• Poly 305W Solar Panel / Popular Product Made in China System 1
  • Poly 305W Solar Panel / Popular Product Made in China System 2
  • Poly 305W Solar Panel / Popular Product Made in China System 3
Poly 305W Solar Panel / Popular Product Made in China

Poly 305W Solar Panel / Popular Product Made in China

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Loading Port:
Shanghai
Payment Terms:
TT OR LC
Min Order Qty:
100 watt
Supply Capability:
10000 watt/month

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Item specifice

Material:
Polycrystalline Silicon
Max. Power(W):
305
Number of Cells(pieces):
72

Poly 305W Solar Panel / Popular Product Made in China


Product Description

Produt name: 305W Poly Crystalline Solar Panel


Poly 305W Solar Panel / Popular Product
Specs

Electrical Characteristics
Maximum Power [Pmax]305W
Power Tolerance+/-3%
Maximum Power Voltage [Vmp]36.3V
Maximum Power Current [Imp]8.41A
Short-Circuit Current [Isc]8.78A
Open-Circuit Voltage [Voc]45.0V
Module Efficiency15.72%
Max. System Voltage1000VDC
Cell Size and SeriesPoly 156*156  72pcs (6*12)
Temperature Coefficient of Pmax- 0.47% / º C
Temperature Coefficient of Voc- 0.33% / º C
Temperature Coefficient of Isc0.05% / º C
Mechanical Characteristics
Dimension (mm)1956*992*45
FrameAnodized Aluminium Alloy
Glass3.2mm,High Transmission,Tempered Glass
Junction box & CableIP65 Rated weatherproof connectors
Cable: TUV 1x4.0mm2 / UL12AWG,Length:900mm
Weight22.0Kgs


Industry-leading Warranty:
Warranty on material and workmanship: 10 years
Guaranteed output of 90% after 12 years and 80% after 25 years.

Why Us?
1. We will always be there for any complaints!
    We has >20 years existence period and has other business. 
2. Wide Product Range
    Solar Panels 5W - 315W Customized & Standard
3. Imported Quality Silicon
    From Malaysia, Taiwan and Switzland.
4. Competitive prices
5. Great potentials in development with Clients.

