• 305W Satellite Solar Panels - Direct Factory Sale Price 260-300Watt Solar Panels System 1
  • 305W Satellite Solar Panels - Direct Factory Sale Price 260-300Watt Solar Panels System 2
  • 305W Satellite Solar Panels - Direct Factory Sale Price 260-300Watt Solar Panels System 3
305W Satellite Solar Panels - Direct Factory Sale Price 260-300Watt Solar Panels

305W Satellite Solar Panels - Direct Factory Sale Price 260-300Watt Solar Panels

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Loading Port:
China main port
Payment Terms:
TT OR LC
Min Order Qty:
10000 watt
Supply Capability:
100000 watt/month

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Specification

Material:
Polycrystalline Silicon
Max. Power(W):
300
Number of Cells(pieces):
1

305W Direct Factory Sale Price 260-300Watt Solar Panels

305W Direct Factory Sale Price 260-300Watt Solar Panels

305W Direct Factory Sale Price 260-300Watt Solar Panels

Solar Module Introduction

Solar modules use light energy (photons) from the sun to generate electricity through the photovoltaic effect. The majority of modules use wafer-based crystalline silicon cells or thin-film cells based on cadmium telluride or silicon. The structural (load carrying) member of a module can either be the top layer or the back layer. Cells must also be protected from mechanical damage and moisture. Most solar modules are rigid, but semi-flexible ones are available, based on thin-film cells. These early solar modules were first used in space in 1958.

Electrical connections are made in series to achieve a desired output voltage and/or in parallel to provide a desired current capability. The conducting wires that take the current off the modules may contain silver, copper or other non-magnetic conductive transition metals. The cells must be connected electrically to one another and to the rest of the system. Externally, popular terrestrial usage photovoltaic modules use MC3 (older) or MC4 connectors to facilitate easy weatherproof connections to the rest of the system.

 

Specification

 

Model Type

Peak Power-Pmax(W)

5-200W

Open Circuit Voltage-Voc(V)

44.2

Maximum Power Voltage-Vmp(V)

36

Short Circuit Current-Isc(A)

5.4

Maximum Power  Current-Imp(A) 

5

Maximum System Voltage

1000V DC

Maximum Series Fuse Rating

10A

Power Tolerance

 -1~+3%

Temperature Coefficients of Pmax

 -0.45%/℃

Temperature Coefficients of Voc

 -0.348%/℃

Temperature Coefficients of Isc

0.031%/℃

Nominal Operating Cell Temperature

44.5±2℃

Standard Testing Condition(STC)

Irradiance:1000W/m²;Temperature:25℃;AM=1.5

Qualification Test Parameters

Operating Temperature

 -40℃~+85℃

Storage Temperature

 -40℃~+85℃

Pressure Bearing

≥5400Pascal/m²

Wind Bearing

≥5400Pascal/m²

Mechanical Characteristics

Cell Size

Mono 125*125mm±0.5

No.of Cells

72pcs(6*12)

Dimension

1580*808*40mm

Weight

15.5Kg

Glass

3.2mm High Transmission,Low Iron

Frame

Anodized Aluminum Alloy

Junction Box

IP65Rated

Internal Diodes

3 Bypass Diodes

Cable

1*4.0mm² Length 900mm

 

Images
 
Packing & Shipping:

 

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

The normal size is packed by 25pcs/ carton / pallet. Paper carton for FCL shipping and wood carton for LCL shipping.

 

Features

1.High reliability with guaranteed -3% to +5% power output tolerance, ensuring return on investment
2.High conversion efficiency based on leading innovative photovoltaic technologies
3.Withstands high wind-pressure and snow load, and extreme temperature variations
4.Attractive appearanceUnique frame design, high mechanical strength, and easy Installation

Warranty:

For c-Si panel: 25years output warranty for no less than 80% of performance, 10 years output warranty for no less than  90% of performance. Free from material and workmanship defects within 5 years.

For a-Si panel: 20 years output warranty for no less than 80% of performance, 10 years output warranty for no less than 90% of performance. Free from material and workmanship defects within 2 years.

 

•100% product quality protection

•100% on-time shipment protection

•100% payment protection for your covered amount

FAQ:

1What price for each watt?

It depends on the quantity, delivery date and payment terms.

2What is your size for each module? Can you tell me the Parameter of your module?

We have different series of panels in different output, both c-Si and a-Si. Please take the specification sheet for your reference.

3Can you provide the peripheral products of the solar panels, such as the battery, controller, and inverter? If so, can you tell me how do they match each other?

