• Alibaba Solar Panels - 250W Solar Panel Poly, Solar Modules for Good Price System 1
  • Alibaba Solar Panels - 250W Solar Panel Poly, Solar Modules for Good Price System 2
Alibaba Solar Panels - 250W Solar Panel Poly, Solar Modules for Good Price

Alibaba Solar Panels - 250W Solar Panel Poly, Solar Modules for Good Price

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Loading Port:
Shanghai
Payment Terms:
TT OR LC
Min Order Qty:
2600 watt
Supply Capability:
26000 watt/month

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Specification

Material:
Polycrystalline Silicon
Max. Power(W):
260
Number of Cells(pieces):
60

Features of our products:
• High conversion efficiency mono/poly-crystalline amorphous silicon solar cells 
• Modules incorporate high performance bypass diodes to minimize the power drop caused by shading 
• High transmittance, low-iron tempered glass 
• High performance EVA encapsulant to prevent destroying and water.
• AI frame: without screw, corner connection. 8 holes on the frame can be installed easily
• Good performance of preventing from atrocious weather such as wind and hails




Polycrystalline Silicon Solar Modules 48Cell-195W Specification

ELECTRICAL PERFORMANCE

Power output

P max

W

195

Power output tolerances

ΔP max

W

0/+5

Module effi ciency

η m

%

14.7

Voltage at Pmax

V mpp

V

23.7

Current at Pmax

I mpp

A

8.03

Open-circuit voltage

V oc

V

30.1

Short-circuit current

I sc

A

8.65

 

 

Product Description:

This installation Manual contains essential information for the electrical and mechanical installation that your must know before installing CUSTOMER PV modules. This also contains safety information you need to be familiar with .

CUSTOMER does not assume responsibility and expressly disclaims liability for loss, damage, or expense arising out of in anyway connected with installation, operation, use or maintenance of the PV modules. No responsibility is assumed by CUSTOMER for any infringement of patents or other rights of third parties that may result from use of PV module.

SOLAR PANEL POLY FOR 250W,SOLAR MODULES FOR GOOD PRICE



Solar panel working process

In addition to being the ultimate source of all life on earth, the sun is an infinitely renewable, completely pollution-free source of electricity. Instead of burning fossil fuels dug up from the ground in a big power plant – a very 19th century, industrial age approach, when you think about it – solar panels convert sunlight directly into electricity, with no harmful emissions.


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.
- With good sealed performance, moisture resistant, aging resistance, high/low temperature resistant, the inner terminals of our junction box owns good electrical performance transmission. Bypass diodes used can avoide hot spot effect and damages to panels. Output cables and mating connectors are safe and reliable for installation application. Adopt weather resistance, sealed, good sticky silica gel when assembling.
- Strict quality inspection on each procedure and 100% electrical performance test to meet power requirements.
- 0~+3% power tolerance.
- classification for all the panels in order to improve the integral performance of system and solar panel life span.
- TUV、UL、MCS、CE、ROHS、Golden Sun certified
- Underwriting of 25years output power warranty by The People's Insurance Company of China.






