SOLAR PANELS FOR 250W SOLAR POWER 250W SOLAR DULES FOR 250W FOR QUALITY

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Loading Port:
Shanghai
Payment Terms:
TT OR LC
Min Order Qty:
2500 watt
Supply Capability:
250000000 watt/month

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Item specifice:

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

Product Description:

Product Description:

 Product Description:

1.Structure of



Polycrystalline Silicon Solar Panel for 250W

I. High efficiency crystalline silicon 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.

III. EVA and TPT: Using high quality EVA and TPT to prevent destroying and water.

IV. AI frame: Without screw, rner connection. 6 holes on the frame can be installed easily.

V. Junction box: Multi function junction box with water proof.

VI. Long lifetime: ≥25 years; Less power decrease.

VII. Good performance of preventing from atrocious weather such as wind and hails.

VIII. Resisting moisture and etching effectively, not effected by geology.

IX. The certificate issued by international authority: UL, TUV, IEC, CE.

 

2.Solar Module Specification

 Specifications

Features:

Aesthetic appearance with excellent efficiency based on innovative

photovoltaic technologies

Strong frame, passing mechanical load test of 5400Pa, instead of the normal

2400Pa,to withstand heavier snow load and higher wind-pressure

 

Warranties:

10 years limited product warranty

15 years at 90% of the minimal rated power output

25 years at 80% of the minimal rated power output

Specificate sheet:



SOLAR PANELS FOR 250W SOLAR POWER 250W SOLAR DULES FOR 250W FOR QUALITY

SOLAR PANELS FOR 250W SOLAR POWER 250W SOLAR DULES FOR 250W FOR QUALITY

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SOLAR PANELS FOR 250W SOLAR POWER 250W SOLAR DULES FOR 250W FOR QUALITY

5.FAQ of Solar Module

1. Q: Are you a factory or trading company?

A: We are a factory.

2. Q: Where is your factory located? How can I visit there?

A: Our factory is located in Jiangyin, Jiangsu, China, near Shanghai. You are warmly welcomed to visit us!

3. Q: How can I get some samples?

A: Please connect me for samples

4. Q: Can the price be cheaper?

A: Of course, you will be offered a good discount for big amount.


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Q:H2 as an Alternative Fuel Source using Solar Panels?
Currently solar panels are rated at about 5 percent efficiency. That means that about 85 percent of the solar energy that is falling on it, is wasted. Electrolysis is also about 67 percent efficient. So the TOTAL amount of solar energy you would have converted into hydrogen is 67 percent of 5 percent. Using my calculator that comes out to: about 0 percent total efficiency. About 90 percent of your solar energy gets wasted in the process. A better alternative to solar panels would be solar powered sterling generators. Sterling engines are EXTERNAL COMBUSTION engines, like the old fashioned steam engine, and can be run off any heat source - including the sun. Heat from the sun is focused using parabolic mirrors, and the efficiency of a sterling engine / generator combination is rated at about 30 percent. Your TOTAL efficiency - both solar sterling and electrolysis combined - would be around 20 percent. If you are dead set on using hydrogen? Even though there are better alternatives? Such as alcohol? Then I would suggest storing it in titanium dioxide pellets. This way you can store the hydrogen, without it being in danger of exploding. You can ALSO ram a hydrogen container like this into a solid brick wall. Once again? Without fear of an explosion. Numerous studies have been conducted on this. As for controlling the exact measurements? Nothing in the air-fuel ratio of a car - - or the timing - which you are also going to have to change - needs to be exact. A good enough approximation will do. As for how you get your measurements? You need to compare the density of gasoline vapor with hydrogen gas. A comparison of the molecular weight of gasoline - - as compared to the molecular weight of hydrogen - should get you started in the right direction for this.
Q:How do you use solar panels?
Custom solar-heating systems are unique. Does yours have a circulating pump? Does it have a storage tank? Is the fluid that goes to the panels separated from the household water and transfers heat through a heat-exchanger radiator, and the fluid has antifreeze in it? If it does, is the antifreeze of the variety that won't poison your family if there is a leak? Does your system have a thermostat-controlled pump that turns on when the water in the panels are hot? Does it have a limit-thermostat to turn off the pump when water in the storage tank is hot? There are many more variations to operation of solar-heating panels. Find out who designed it or who knows how to operate it and ask them.
Q:im trying to power up a cell phone and laptop with a solar panel.?
Create okorder.com
Q:What are the government/commercial incentives/discounts that come for solar panels?
Depending okorder.com/
Q:help setting up a solar panel system?
ever looked at the light from a 45 watt bulb? it's true that in a cabin, if you're in the right place, you can read from it. however, assuming that you get 6 hours of sun, you can run your light for 4-5 hours. and nothing else. if you're hoping to run a stove, you're going to need several hundred watts. not sure what tools you're thinking of, but i don't know of many that run on 2v DC. (not sure that i know of a stove that runs on 2v DC either, but you can look that up.) for tools, you might want to consider a gas powered compressor and air tools. that'll give you the strength that you need. yes, i know that's not what you were thinking, but pretty obviously you're going to need to do a bit more thinking. even a minifrig is going to use considerably more than 45 watts. and that would be 24 hours a day. remember, a minifrig has considerably less insulation. you can't save much and per pound, it takes more juice.
Q:Why can not the solar panel load directly?
Solar panels (also known as solar modules) are the core of solar power systems and the most important part of solar power systems.
Q:Solar Panel Charging?
With a 2 volt power source (solar panel, battery charger, vehicle charging system, etc...) you can charge three 2 volt batteries in parallel circuits then switch to a series circuit through a series/parallel switch to get 36 volts output. I've done this with my electric scooter so I can charge it with my pickup through the lighter socket when I'm away from home. It works great! When at home I just leave the switch in the 36 volt position, plug the charger in the wall receptacle and the charger puts out 36 volts. Actually 2 volt lead acid batteries have 2.6 volts when fully charged so the charging source has an output of 3.6 to 4.2 volts to effect a complete charge. In the series circuit the fully charged batteries would put out 37.8 volts so the charger would have an output of 40.8 to 42.6 volts.
Q:How much Silver do we need for Solar Panels?
Some research has shown that small amounts of silver can improve the efficiency of solar panels. But this appears to be in the research stage and applies to the the thin film solar cells. Some solar panels makes use silver as the wiring in kind of a screen printing process, but you don't need to use silver, you can use copper or aluminum using different techniques instead. Generally the metal used is in small amounts and not a majority of the cost of the solar panel.
Q:what kind of rays are used in solar panels?
Electrons----- okorder.com/
Q:How many solar panels do you need on your house to power your heater in winter?
I okorder.com/... To run your pump 24 hr you need 028 m^2 = 0.254 acres. In July the solar insolation is 5.92 kW-hr/day/m^2 and you need 0.042 acres to run the pump for 24 hours. Further south in the US, the numbers are more favorable.

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