70W Efficiency Photovoltaic Chinese Solar Panels For Sale 5-200W

70W Efficiency Photovoltaic Chinese Solar Panels For Sale 5-200W System 1

70W 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:: 11000 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 I clean my solar panels?: To clean your solar panels, start by checking the manufacturer's instructions as some panels may have specific cleaning requirements. Generally, you can clean them by gently rinsing with water using a hose or a bucket and sponge. Avoid using abrasive materials or harsh chemicals that could damage the panels. If there's stubborn dirt or debris, you can use a mild soap solution with a soft brush to gently scrub the surface. Regularly cleaning your solar panels will help to maintain their efficiency and ensure optimal energy production.

Q:hi,i have 4 solar panels. I can get 9V 400mA when i wired them parallel. The question is: how can i make a regulator circuit to store power into batteries.: wire them in series parallel to get 8 volts at 200 mA, and that should charge a 2 volt battery. You may want to put in a series diode to prevent the battery from discharging into the panel when the sun is out. At 200 mA, depending on the battery size, you may not need much control, as that low a current will not overcharge a large battery, like a small auto battery. In fact it will take a very long time to charge it. edit: But do i need to add a regulator? If by that you mean a voltage regulator, no, as a solar panel has a high output resistance, and that will limit the current into the battery. If you mean a charge controller, if the battery is small, you may need a charge contoller to avoid overcharging the battery. But that is not a voltage regulator. .

Q:Can solar panels be installed on remote or off-grid locations?: Yes, solar panels can be installed on remote or off-grid locations. In fact, they are highly suitable for such areas as they do not rely on a traditional power grid for electricity generation. By harnessing sunlight, solar panels can provide a reliable and sustainable source of power even in remote locations where connecting to the grid may not be feasible or cost-effective.

Q:i am starting to consider getting solar panels instead of paying electric bills which are somewhat higher now than they used to be: Solar power is expensive power. The costs have been coming down but unless it's the only option or there are government subsidies, it would still be less expensive to buy electricity from the grid. The way you compare the upfront costs of solar power with monthly bills is by the Internal Rate of Return equation or the Net Present Value calculation. Vendors will use the payback periods to try and convince you into a financial decision where they reap all the benefits so you need to learn how to do a proper financial analysis. The average US household uses about 950 kwh per month, unless you are very wealthy, you will not be able to afford enough panels for that and you probably don't have enough roof space. You will have to reduce your power usage as much as possible. Batteries are expensive and inefficient. Lead acid batteries are 95% efficient at discharging but only 50% efficient at charging. A battery based system would not only include the costs of the batteries but would also double the number of panels required. Lead acid batteries have their lives rated at only 20% draws on their capacities, they lose a lot of life with each deep cycle. There are deep cycle batteries which have thicker plates but they are also rated at 20% draw and a deep cycle battery's life would drop to 94% with just one deep cycle draw. This means, it's customary to buy five times your diurnal capacity worth of batteries, fortunately this allows for several cloudy days. If you do want to have deep discharges, buy Nickel Iron batteries. You will want a grid tied system instead where you sell the power you produced to the utility and buy back what you need effectively turning the grid into a 00% efficient battery. Of course, there are costs involved as the utilities would likely charge a monthly fee just to be hooked up so this cost must be taken into account. There is also the risk that the utilities may change their net-metering arrangements on you later.

Q:If I wanted to add solar panels to my home to produce on average, 8 kWh of electricity daily, how much do you estimate it would cost using state of the art technology?I live in Virginia (Washington DC Metro Area), and I have Dominion Power. I pay the following electric rates:Jun-Sep $0.0904/kWhOct-May $0.0776/kWhAnnual Ave: $0.0824/kWhDistribution charges add on approximately another $0.0228/kWh.How long would the ROI for an 8 kWh/day solar system be?: Figure 8 hours of sun per day, so 8 kW-hr is a rate of kW, which is a medium sized panel, probably not enough to operate your house totally, unless you have a very small unit. Averaged over 24 hours, that is power at a rate of only 300 watts, enough for a TV. Average US home use is .2 kW, which over 24 hours is 29 kW-hr, plus you need extra for cloudy days, peak demands, and to charge batteries. You have to decide off-grid or on-grid, and if you want to (and are allowed to) sell excess power to the power company. Off gird, the cost of batteries and charge controller are a large part of the cost. On-grid, you have to purchase equipment approved by the power company to match your power with the grid. Panels will cost about $3 per watt, so for 000 watts that is $3000. Double that for installation, then add in cost of charge controller, inverter, batteries, etc. The last items depend on your alternatives, see paragraph above. .

Q:Can solar panels work in cloudy weather?: Yes, solar panels can still work in cloudy weather, although their energy production may be reduced. Cloud cover reduces the amount of sunlight reaching the panels, resulting in a lower output. However, modern solar panels are designed to generate electricity even in low-light conditions, making them still effective in producing energy during cloudy days.

Q:Do I just run the wire from the panel into the charge controller and then to the battery AND can I simultaneously draw energy from the battery while it is being charged by the panel?Is it as simple as hooking it up like that?: I okorder / for excellent inspirational info within my blog to help not only our world and its creatures, but to also open peoples hearts and minds to many amazing wonders that life has to offer. I also have lots of info in my blog to help fuel peoples imaginations to many possibilities that can be found only in the minds eye. Along with lots of environmental info, amazing environmental pictures and videos (These videos show the beauty of this world and what life can be like if people take the time to appreciate life’s true beauty). Let us all strive for a greener/brighter future by helping to create a solid foundation for future generations to build upon, so we can hand them a beautiful world, filled with never ending awe and wonders!! Where peoples differences and uniqueness are accepted, where we all live as one, helping one another so that we can all play our own mysteriously beautiful melodies in the never ending, awe inspiring, song of life :-) I truly have faith in humanity and believe that someday our lives and the world in which we live will truly be transformed for the better.

Q:What are the benefits of solar panel heating?What does it cost for solar panels?any other important facts about it?: Solar okorder

Q:Hello, I have been trying to go green, I Have purchase somesolar panel they are about 45watts I been putting it against my window and getting ok power out of it enough for my lights and a couple of low watts gadget (cellphone, 2v light, portable dvd) for couple of hours.But its seem to drain the 2v faster then I can charge Am I getting the most power out of my panel?Or should I place it on the roof? I'm in Texas and it gets hot and sunny the sun beam my room windows pretty good during 4pm-6pm.: Solar panel generates fairly low, unreliable source of energy. They are most likely very expensive. Despite all of that, your window may act as a beam filter by refracting the beam or reflects them off trough total internal reflection causing a low yield of sunlight harvest. Sunlight is also necessary to hit the panel 90 degrees to harvest maximum output.

Q:What is the most affordable, yet highest watt solar panels available?: in case you raise a dumb-bell a undeniable style of feet, you have expended a undeniable volume of potential, does this variation if the gymnasium exchange into on yet another floor of the construction? Grounding is needed for defense and to dodge floor loops from happening, the quantity of potential produced would not exchange and any adjustments in potential will bring about a risky floor loop attempting to equalize it.

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