Q:My family and I are looking into solar panels for our home. But I'm unsure how it would be priced. This month our home used ,623 kwh. The solar panel company said we should expect $6-$9 per watt used. What would that put as at?
OK, KWH stands for Thousand Watts per Hour. You used ,623,000 watt/hours last month. If you pay $6.00 per watt, your bill would be $9,738,000.00. That's right-$9 million,seven hundred and thirty-eight thousand and 00/00.
Q:I recently got into solar panels, I have little background in electronics but I have done a little electrical work in the past and just want to make a small 36 cell panel to power a 2v battery that would run my a small tv (9 inch) and PS3 for a few hours every night. I have been looking up on how to do it before I get in over my head and I have a few questions.... After you solder all of the cells together then what? Do you hook all of the rows of cells together somehow? Can you connect them straight to a battery? After you hook to the battery do you hook up a power inverter to get the 2 AC plugs that would be needed? Thanks in advance for any help....
You will have to wire them in such a way that provides the battery with the optimal voltage for it to charge, which on a car 2v battery is around 4v. You said you have some background in electronics so this shouldnt be too difficult. You can connect them straight to the battery yes. Like you said, I believe a power inverter from 2VDC to 0VAC would work just fine. PS3 pulls a lot lot lot of current though so it probably wouldnt last too long. Look up the specs for PS3 and see how many amps it is pulling and purchase your inverter based off of that. I remember trying to run an xbox in my car one time and the inverter I had didnt work because of that. Be careful working with batteries, I had one explode in my face about a month ago.. scariest moment of my life! Good luck!
Q:I am doing a project for school and i need to power a 9v DC motor using a solar panel. Does anyone know places i could get these for not to expensive, and how many volts/watts i would need?
Jameco okorder /
Q:Can solar panels be used for charging electric vehicles?
Yes, solar panels can be used for charging electric vehicles. Solar panels convert sunlight into usable electricity, which can then be used to charge the battery of an electric vehicle. This enables vehicles to be charged with clean, renewable energy, reducing both emissions and dependence on fossil fuels.
Q:I'm from Toledo, OH about 2 miles from the MI line. We are a foster family and have adopted 5 children. We just moved into a 5400+sq 2 story home. We have (3) 2.5-3 ton AC units to cool this huge house. We got the house cheap...$75k couldn't pass it up! Anyway...I was wondering how many solar panels it would take and of what wattage to power these Central Air Units and maybe the rest of the house. We have 3 people in our home......9 of which are children who leave the lights on and run hot water to beat the band. We have all brand new energy star appliances and front loader washer and dryer. Gas Range and Gas hot water tank. Was thinking of using metal window frames and buying solar cells and making my own panels. Just don't know how much to buy. We face south with no trees. Constant Sun. thanks for your help. An e-mail address to bounce questions off of would be helpful if you experienced. tx.
With your load, the largest system on the page I reference above would not power your entire house, if all the AC units are running. However, how often does that really happen? You need to look at your utility bill and find your actual amoutn of KW hours of electricity used in a year and you hav enot told us that. The base price of top system quoted here without incentives is over $70,000. As you can see, the lions share of incentives is the utility company followed by federal. I have no idea if your local utility company offers incentives or not. You would have to resolve that with them. However, the federal incentives are still there even if your state and local utility has none. However, the price to you goes way up without all of these incentives. And your idea of using windows to mount solar cells is totally impractical. Yes, I know there are web sites that advertize just that, but it is total BS. The first word of advice to anyone looking to do this sort of thing is to FIRST have a complete energy audit done and then do whatever they say to conserve as much energy as possible, thereby reducing your need for solar power. Only then should you look at using solar to cover part of your load. We are a foster family and have adopted 5 children< WOW! I would like to thank you for what you do.
Q:I have a 20 watt solar panel that I want to set up. I need to connect it to the solar controller but do not know what cable to use. I plan on adding more solar panels down the line. What would be the best cable to use?
How long is the run? 2 gauge is a good choice for runs up to 25 feet at 20 watts, if you are much further in your run, move to 0 gauge to reduce resistance of the wire itself in the circuit. Otherwise refer to the prevailing electrical code of your local unit government. This is a must if you plan to maintain insurance. At lower voltage, a little resistance means a lot. 4 gauge might be okay for 20 VAC, but the voltage drop on a low voltage system from resistance of the wire itself is measurable at 20 feet. It is the difference between a light fixture working or not. If you are planning on adding additional panels in the future, you can get terminal buss with screw hold downs at various vendors like Mouser or Digi key. Each panel can be on it's own screw, while the buss is common on the other side of the connection. one for the positive and one for the negative.
Q:How many solar panels would it take to run an electric motor the needs 480 volts and pulls about 45 to 50 amps?
Maybe you should call up a local solar installation company and ask them. They'll be able to give you the most accurate answers - I did that too, and it was the smartest thing. Just be sure that they're reliable and they know what their talking about it! This is the company I used -
Q:I need to know how solar photovoltaic panels work. Anyone have a good explanation?
Hey E Girl, photovoltiac panels are pretty simple. They start with a solid block of silicone, and shave thin layers off of them, called wafers. Once you have about 72 of them, you take half of them and dope them with boron, then the other half are doped with phosphorous. Once that's done, they take one each phosphorous and boron wafer, and glue them together with a special conductive epoxy glue, and attach a wire to each wafer. When the two glued wafers are exposed to the sun, a reaction occurs that forces free electrons from the silicone particles from one wafer onto the other, and a voltage is generated between them, about /2 volt to be exact. Once all 36 pairs are glued together, they are wired in series, connecting the phosphourous wafer from one to the boron wafer on the next, and so on. If you start with 72 wafers, you'll have 36 pairs glued together when you are done. At /2 volt each, that makes a 8 volt panel, which is used to charge a 2 volt battery. The charging source always has to have a few more volts than the battery. These 36 pairs of cells are then arranged on some kind of back board, glued down, covered with acrylic glass and mounted in a frame. There are some great websites you can go to for more info, I will list some below. Did you know that there are over 00,000 homes and businesses in the US alone that use some level of solar power to operate their electrical systems? That's good news. We actually live in one of those homes, it is powered by both the wind and sun and heated with solar and wood. I hope this answers your question, good luck, and take care, Rudydoo
Q:So, assuming that a solar panel is flush with the ground (i.e. only the photovoltaic side is visible, the other sides are covered by dirt,) what would happen if it was run over by a car? How about an SUV? Would it break?Would the solar panel still generate electricity?
it would ruin and it ought to nevertheless do power yet no longer plenty yet maximum possibly there may well be no power and plus why might somebody placed a photo voltaic panel on the line? that should in basic terms be stupid.
Q:How much would it cost (approximately) to convert my home (3 bed. 2 bath) to a green home that is run entirely upon solar panels on my roof? From the panels through installation does anyone know a price break down?
Running an entire home on solar panels is not possible, I think. I have 24 panels (almost the whole south facing surface of my roof) and it's almost sufficient for electricity, but not for hot water and heating, that would require more than my roof could accommodate.

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