255W Direct Factory Sale Price 240-260Watt Solar Panels

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China main port
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TT OR LC
Min Order Qty:
10000 watt
Supply Capability:
100000 watt/month

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Item specifice:

Material: Polycrystalline Silicon Max. Power(W): 300 Number of Cells(pieces): 1

Product Description:

255W Direct Factory Sale Price 240-260Watt Solar Panels

255W Direct Factory Sale Price 240-260Watt Solar Panels

255W Direct Factory Sale Price 240-260Watt Solar Panels

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

1580*808*40mm

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:

1What price for each watt?

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

2What 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.

3Can 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.

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

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

5Have 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.

6When 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.

7Can 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.

10Can we visit your factory?

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

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Q:Solar Panels, kw per hour or day ?
A kW is an on the spot degree of means. A kWh is a level of means produced via the years. A KW array produces an on the spot means of 000 watts. whether that could be a 2V panel which skill it produces eighty 3 amps of modern-day. In 3 hours it produces 3kWh (kilowatt hours) of electrical energy, no longer 3kW. A 3kW 2V array might produce a similar quantity of electrical energy in one hour at 079 amps.
Q:How do home solar panels integrate into a houses current electricity?
The utility is your battery. Doesn't make any difference which is used first. At least that's the case in Calif. However, you need an electrician to do the attachment, and probably an inspection by the utility.
Q:Solar Energy - What would these solar panels power?
A solar panel that is rated at 60 watts would produce that amount under the most favorable conditions of direct sunlight at noon in a good location. This would taper off to nothing at the beginning and ends of the daylight. A 60 watt Panel operating at full output for hour would produce 60 watt hours. If we assumed a straight line of output from zero to 60 watts and back to 0 again over 6 hours the average output would be 30 watts x 6 hours = 80 watt hours / day x 365 days = 65700 watt hours in a year / 2 = 5475 watt hours in a month. You lose about 0% converting from DC to AC. This reduces this to about 4927.5 watt hours. Your bill is measured in KW hr which are 000 times bigger. This is 4.9275 KW hr or .24% of your last month's bill. At a national average of about $.2 per KW hr the energy out put for one month would be equal to about 60 cents.
Q:how many 45 watt solar panels would I need?
Ok lets start with basics We need 28watts for the lights but due to efficacy we wont get that from the solar panels unless we increase the power.So I would say about 50watts of panels and that depends on if its sunny if its cloudy we wont get even 70 watts so I would say get 200watts of panels to overcome this problem. Then we need to run the lights for 6 hours so we need power to charge the battery I would say we will need 2x 0ah deep cycle battery's and as we need the lights on for 6 hours I would say we will need a charging capacity or total power from our solar panels to be around 300watts. So now that's the power sorted we need a device to allow us to power the lights at the right voltage. You will need a device that is called a inverter if the lights run on 240/0volts you will need a 2v to 240 or 0 depending on were you are so we can now convert are 2v dc power into 0/240 for the t8 lights. You will need a 500watt inverter as when fluorescent lights start they have a surge of power needed to start them So you will need 2x0ah deep cycle battery's 7x 45watt solar panels or you could just get 3x 00watt panels x500watt pure sine wave inverter I know it will be costly but it will be worth it in the long run.I did a similar project myself and it cost me over 600
Q:Can you get energy at night from solar panels?
Why pay thousands of dollars for solar energy ($27,000 average cost) when you can build your own solar panel system for just a fraction of the retail cost. You can build a single solar panel or you can build an entire array of panels to power your whole house. Some people are saving 50% on their power bill, some people are reducing their bill to nothing. But what’s most impressive is that just by following these instructions some are even making the power company pay them!
Q:Linking multiple solar panels?
It will not hurt the panels to hook multiple ones in parallel (all red or positive wires together, and all black or negative wires together), and connect it to the single port on your charge controller. The more alike the two panels are, the better this will work. With two absolutely identical panels, you should get twice the power. With mismatched panels, somewhat less. This arrangement will not hurt the charge controller, either. The worst that happens is that the controller isn't able to take full advantage of all the power available. By the way, it's not advisable to connect both solar and wind together.
Q:How many volts does a small solar panel on a calculator produce?
Build okorder.com/
Q:Can I plug a solar panel into a wall socket to lower my electric bill?
The other responders have given partial information. The electricity in your house is 20 volts AC and the solar panel will produce DC voltage. If you plugged in the solar panel into the wall, the solar panel would be destroyed, possibly with disastrous results. If you connected the solar panel to a DC to AC inverter, there are also dangers. The solar panel unless very large will not produce enough power to make a lot of AC, for every amp of 20 volt AC, you require more than 0 Amps of DC voltage. So most small solar panels are used to trickle charge a 2 volt battery used in backup situation. The problem is that the house AC and the inverter AC have to be exactly in phase or again you have disastrous results. If they are exactly 80 degrees out of phase, the wires now are carrying 240 volts and you will burn out the inverter, and possibly cause a fire. There are systems that will synchronize an inverter to commercial power so that you can feed the power back to the grid, but these are more complicated. If you want to use the battery and solar panel to run some lights during power failures, then you can connect the light to the common terminals of a switch, but the switch must be a break before make switch, which means that when you throw the switch the common is disconnected from the one source before it is connected to another source. Most AC switches will do this, but make sure.
Q:Where can i buy mini (v - 2v) solar panels?
Jameco okorder.com/
Q:solar panel for pool pump?
Why don't you use the mains as the battery with net metering. That way you don't have to have two pumps, a DC pump for the solar and an AC pump for the mains. A 230 V, 6 A pump draws 3.68 kw. A typical solar panel produces about 400 watts so you would need about 0 solar panels which should run you about $20,000 US. Of course, you may not need to run the pump continuously but in order to use fewer solar panels for sporadic use, you would need the batteries or the net metering. Keep in mind that with the costs of the panels, you will be paying about 38 cents a kwh. Grid power usually costs around 5 cents a kwh.

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