CNBM Poly 250W Solar Panel with TUV UL CE Certificate For Residential

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100 watt
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1000 watt/month

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Item specifice:

Material: Polycrystalline Silicon Max. Power(W): 250 Number of Cells(pieces): 60

Product Description:

CNBM Poly 250W Solar Panel with TUV UL CE Certificate For Residential 


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.

 Each module is rated by its DC output power under standard test conditions, and typically ranges from 100 to 365 watts. The efficiency of a module determines the area of a module given the same rated output – an 8% efficient 230 watt module will have twice the area of a 16% efficient 230 watt module. There are a few solar panels available that are exceeding 19% efficiency. A single solar module can produce only a limited amount of power; most installations contain multiple modules. A photovoltaic system typically includes a panel or an array of solar modules, a solar inverter, and sometimes a battery and/or solar tracker and interconnection wiring.

The photovoltaic effect was experimentally demonstrated first by French physicist Edmond Becquerel. In 1839, at age 19, he built the world's first photovoltaic cell in his father's laboratory. Willoughby Smith first described the "Effect of Light on Selenium during the passage of an Electric Current" in a 20 February 1873 issue of Nature. In 1883 Charles Fritts built the first solid statephotovoltaic cell by coating the semiconductor selenium with a thin layer of gold to form the junctions; the device was only around 1% efficient.

Micro-inverted solar panels are wired in parallel which produces more output than normal panels which are wired in series with the output of the series determined by the lowest performing panel (this is known as the "Christmas light effect"). Micro-inverters work independently so each panel contributes its maximum possible output given the available sunlight.[6

CNBM Poly 250W Solar Panel with TUV UL CE Certificate For Residential

Suggested application

Home lighting business lighting,

Garden lighting, pavement lighting    

Farmer household lighting

Decorative water pump

Traffic signal lighting

Industry area

Business area

Solar Power Plant

Product feature

Modules are made of Monocrystalline or Polycrystalline Silicon cell.

Materials and color of the solar panel frame: Clear anodized aluminum alloy type 6063T5 Universal frame; Silver-white color;
The output connection gathers the coupling: Selects conforms to the IEC-612615; 2005, class II, IEC61730 international standard; Airtight waterproofing binding clamp;
Module seal structure: The surface is thick, the high diaphanous rate armored glass with solar cell board special-purpose 3.2mm becomes after the high temperature lamination craft. The back selects has waterproof and anti- aged performance fine TPT materials. The entire block battery board has, the waterproofing, the anti- aging airtight and so on the fine performance;
Power tolerance: +/-3%


International standard cartons (according to the requirements of customers)

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Q:How to connect 2 power supplies together? (Solar panels)?
Leave the two positive terminals connected together.Disconnect the negative leads from each other. Get two amp diodes from radio shack. Connect each diode in series with each negative lead. there is a band on one end of the diode. Connect each diode so that the end with the band is attached to the negative side of each solar panel. Tie the other ends of the diodes together. This will become the new negative end of your solar panel supply. With the sun shining on the panels , you will now measure the voltage from the plus side of the solar panels to the new negative junction. Connect your load leds in place of the voltmeter and enjoy. Without the diodes , each solar cell thinks the other solar cell is the load. In effect each solar panel is shorting out the other. Some solar panels that you buy already have a diode in their junction box connected for that purpose. You need the diodes to provide the necessary isolation between the two panels, then they can both act in parallel to provide current to the load.
Q:how many solar panels?
It depends on how many watts of electricity you wants..
Q:solar panels on the house?
Q:Does the new horizons has a solar panel for it power resources instead using nuclear generator?
It uses the nuclear decay of plutonium in a 'Radioisotope Thermoelectric Generator, or RTG. The heat of plutonium decay is captured and converted to electricity. Pioneers 0 and , Curiosity on Mars, and other deep-space probes use this, as the sun's light is too dim to use solar panels.
Q:Can cold light make solar panels power
permanent, clean and flexible three major advantages of solar cells long life, as long as the sun exists, solar cells can be an investment and long-term use; compared with thermal power, Solar cells do not cause environmental pollution
Q:Where are the best places to put solar panels?
Probably not worth it. Sure, it is a great idea, but it will take decades to get your money back in energy savings. Today's panels are fine for a roof. However, I'd worry a little about the interface (where leaks could occur) especially in a retrofit. They, of course, will need to face south.
Q:How about solar panels?
A big problem with your theory is that because the solar panel is so small the amount of energy gathered from it would be small and probably wouldnt be able to provide electricity for things and even if it did it wouldn't last very long. its a good idea but it just won't work. in order to produce the amount of energy your talking about the solar panels would have to be the size of a roof and be placed on the rooftop or a hill or something. people wuldnt be able to carry that around.
Q:What are solar panels?
The solar panel is that convert sunlight into electric. There are two kinds of solar panels, poly solar panel and mono solar panel.
Q:What do i need to use a 2v solar panel to charge a 6v lead acid battery as i cant find a 2v to 6v regulator?
despite the statements to the contrary, using a solar panel to charge a battery is not rocket science. first lets look at you panel. panels normally have a spec for open circuit voltage (probably 20 volts for yours) operating power (4.4 volts at .4 amps is usual for 20 watt panel) and short circuit current (probably 2 amps in your case). if this panel is connected to a 2 volt battery, it will develop 20 watts of charge current in full sun. if this panel is connected to a 6 volt battery, it will work closer to the short circuit current or about .8 amps. doing the math this is a 7.2v x ,8= 3 watt charger for 6 volt batteries. while it is less efficient than when working at 2 volts, it will still work pretty good and no regulator is needed if you remember to disconnect the panel after 5 hours of full sun. if you want to walk away and have it run automatically, then you will need to find a 6 volt charge controller.
Q:How to connect solar panels to batteries?
You can use them without the regulator . Just make sure you use blocking diodes so the the power does not flow back into the panels . You can get those at radio shack of some electronic store or off OKorder for a few bucks .

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