Q:China is the world's biggest producer of solar panels
Go ahead admit it...Carter was right ! He was right in seeking to raise the fleet auto mileage standard to 48 miles per gallon by 995. (Even U.S. automakers admitted at the time that they could easily achieve 30 mpg by 985.) Carter was right in exhorting Americans to turn down their thermostats, even if he did look nerdy in a cardigan while urging us to do so. He was right to encourage fuel conservation by proposing a 50-cents-per-gallon tax on gasoline and a fee on imported oil —- in effect, a floor for fuel prices. Invoking the pioneering spirit of the 960s moon mission, he was right to recommend a tax on windfall oil profits to finance a crash program to develop affordable synthetic fuels. Carter was correct, too, in setting a goal of obtaining 20 percent of our energy from solar power by the year 2000. The solar panels Carter put up on the Whitehouse were USA made. The solar
Q:I think that solar panels are the future and i think that the conventional way of generating electricity is going to be replaced by solar panels. I would like to be part of this industry as an entrepreneur but i do not know how to since i do not have a technical background. I would like to sell solar panels to consumers and to business. Should I start a manufacturing company that manufactures solar panels? Should I buy solar panels from manufactures and sell them to consumers? What should I do?
HEAR IS A WAY, BY CLICKING THE LINKS $$GET PAID $$GET PAID $200+EURO 200 INSTANT $$ $$SINGUP BONUS $$ GET PAID BY CLICKING BELOW FOLLOW THE INSTRUCTIONSFIRST CLICK THE LINK ONE AND REGISTER YOUR SELF, AND THEN CLICK THE LINK TWO AND REGISTER YOUR SELF CLICK AND GET THE LINKS:
Q:How many solar panels would it take to run an electric motor the needs 480 volts and pulls about 45 to 50 amps?
Quite a bit to run 480 volts @ 50 amps. Ohms law will give you the basic level your looking for but also you need to consider power storage ... Conversions .... Start up power vs running power levels ... it can be done but this is a bigger system then what I need so I cant just give you an number your panels will be rated in wattage and amperage you then take that power and put it in storage (battery) to inverter system (mine is 20 volt) you will need to have a 480 inverter for your power level. good luck hope I was of some help.
Q:Can solar panels be installed on churches or religious buildings?
Yes, solar panels can certainly be installed on churches or religious buildings. In fact, many religious institutions have embraced solar energy as a way to reduce their carbon footprint and demonstrate their commitment to environmental stewardship. Installing solar panels on churches not only helps to generate clean, renewable energy but can also serve as an educational example for the community.
Q:Is there any way to charge my laptop with a solar panel? Is there any panel like that. Or if I work on panels can I do something like that. If you know anything about it, can you just help me? Thanks a lot.
A solar panel is usually 36 cells and intended to charge a 2V lead acid battery. The battery in laptops may be somewhere between 5 and 20V. The panel might charge a laptop when it is cold, but they heat up in the sun and then it would no longer charge. Typical lap top power supplies are 3 to 4 amps. You need 2 panels in series to get enough voltage to charge the battery directly, but this is wasteful. If you want to charge at the same rate as a lap top power supply you need large panels to provide 5 amps. The 5 Amp panel will only give 5A when pointed directly at the full sun. There may be between 2 and 5 hours a day equivalent full sun depending where you are, time of year. If you want more than that, you need larger panels, or more than one in parallel for a 2V system. It makes sense to charge a 2V battery with the solar panel, and use that to operate the lap top with a car type power supply for a laptop, which runs from a 2V battery (see link below for an example). Get the biggest panel you can afford, and the battery should be larger if you want to run the lap top when the sun isn't shining. Perhaps a 20AH battery is a minimum size. All this costs more than a lap top.
Q:Can solar panels be installed on a canopy or pergola?
Yes, solar panels can be installed on a canopy or pergola. In fact, installing solar panels on these structures can provide dual benefits, offering shade and generating renewable energy simultaneously. This innovative approach allows for the efficient utilization of space and can be a great solution for homeowners or businesses looking to maximize their solar energy production while enhancing their outdoor living spaces.
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:I have a solar panel 7.5V .25W 50mah, connect 2 in parallel to power a RC boat. The boat use to run on 6cell battery pack - 7.2V 800Mah.The dc motor requirement based on the provided battery pack, i assume would be 7.2V and rated at (7.2V * .8Amp) = 2.96 Watt.Would two of my solar panels run this DC motor ?are my calculations or understanding correct ?do lend a hand dear ''world''
solar cells are not rated in mah, they are rated in ma or amps. I'll assume this one is 50mA. Two in parallel will give you 300mA, so that will charge a 800mA-hr battery in 800/300 = 3 hours. Theoretically, in bright sunlight if the array is exactly at right angles to the sun's rays. The problem is, depending on the type of cells, the battery pack will need 8 volts or so to charge, and your solar cells won't deliver that. If the sun is at an angle, you may get only 3-5 volts. so you have to put them in series, so you will get only 50mA out of them, which will charge the battery in 6 hours of bright sunlight. Would two of my solar panels run this DC motor ? If the motor is .8 amps, you need the battery, the arrays are not near enough. Or are you attempting to replace the battery pack with the solar array? Your english makes that difficult to understand. If so, put them in parallel to get the 300mA, but that would run the .8 amp motor very slowly. If you had 2 of the solar panels, it might run at close to full speed if the sun is bright and shining directly on all the panels. But where did you get the .8 amps for the motor? The 800Mah rating of the battery has ZERO to do with the motor current. So the answer above is based on your number, which I suspect is totally wrong. .
Q:I have purchased a 2 volt LED lantern from argos, it comes with a built in 6 volt 4ah sealed acid battery. What I wanted to know is would I be able to charge it using my 6 volt solar panel?
You okorder /... ] But I would suggest you contact . If you email, be prepared to provide more detailed specifications on your 6 volt solar panel and lantern data. You may just have to purchase a RECHARGEABLE 6V 4ah battery from them. Best of wishes.
Q:For my exam in science we are required to make a power point explaining why it would be good for our school to switch to solar. our complete handout given to us by our teacher is as follows:Power Point to include:. What you propose for alternative energy usea. Any thoughts on energy conservation...2. Why this is a good idea3. What information you would give the solar company (area of roof space your group determined to be useable for solar)In PowerPoint - include your quot;scriptof what you would be saying when the slide is up in the Notes section below the slideANY HELP WOULD BE GREATLY APPRICIATED!!THANK YOU SO SO MUCH,QH
Energy conservation Use sensors that turn of lights and unneccassary equipment when person leaves the premises 2) Saves hard earned energy 3) Area of roof space depends on how much energy you want to collect from the sun.

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