Actually we are only manufacturer of solar panels, but we could try to source them for you in China if you need. We could provide you an optimal system design to instruct you how to install.

4Do you have the CE, TUV, UL Certification?

We’ve already passed all the tests, and any certificate is available.

5Have you ever sold your products to companies in my country?

Of course, we have customers in all general PV markets, but I think we should expand our market share along with the market growth.

6When did your company set up?  You are a new company, how can I believe your quality?

We entered into Solar PV industry in 2005, now we have several plants in manufacturing of a-Si and c-Si panels, and our capacity is 220MW per year. Till now we have already passed all the tests by authorized laboratories, e.g. TUV, VDE, UL.

7Can you help us install the module if we cooperate with you?

We haven’t entered into installation sector, but we have the plan in near future.

8) 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.

 (9) Can you do OEM for us?

Yes, we can.

10Can we visit your factory?

Surely, I will arrange the trip basing on your business schedule.

Q: Are solar panels safe?
Yes, solar panels are safe. They do not produce any harmful emissions or pollutants during operation, and the technology has been extensively tested and regulated to ensure safety. However, it is important to follow proper installation and maintenance procedures to minimize any potential risks.
Q: we are planing to move out of the grid. we need to operate constantly 2 laptops online - does any one can tell us how much solar panels we shall need to make sure of that?
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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: How do solar panels affect the roof's lifespan?
Solar panels can actually help extend the lifespan of a roof. They act as a protective layer, shielding the roof from harmful elements such as UV rays, rain, and snow. Additionally, solar panels can reduce the temperature of the roof, which can help prevent heat-related damage.
Q: im aware i dont fully understand. but with what i do. if P = iv, and current changes with voltage, whats the point of changing either. if in any cicumstance, you end up with the same wattage, how does changing either effect a solar setup. (2v panel vs 24v)thanks in advance. explain in laymans if you can.
The choice of solar panel voltage comes down more to what the panels will be connected to. You're right that power can remain the same at the different voltages. Higher input (panel) voltages are sometimes used in inverter systems to reduce the effect of voltage draw-down. 2v panels (about 20v open circuit) work well for charging 2v batteries, connected in parallel, through a charge controller. For use of a grid-tie inverter, higher input voltages are sometimes used to reduce the effects of draw-down. You want to select and wire (parallel vs. series) your panels based on the input voltage requirement of the load, whatever it may be.
Q: Can solar panels be installed on art installations or sculptures?
Yes, solar panels can be installed on art installations or sculptures. In fact, integrating solar panels into art installations and sculptures has become a popular trend in recent years. This allows for the creation of sustainable and eco-friendly artworks that can generate renewable energy. Additionally, the combination of solar panels and art offers an innovative way to raise awareness about renewable energy and environmental issues.
Q: how big of an solar panel do i need to power/charge my laptop?would one from canadian tire sell the right one?
Most decent laptops can use 50W of power or more....so you'd actually need a large solar panel with good sunlight. I just looked up how big a 50W solar panel is....it's about 64x64 centimeters...which is very big and expensive! So, solar power may not be the best solution to power, or charge a laptop battery. Maybe there are some solar powered chargers that charge the battery very slowly, but probably not.
Q: I have seen quite a few different websites that talk about building your own solar panels for around $200. I wanted to know if anyone has had any experience with this before I decide to try it myself. It would be very helpful to know what I can expect from such an inexpensive setup; what kind of electronics or appliances would I be able to power. Realistically what can I expect from a $200 setup, and what would I need to power say a whole bedroom (clock, regular sized TV, PC, ext.).
Yes you can build a solar panel with that kind of money but i don't think you can do much with it. is more like a hobby or an experiment. If you want to see a custom made low cost solar panel check my blog.
Q: How do solar panels perform in areas with high pollution levels?
Solar panels can still perform well in areas with high pollution levels, but their efficiency may be slightly reduced. Air pollution can cause a build-up of dirt, dust, and particulate matter on the surface of the solar panels, which can decrease their ability to capture sunlight. Regular cleaning and maintenance can help mitigate this impact and ensure optimal performance. Additionally, advancements in solar panel technology, such as anti-reflective coatings and self-cleaning mechanisms, are being developed to address the specific challenges posed by pollution.
Q: Hello,What do you all think about the future of solar panels and what role they will play in the near future. There is tons of money being dumped into the industry and demand is slowly rising. Also do you have any favorite solar links to get more info about them?
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