Solar Panels Soft - 75w Efficiency Photovoltaic Chinese Solar Panels for Sale 5-200w

Solar Panels Soft - 75w Efficiency Photovoltaic Chinese Solar Panels for Sale 5-200w

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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 Module is the core part of solar PV power systems, also is the highest value part of it. The function of Solar Module is to convert the sun's radiation to electrical energy, or transfer it to battery and store in it, or to drive the load running.
The Product has been widely used in space and ground, it mainly used for power generation systems, charging systems, road lighting and traffic signs areas. It could offer a wide range of power and voltage, and with high conversion efficiency, and long service life.

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.

Secification

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.

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.

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: How do solar panels affect the overall energy security of a building?: Solar panels can greatly enhance the overall energy security of a building. By harnessing the sun's energy, solar panels provide a reliable and renewable source of electricity. This reduces dependence on traditional fossil fuels and the associated risks of price fluctuations, supply disruptions, and geopolitical tensions. With solar panels, buildings can generate their own clean energy, ensuring a more stable and self-sufficient power supply, which ultimately contributes to a stronger energy security profile.

Q: Where can I find updated info about solar panels for home?: Of the practical technologies, crystalline silicon is still king. There have been improvements in manufacturing efficiency and price, but the fundamental technology is unchanged. For the past couple decades, there have been startups claiming that they will have a breakthrough available in 2 years, but so far, nothing has beat crystalline silicon for general applications. The appeal of thin-film was its cost, at the penalty of efficiency, but when the prices of crystalline plummeted, the cost argument went away. That wasn't the only problem Solyndra had, but it contributed to the company's demise. Organic solar cells show promise, and might ultimately be very cheap to manufacture, as they don't involve the high-temperature processing that semiconductors do. The main problem today is that they're not stable at the temperature of a hot roof. But then again, a few years ago, organic LEDs were the same way, and now they're commonplace in big TV's. Only time will tell. From a homeowner's standpoint, the install is routine, but still best done by professionals. It's like putting a new roof on a house, or wiring in central air conditioning. For most, it's better to call a pro.

Q: i have to do a science fair project and thought it would be cool to make a solar powered vw bus. i have 2 6volt solar panels to power a dc motor that works off of 9v 2v or 8v. i also bought a 2nd motor because the first wasnt workin for us. this one is a 3v motor. ive had them in the sun but they wont work. please help, thanks: Solar Dc Motor

Q: I'm trying to charge rechargeable AA batteries with a solar panel. What guage wire should I use to connect the panel to the batteries? Should I use a diode to keep the batteries from overpowering the circuit? If so, what size? My panel is 4.8V 50mA.: With that size panel, you should be able to recharge either AA battery, or two AA batteries in series. Yes, it would be a good idea to put a blocking diode in series with the panel - anything will do, like a N448. You will want to use NiCd batteries if possible, because they take a trickle charge of 50 mA much better than NiMH (which prefers pulse charging, a more complicated circuit). You can use NiMH if you must. Needless to say, don't try to charge non-rechargable batteries. Also realize that at this charge rate, it will take days, maybe even a week, to charge the batteries, if left out in full sun all day long.

Q: Are solar panels worth the investment?: Yes, solar panels are worth the investment. They not only help reduce electricity bills, but also provide a clean and renewable source of energy. Additionally, they can increase the value of a property and contribute to a greener and more sustainable future.

Q: i want to know how to hook up solar panels to my existing power. all i can find on the internet is to use batteries and a inverter. but i want to use all of my existing lights and outlets off of the solar energy. i have heard that you can actually turn the meter backwards and use supplied power when needed. thats what i want to do and is it possible to do myself and if so, how?: Contact your power company. They will advise you of the proper configuration. If you try to attempt this without notifying the power company and something goes wrong, they can and most likely will hold you responsible for all damages.

Q: Can solar panels be used in conjunction with a backup generator?: Yes, solar panels can be used in conjunction with a backup generator. This setup is known as a hybrid system. During periods of sunlight, solar panels generate electricity and can power a home or facility. Any excess energy can be stored in batteries or fed back into the grid. When sunlight is insufficient, a backup generator can automatically kick in to provide electricity, ensuring a continuous power supply.

Q: does it mean that it can get that much in a day? Or like, in an hour?: watt is a measurement of energy watt=3.4 BTU BTU(British thermal unit )=amount of energy to raise pound water degree f. us gallon water = 8.33 lbs can gallon water = 0 lbs depending if 0vac then a solar panel can light a 00 watt bulb or 6 5watt high efficiency bulbs

Q: Ok so I am planning on buying a solar panel. I am doing it to possibly sell the energy that it stores. It is a 20 watt panel so I am just wondering if every week or month if I sold that energy that it stored would make me a good profit. I am not hoping for thousands of dollars a month..just like 00? The solar panel cost me $,00 so if so, how long do you think it would take to make good profit. Also, how much would I make every week or month?: I will give you the tools to answer your own question. Here is the solar resource map: rredc.nrel /solar/old_data/nsr... Use it to look up the hours of peak equivalent sunlight per day in your area. For example, let's say it's 5 hours / day. Then per year you get 365 x 5 = 825 hours of sun Your panel is 20 watts, or 0.2 kW So the energy produced per year is 825 x .2 = 383 kWh You'll have to use the proper numbers for your own area, of course. Anyway, you can take that 383 kWh and determine how much it would cost at local electric rates. Never know, on some islands, it's $.00 per kWh. Check with your local electric company for rates.

Q: Can solar panels work in the shade?: For the best answers, search on this site https://shorturl.im/axO4z Yes you are correct. The internal resistance of a solar cell increases at reduced light levels. This means that an increased proportion of the the power produced by the other solar cells will be wasted (slightly heating the shaded solar cell through ohmic heating). This happens to some degree even when the cells are all fully illuminated. Waisting power this way can be avoided by connecting the cells in parallel.

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