Solar Panels for Sale Cheap:250w Direct Factory Sale Price 240-260watt Solar Panels

Solar Panels for Sale Cheap:250w Direct Factory Sale Price 240-260watt Solar Panels System 1

Solar Panels for Sale Cheap:250w Direct Factory Sale Price 240-260watt 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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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	158080840mm
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:

（1）What price for each watt?

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

（2）What 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.

（3）Can 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.

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

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

（5）Have 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.

（6）When 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.

（7）Can 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.

（10）Can we visit your factory?

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

Q: Why can't they put solar-panels on the blades and sides of the 300-500 foot tall turbines? Wouldn't this increase effeciency? Therefore, boosting pay-back time, profits, energy-output?: It would work better to put the solar panels on the ground beneath the windmills. Land underneath wind farms is perfectly usable for other things, and it gets plenty of sun. But then, if you think about good places for solar panels, parking lots make even more sense yet. There's plenty of em, and people like to park in the shade.

Q: Can solar panels be used to power a telecommunications network?: Yes, solar panels can be used to power a telecommunications network. Solar panels can generate electricity from sunlight and can be connected to power the equipment and infrastructure of a telecommunications network. This renewable energy source can provide a reliable and sustainable power solution for remote or off-grid locations, reducing reliance on traditional electricity sources and minimizing environmental impact.

Q: how efficient are flexible solar panels?: I don't have a number, but in general, no one uses a flexible panel unless they are compelled to. The efficiency is lower, and my experience is that they don't last. I had one a few years ago, and it lasted less than 2 years. My rigid panels came with a 25-year performance warranty, and are still working great after 7 years.

Q: Can solar panels be used for powering a museum or cultural institution?: Yes, solar panels can certainly be used to power a museum or cultural institution. Solar panels are a sustainable and renewable energy source that can generate electricity by converting sunlight into usable power. By installing solar panels on the rooftops or surrounding areas of a museum or cultural institution, it is possible to produce clean energy that can be used to power the building's lighting, heating, cooling systems, and other electrical needs. This not only reduces the institution's carbon footprint but also helps save on energy costs in the long run. Additionally, solar panels can serve as a visible symbol of the institution's commitment to environmental sustainability, inspiring visitors and the community to embrace renewable energy solutions.

Q: Was at home depot today and a Solar City sales man came up to me, offering me free solar panels. He said he could install them on my garage for free, free installation, free panels. Promised me it wouldn't cost me a dime. This is obviously appealing to someone like me who has a $200.00 monthly electrical bill. Now my question is this. Is this a scam? Are there ANY hidden fees or things I should be weary of?- I understand I may not save tons of money, but if I can save even something as low as $20 a month I would be happy. I live in a sunny area and they seem very interested in my garage roof. Any information would be super-helpful, thank you.: What that means is free, considering the cost of electricity saved, i.e., no additional out-of-pocket costs. It could still be a good deal. For example, your bill is now $200 a month. Maybe the solar drops your bill to $40 a month, and you pay $50 a month to SolarCity for the duration of the lease. One thing to remember, though is that only works if your bill drops to $50 a month or less. If the panels don't produce enough, you may end up paying a $60 electric bill, and still $50 to Solar City, for the duration of the lease. They will also count on getting your federal tax credit, so I don't know how that works into the price. Also, they must make money as a leaseholder or financer, so it shouldn't be as good a deal as simply installing panels and paying for the whole thing up front. We installed solar electric in 2006, and it's still working great. If I had to do it over again, I think I'd get solar hot water first, though.

Q: hey, Im going into my senior year at high school and after that will be moving to Pennsylvania where my family has a house on ten acres and I will be going to college there and living all year around. My father wants to build a huge barn for our cars and other stuff like tools, I mentioned too him what about solar panels on the roof to power maybe the house and barn. Would this be a good Idea? Where would be the best place to look into getting solar panels be? Thanks for anyones help!: This is a site that can help you estimate the size and number of panels that will power what you intend to provide for. There are plenty of sites selling the panels, so compare prices. Also, check whether your state is offering the rebate like the state of CA is and what the restrictions, terms and conditions are. Even with the rebates they are very costly, so be certain to calculate the pay off period for your application to see whether it is a cost efficient option for your energy usage.

Q: Has anyone had any experience building their own solar panels for home use? I have seen on the news lately that people are utilizing solar panels to power their hot water heaters to save on their power bill.: a solar hot water heater is not a solar panel that makes electricity that runs your hot water heater.....it is merely a long tube or pipe, bent back on itself so there,s, say 00 feet in a 2foot by 4 foot space; it's in a framework and under a sheet of glass or plastic; You put out in the sun and it captures heat.....ever notice how hot the water is coming out a garden hose that has been left out in the sun in summer? Same idea.. we have used them here in the islands for years and they work great. Even up north, a solar hot water heater that preheats the water before it goes to a traditional water heater should work fine.

Q: Can solar panels be installed on remote monitoring systems?: Yes, solar panels can be installed on remote monitoring systems. Solar panels provide a reliable and sustainable source of power for remote monitoring systems, allowing them to operate efficiently even in areas without access to grid electricity.

Q: Do solar panels require building permits?: Yes, in most jurisdictions, solar panels require building permits. The requirements for obtaining a building permit may vary depending on the location and the size of the solar panel installation. It is important to check with the local building department or municipality to determine the specific regulations and permits needed for installing solar panels.