• 280W Direct Factory Sale Price 260-300Watt Solar Panels System 1
  • 280W Direct Factory Sale Price 260-300Watt Solar Panels System 2
  • 280W Direct Factory Sale Price 260-300Watt Solar Panels System 3
280W Direct Factory Sale Price 260-300Watt Solar Panels

280W 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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Item specifice

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

280W Direct Factory Sale Price 260-300Watt Solar Panels

280W Direct Factory Sale Price 260-300Watt Solar Panels

280W 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:My family and I are looking into solar panels for our home. But I'm unsure how it would be priced. This month our home used ,623 kwh. The solar panel company said we should expect $6-$9 per watt used. What would that put as at?
I don't know how they calculate out the savings, but ask your local supplier. The expensive part of heating hot water is the initial starting of the warming of the cold water, but this is where solar panels come to play a very good role in preheating home hot water cylinders. Sometimes the water coming from the solar panels is hotter than what the hot-water cylinder thermostat is set for this is one way you save money Another equally expense of heating hot-water is when the element thermostat keeps the temperature up to the desired setting of the thermostat. Where as having a solar panel or two the hot water cylinder is only a storage container to store the hot water in! A great invention in my book! The initial costs are buying these units having them installed, but over time you will start saving money on your heating hot water costs, where you will be able to waste a bit of hot water and not worry about the costs going to waste or down the drain... I suppose you know all of this, but I'm sorry, I can't convert your conversion question, best ask the supplier to put everything in layman's terms so you can understand it better more clearly! Cheers!!
Q:Do solar panels increase property value?
Yes, solar panels can increase property value. Studies have shown that homes with solar panels tend to sell for higher prices compared to similar homes without them. The energy cost savings, environmental benefits, and potential tax incentives associated with solar panels make them an attractive feature for potential buyers, ultimately boosting the property's value.
Q:Im doing this project on Solar panels and im not so sure what they are!some questions i have are who invented them and what were they invented? If u could know anything on Solar Panels i would love to hear it. Thanks!!!!!!!!!!!!!!!!!!!!!
Solar power is harnessed through solar panels. These solar panels consist of numerous solar cells. That helps in producing the electricity
Q:Can solar panels be used for powering water treatment plants?
Yes, solar panels can be used for powering water treatment plants. Solar energy can be harnessed to generate electricity, which can then be used to power the various processes and equipment involved in water treatment plants. This environmentally-friendly approach helps reduce reliance on fossil fuels and contributes to sustainable water management practices.
Q:Can solar panels be installed on historic buildings?
Yes, solar panels can be installed on historic buildings. However, the installation process needs to be carefully planned and executed to ensure that it does not damage the historic fabric or compromise the architectural integrity of the building.
Q:What happens to solar panels during extreme weather conditions?
Solar panels are designed to withstand a wide range of weather conditions, including extreme weather. However, during severe weather events such as hurricanes or hailstorms, there is a possibility of damage to solar panels. In such cases, the panels may become dislodged, cracked, or shattered. Regular maintenance and proper installation can help minimize the risk of damage, and many solar panels are built to withstand high winds, heavy rain, and even snow.
Q:can solar panels have glass between the panels and the sun?
As above, but also make sure the panels you use will still produce if partially shaded. Some older panels will quit producing if you so much as put your hand over a small portion of it. Newer ones don't do this but are more expensive. As you may need more panel area to produce enough energy to fill a battery (if that is how you go) make sure you have the room/roof area for additional panels.
Q:What's the best deal going on companies leasing out Solar Panels in California?
you have been very mislead by someone. Or ? did you listen to a Obama speech or something ? EDIT ; thanks for response via e mail. But if you think you can save money by, renting solar panels , then you are a very ignorant person. The only way that a scheme would would work ,is if the company that is leasing the panels to you ,,have bribed lobbied the local or fed politicians to get subsidized to provide the panels. then they get payed to install them and guaranteed to make a profit by the gov. for green energy that is why you have to pay 25 cents , while most people pay 0 cents , because you subsidizing all the profits of these Professional thieves. Who's job is to find new ways to get into that deep pool of public dollars,,tax dollars . Question for you .. Do really think the rented solar panels will? ) pay for installation 2) pay for the cost to buy the panes 3) pay the sales commission to the people that sold it to you 4) pay the on going commission to those that over see them 5) Add to that the higher rate on your elec bill to pay for these people to be subsidized , so they can rent you some solar panels ??????? Like I said ,,,,,,,you must be very ignorant about energy. Or very Ignorant about the thousands of companies that are formed to succk tit of the tax payers. You are ignorant on both of those points. So dont get piisssed of at me for answering your question !!!!! Instead , you should ask why you are so easily led ? Why you are so easily fooled by the users ? That is those that use the gov to use ignorant people like you. HAHAHAAH. And you fell for the whole scam without even realizing it That is why I use the word ignorant ,, because you are. If you dont know what ignorant means google it to find out. because you are,
Q:Can solar panels be used for powering public transportation?
Yes, solar panels can be used for powering public transportation. Solar energy can be harnessed through solar panels and converted into electricity, which can then be used to power electric buses, trains, or trams. This approach is eco-friendly and sustainable, contributing to reducing carbon emissions and dependence on fossil fuels in public transportation systems.
Q:Are solar panels durable?
Yes, solar panels are generally durable. They are designed to withstand harsh weather conditions, such as rain, snow, and wind. Additionally, they have a long lifespan, typically ranging from 25 to 30 years. However, the durability may vary depending on the quality of the panels and the installation process.

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