I'm looking into buying solar panels, there are all kinds of ranges of energy output...but my question is, when ti says...say 50 watts of power...does that mean 50 watts a day, an hour, a minute, what?
A 50-watt rating means the panel will produce 50 watts as long as the standard conditions are maintained. So if you had this bright sun and cool temperatures for 6 hours, the panel would deliver 50 x 6 = 900 watt hours, or a little shy of kilowatt-hour. Kilowatt-hours (kWh) is the reading on your electric bill. However, like most advertising, the 50-watt number is not realistic. They assume that the air surrounding the panel is very cold. 25 watts is a better number to use for this size of panel for engineering purposes.
Q: how to build a solar panel
Build okorder
Q: i really need to know howbecause im building a solar powered car for science fair :]thank you!
get some stuff, put it on the other stuff

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