SOLAR PANELS FOR HIGH EFFICIENCY 250W ,SOLAR PANELS HIGHQUALITY 250W

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Shanghai
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2500 watt
Supply Capability:
25000000 watt/month

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Item specifice:

Material: Polycrystalline Silicon Max. Power(W): 310 Number of Cells(pieces): 60

Product Description:

Product Description:

Solar Monocrystalline  Series (90W-100W) l : High efficiency crystalline solar cell. Even if under the weak light, the solar module can produce maximum power output.

II Tempered glass (toughened glass): Anti-reflecting coating and high transmission rate glass increase the power output and mechanical strength of solar module.





Advantages of Monocrystalline Silicon Solar Panel

• CNBM Solar performance guarantees for 25 years

• 12 years guarantee for workmanship

• Timeliness of delivery

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Specification of Solar Monocrystalline  Series

- Optimal permutation on solar cells to keep enough heat diffusion, decreases hot spot effect.
- High quality and anti-ageing EVA, weather resistance backside raw materials assure reliable solar panels.
- Passed 5400Pa mechanical loads testing by UL, can withstand bad and high mechanical load working environment.

 

6.FAQ

1.  Can you do OEM for us?

Yes, we can.

2. How long can we receive the product after purchase?

In the purchase of product within three working days, We will arrange the factory delivery as soon as possible. The perfect time of receiving is related to the state and position of customers. Commonly 7 to 10 working days can be served.


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Q:how to connect a solar panel to a motor?
A solar panel cannot operate a motor by itself. A typical system operates like this: The solar panel is connected to a charge controller which is connected to a battery which is connected to a motor controller which is connected to the motor. All these components must be compatible with each other. So,in other words, you can't run just any old motor with a solar panel.You can buy a system like an electric gate opener which is solar powered.
Q:What Are Solar Panels Made Of?
Learn to google and learn to ask a 3 part question instead of asking 3
Q:Solar panels...??? HELP!?
Solar panels can bee installed into your houses or apartments power box (if it's outside). But Solar panels cost more than $00 so i hope you saved up.
Q:Solar panels?? I need help!?
We are in the UK, but we now have two systems, one which heats the water and the other generates electricity via PV panels. You need to have a roof area facing in the correct direction and at a suitable pitch. If the sun is hitting the roof at an oblique angle the loss of benefit is high. The system that heats the water has the fastest pay back time. Our water has been hot since we had the system installed despite a poor summer here. Over here we can export surplus electricity created by the PV panels back to the national grid, and they buy that surplus. We often have surpluses during the day, but obviously when it is dark and we use electricity, we sort of buy it back. In the 6 months since it was installed, we have generated about 85% of our needs. Our best day was when we generated 46% of our needs. As you may know, we have had rain and floods over here, but to-day we still generated 22% of our needs and we put on several loads of washing. we have kept a spreadsheet of all teh figures. We are very pleased with ours, and we got a grant, but it was very expensive for the PV system. i'd recommend it, though. i have grandchildren and I feel we have to do something to preserve resources for them and to help combat climate problems. Make sure you have done other things - such as made sure your insulation etc is as good as it can be.
Q:What kind of batteries to use for a solar panel?
Deep cycle, Golf Cart Batteries. You can get them at a battery store.
Q:Do solar panels keep a structure cooler?
I asked the same question once to a PV install during a seminar a few years back, and he explained the following: No, PV panels do not reflect or absorb much heat from going into the building below but there is a reason for this: PV panels that reflect / absorb heat produce less electricity. They are designed to Thermally Transparent. Even worse if installed incorrectly without a good angle and air gap to allow the heat to escape the panels will actually trap this heat and increase the interior temperature of the building below! Below is the scientific analysis that is quite verbose but has two nice graphs at the end. To summarize: Adding PV panels, at best, shaded the building enough to reduce the load of the interior A/C unit by .8 kWh/sq-m/year. The electricity generated by the panels was about 356 kWh/sq-m/year. You can see the big advantage of PV panels is to make power, not reflect heat. Proper insulation is much cheaper and will do a much better job. Don’t worry, I was shocked too, but like anything it makes sense after it is explained.
Q:Can a solar panel be used as a NiCd cordless tool battery charger?
Your 5W solar panel has to put out about 5 volts or higher to charge a 2 volt battery. 5 watts at 5 volts is only 0.3 amps, which is only enough to handle the internal leakage inside a large battery, plus a bit. If you have a 00 amp-hour battery, that panel would take 300 hours of bright sunlight to charge it. But I do agree that it will keep the truck battery charged as long as it gets sun. Make sure you put a diode in series between the panel and the battery to prevent the battery from discharging through the panel when the sun goes behind a cloud. I'd be worried that if you charged the 8 volt battery frequently, the panel would not be able to replace the lost charge, and your 2 volt battery would wind up discharged. That 8 volt battery is .2 amp-hrs (if I got the correct one). That is 27 watt-hours. Allowing for losses, you car battery will have to deliver over 30 watt hours to charge it. Your solar panel will take over 6 hours of bright sun to make up that difference. That is over 24 hours this time of year. So if you recharged it more than once every 2 days, you will lose charge in the truck battery. .
Q:how to build solar panels?
There are several types of solar panels. If you mean photovoltaic panels for generating electricity, that is a really advanced project that few amateurs are equipped to do. In the long run, it will be a lot cheaper and easier to buy factory made PV panels. You can try building one by sandwiching an array of photovoltaic cells between a sheet of glass or plexiglass and a sheet of aluminum. Remember that this assembly must be able to withstand great heat, and it must be sealed to make absolutely sure it does not leak. So basically, you need to lay out the PV cells and wire them together to get the desired voltage and current, with some arrangement to allow the wires to extend outside without leaking. Then you enclose the panel around all four edges with aluminum channel and seal with silicone sealer. Lay it on thick and test thoroughly with water hoses to eliminate all leaks. As mentioned, it's easier and cheaper to buy them factory made. If you mean a heat collector for a solar house heating system or hot water system, that is just a matter of building a thin, flat aluminum box with a glass lid. For hot air, you just need to circulate the air through the box when the sun is shining. For water, you need to have some arrangement to pass the water through the compartment in thin walled metal tubing. You won't be surprised when I say it's cheaper to buy one factory made. Good luck.
Q:Can one benefit from solar panels?
In theory, yes. But the fact that nobody is doing it implies there is something wrong with the idea. Solar panels are not exactly new.
Q:Has anyone had roof problems caused by rooftop solar panels?
Rooftop solar panels might cause all sorts of maintenance or poor installation problems but I rather doubt at this point if we can say that there is an issue with solar panels in general that will cause a problem with the roof. Rather solar panels tend to shade a roof on its most exposed side. Without solar panels southern facing roofs will wear out faster than northern facing roofs. Installed solar panels will tend to make the roof last longer.

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