• Caravan Solar Panels:275w Direct Factory Sale Price 260-300watt Solar Panels System 1
  • Caravan Solar Panels:275w Direct Factory Sale Price 260-300watt Solar Panels System 2
  • Caravan Solar Panels:275w Direct Factory Sale Price 260-300watt Solar Panels System 3
Caravan Solar Panels:275w Direct Factory Sale Price 260-300watt Solar Panels

Caravan Solar Panels:275w 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

275W Direct Factory Sale Price 260-300Watt Solar Panels

275W Direct Factory Sale Price 260-300Watt Solar Panels

275W 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: I want to install a solar panel on my car. I want to know that how much energy can be generated by a panel of size 4 foot by 6 foot. and the cost of installation.
A little more than 0 watts per square foot, so that size panel would generate 250 watts under ideal conditions, which is noon on a sunny but not too hot day, near the equator. That's about /3 horsepower, or the same power as a man working hard. That is larger than needed to keep the battery of the car charged, unless you plan to run a laptop or something off it at night. The power is also too small to power the car for driving. If it's an electric car, you could get maybe another 2 miles per day out of the car, again, under ideal conditions. An RV store might have an idea of how much installation would cost. They would be accustomed to solar panels for RV's, but probably not small cars. A panel of that size would cost perhaps $500-800 just for the panel.
Q: I think that solar panels are the future and i think that the conventional way of generating electricity is going to be replaced by solar panels. I would like to be part of this industry as an entrepreneur but i do not know how to since i do not have a technical background. I would like to sell solar panels to consumers and to business. Should I start a manufacturing company that manufactures solar panels? Should I buy solar panels from manufactures and sell them to consumers? What should I do?
actually, i think of it rather is an extremely lifelike purpose for recuperating air high quality and suplying skill. you will not go with to apply it as a highway floor, as deposits from tire treads might degrade its productiveness, yet one among those equipment could actually be built alongside roadways and rail structures. Panels would not could be as extensive as a roadway, as you have practically countless linear area. besides the undeniable fact that, i don't think of it will make a distinction in worldwide climate replace. the time-honored utilising tension for worldwide warming isn't guy-made polution, yet organic phenomena which contain volcanic eruptions. human beings in all probability have some effect, yet its slightly like the entire tea-cup-in-the-swimming-pool difficulty. there is not something that could be executed approximately worldwide warming. keep in mind that the earth's climate is in a relentless cycle from chilly to warm, and back to chilly. i'm confident you have heard of ice a protracted time.
Q: How much energy can be generated from a solar panel on a clear, bright summer's day for example?
it depends on the size of the panel and if it is installed in an optimal location. there are many 00W panels commercially available and they can be ganged for a number of different output configurations.
Q: Hi there. I live in Colorado, and we obviously get a ton of snow there. I im looking into a solar power system for my home, and I am wondering if the snow will accumulate on the panels, or if, because of the energy passing through, it will melt on contact? By the way we get about 20' of snow each year, and it comes on often. I will also be putting them on my roof. Thanks for your help.
Good news and not so good news. You need to be able to access the panels to clean the snow off. There is not any heat generated other than the heat of the sun hitting the black colour - which would amount to some melting ability during a sunny day - but it isn't sunny when it snows! Apparently, solar panels work better in the cold and where snow can reflect light so to increase the amount of light - photons - hitting the panel.
Q: Can solar panels be used in areas prone to hurricanes or earthquakes?
Yes, solar panels can be used in areas prone to hurricanes or earthquakes. However, they need to be properly installed and reinforced to withstand the potential impact. Additionally, in areas prone to hurricanes, it is recommended to have a plan in place to secure or remove the panels before the storm hits to prevent potential damage.
Q: I have a solar panel I bought for a diy project and it has a small plug on the end of it, but I need to remove this plug to expose the positive and return wires so I can solder a bunch of stuff together. How do I cut off the plug without shorting out the solar panel when I make the cut? Can I just leave it in the dark a while before cutting? I don't think I can remove the wires from the solar panel end before cutting.
A solar panel doesn't store energy. As soon as the light stops, the current stops instantly. If it's a 200-watt panel or more, it won't be harmed by a short circuit, but it might be good to turn the panel over or cover it with cardboard before working on it. The spark can slightly mar the contacts. Doing the work indoors is enough to cut down the current, too. For a 60-watt panel or less, I wouldn't even worry about the spark, the power output is too low to do any damage.
Q: Can solar panels be used for powering outdoor recreational vehicles?
Yes, solar panels can be used to power outdoor recreational vehicles. They are an efficient and eco-friendly way to generate electricity for various equipment and appliances such as lights, refrigerators, fans, and even charging batteries. Solar panels can provide a reliable source of power while being mobile and self-sustaining, making them an ideal choice for outdoor recreational vehicles.
Q: Solar panel for battary charging
What you are stating is that the battery you have will operate the UPS for about 2 hours before it is drained past the point of no return (technically 2.82 hours, but that would be a dead battery - most well-designed UPS systems cut off when the battery gets below about a 30% charge so that battery is not damaged. Lead-Acid batteries have about a 0%/month self-discharge rate if there is no load connected. The very best systems are as low as 3%, the worst are over 20% - and all at a 'normal' temperature. So, you will need a maintenance charger of about ten (0) watts or so - amp will be more than enough. And about any solar panel will handle that much with the proper charging connection.
Q: What is a good sight that I could go to about installing solar panels and all of the considerations of it?
I okorder / okorder /how-solar.html to see how the cost adds up for you.
Q: i was reading the popular science magazine and i saw that they might make a Sun Powered it Absolutely NOT possible to make a car with a Solar Panel? I dont see any harm in making it..
it's possible, but the oil company don't want you to, besides solar-powered cars need to be quite big to have those panels mounted on to provide the needed power, thus it'll take up alot of space on the road. they can't be as powerful as gas-powered cars in terms of speed hauling power. maybe they should make 2-seaters for city users, that'll cut down on the pollution ease up the gas prices. of course, they can make a hybrid car that uses an alternative power, like gas/solar or dry cell/solar to solve the problem... parking-meters with a power-plugs for you to recharge while you park.

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