PV Solar Panel 250W High-effiency Polycrystalline

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Shanghai
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TT OR LC
Min Order Qty:
1000 watt
Supply Capability:
20000 watt/month

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Item specifice:

Material: Polycrystalline Silicon Max. Power(W): 250 Number of Cells(pieces): 60
Size: 1640*990*40mm high viscossity EAV: high-effiency cell low iron tempered glass: alumminum alloyed frame

Product Description:

 

Quick Details

Place of Origin:

China (Mainland)

Brand Name:

JS Solar

Model Number:

60cells 156mm poly

Specification:

Normal

Application:

Commercial

Output Voltage (V):

35V

Load Power (W):

250W

Solar Power (W):

250W

Work Time (h):

8 hours

Crystalline:

poly solar panel

Packaging & Delivery

Packaging Details:carton box and pallets
Delivery Detail:3 working days

 

PV Solar Panel 250W High-effiency Polycrystalline

PV Solar Panel 250W High-effiency Polycrystalline

PV Solar Panel 250W High-effiency Polycrystalline

PV Solar Panel 250W High-effiency Polycrystalline

Specifications

25 years warranty
Class-A Grade quality
EL test of each panel
Produced under automatic machines which bought from Germany

 

Advantages

Reason:

We enjoy exclusive channel to get stock solar panels at more competitive price from Trina,Hanwha,Yingli,LDK,Suntech etc.

These panels are from tier 1 solar panel manufacturers,such as Trina,Hanwha,Yingli,LDK.They are assembled with all grade A materials,only problem is that they has slight appearance defect,but due to their strict quality control,even the negligible defect will lower its grade.so they put these panels into stock.

 

Quality

These panels adopt all grade A materials,such as solar cell,EVA, back sheet, junction box, glass,frame,connector etc.

They have same electrical performance with grade A solar panels,only difference is the negligible superficial defect.

 

Our Service

Pre sale:

1.Our sales representative and engineer work together to answer your questions and offer solution for free

2.We choose the best product for you to make sure it worth its real value

3.We design the best solution with good perfomance for you,manwhile save every cent of your money.

After sale:

We provide 10 years Warranty for the product, 12 years warranty for 90% power production ,25 years warranty for 80% power production.

 

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Q:How to connect 2 power supplies together? (Solar panels)?
You will need to wire several cells in series to obtain the necessary voltage, and you may need to wire several sets in parallel to obtain the required current. Series: Connect the + lead of one cell to the - lead of the next. You may chain any number of these together this way, and the output voltage will be the sum of the output voltages of each cell. The output current will be the greatest current of each individual cell. Parallel: Connect the + leads of each cell together, and the minus leads of each cell together. The output current will be the sum of the output currents of each cell. The Output voltage will be the greatest voltage of each individual cell. Picture this: think of the series cells as a column, connected from top to bottom. Think of the parallel cells as a row, with all the tops connected together and all the bottoms connected together. To arrive at the required voltage *and* current, you will need an array of cells, in rows and columns. The voltage will be the sum of each column, while the current will be the sum of each row. Most solar panels are arrays of individual cells. The arrays are then connected in the same fashion to provide the necessary combination of voltage and current.
Q:What is a disadvantage of a solar panel?
benefit- It makes use of the Suns organic engery to produce potential for a house/employer which saves money as against employing potential from the community materials for electricity. it will keep away from lots of money in case you reside in an area that is sunny a super style of the year. disadvantage- You extra suitable wish that is sunny for a on an identical time as to construct a inventory pile of potential. It somewhat relies upon on your desires for potential, in case you do no longer use incredibly some it and stay in a sunny section a super style of the year, then you incredibly could desire to have a super style of potential that only kinda sits there. yet once you reside in an area it somewhat is frequently cloudy all year around then image voltaic panels does no longer be superb for you.
Q:What does solar panel output refer to?
I think it refers to the maximum power it is capable of. Of course, it won't really have this output because it's energy output (kWh) is dependent on it's energy input...
Q:who knows about tax credits for solar panels?
If you buy NEW solar panels, there is a credit. see the 040 icon at www.okorder.com
Q:Can I build my own Hot Water Solar Panels?
If you are just looking for hot water, you can build your own water pre-heater with copper tubing, mirrors, black engine paint, wood for an enclosure, and glass to cover the enclosure. I have seen plans online but cannot recall just now where. I've included some links below that you might want to check out. Also, you may want to check on tax rebates in your area for using solar. In some areas you can get rebates to pay nearly 00% of the cost. Or search for how to build a solar water heater for a LOT of online sites. One caution, do NOT use water directly from a solar water heater as it can be hot enough to burn your skin.
Q:solar panels and calculations?
The okorder.com The reference section has all the formulas you are looking for and there is a list of dealers by state, plus various state rebate information. Yes, you can hook up different panels to the same system. There are special controllers that regulate the voltage. I'm more of a hands on nuts and bolts guy so I can't help you with the formulas and engineering explanations. Another great place to get information is Home Power Magazine. You can get the issues online or in print. Thanks for going solar!
Q:Questions about the okorder.com solar panels?
Question# 5: Any state in the USA is entitle to a Federal Tax credit on their Income tax returns. Click on the source for details.
Q:How many watt solar panel do I need to charge a 2v battery that wont be using much electricity?
Are you concerned about your higher energy bills? What about the atmosphere, are you worried about its resources that are nonrenewable? Solar energy and how to make solar panel are the solutions for you. Let us talk about the charges of pv strength and how practical it is for YOUR budget. The first thing you should know is that the size of your house has nothing to do with the cost on how to make solar panel. So for those people fortunate sufficient to are living in a gigantic property, pv panels are not here to overwhelm you with charges. What you do need to consider into consideration are items like how much sun you get a day, in which you stay, and how very much power you use a day. After you can appear to individuals conclusions, we can commence the math. Permit us do an instance together to figure out a ballpark expense for pv panels. Take a peak at your power bill as it is now and locate how numerous KWH you used, We will say that variety you found was 800 KWH. Now we are going to divide 800 by 30 and we get a whopping 26. 7. Don’t forget that quantity. It is how very much estimated KWH you use a evening. If you locate that you are exposed to six hours of sunlight a morning you would then consider the 26. 7 and divide it by 6. You reply should be four. 45 (or 4,450 watts). If you multiply that reply times . 5 you have successfully observed out how a lot of photo voltaic panel watts you need. The installation costs then are associated to the quantity you found above. Each and every watt usually costs $7-$9. All your installation fees need to be integrated with that estimated ending price. Now that you know how very much your method will charge, you will be relieved to know that it actually pays for itself inside six many years. There are also tax exemptions for people that select to use pv vitality. It is an investment that is really worth anyone’s time and funds Hope It's Help.
Q:Can I power up 2Watt bulb using 2Watt solar panel power?
. Practically no. You have to account for startup current, and losses in the system. Ideally you would size your solar planel to provide the power you need to charge batteries in the day, for your needs at night. 2. Watts=Volts times Amps Really you just need to match the load and supply for volts, and make sure the supply has enough capacity to run your load. Current will take care of itself., in that the load will take what it needs to do its work. 3. It will bring the voltage down, causing the light to be dimmer.
Q:Do solar panels add to global warming?
If you put a black panel on the ground or on your house and don't connect it to anything, it will absorb solar energy (heat) during daylight and release it at night (radiation). Not exactly. Assuming the black panel establishes an equilibrium temperature, it's going to be losing exactly as much heat as it's receiving during the day. Some will radiate out into space, some will conduct or convect into the atmosphere. As a wild guess, maybe 50/50. If you hook up a solar panel in the same place but hook it up to batteries, charge the batteries during sunlight hours and using that energy to electrically heat the home at night. The panels will absorb solar energy during the day but will convert that to electrical energy in the batteries instead of radiating it back into space at night. The panels are only about 4% efficient, so it's the same situation as the pure black panel for 86% of the energy. The remaining 4% will get stored in the batteries and then converted to heat at night. That heat will eventually leak out of the house and warm up the Earth a tiny bit. I think it's much the same situation either way. With the black panel the energy gets radiated / conducted/convected right away. With the solar panel a small percentage is stored and not so much is radiated, mostly conducted and convected. You're partly right as a black panel is going to radiate more into space than a house. But you're taking about maybe some day about 4% of % of the differening radiation/convection/conduction fraction, of the Earth's surface area. Probably not significant.

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