mono panel SWE-M672 Series300W

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Product Description:

SWE-M672-300/305/310/315/320
MONO CRYSTALLINE SOLAR MODULE

Futures:

• High module efficiency up to 16.50%
• Positive power tolerance 0/+5W
• Robust frame to up to 5400Pa load
• Anti-PID technology
• Hot-Spot protect
• Anti-Reflective glass

data sheet

Electrical Characteristics @ STCSWE-M672-300SWE-M672-305SWE-M672-310SWE-M672-315SWE-M672-320
(STC:standard Test Conditions)     
Max. Power (PMAX) [ Wp ] 300305310315320
Power Output Tolerance (PMAX) [ Wp ] 0/+5 0/+5 0/+5 0/+5 0/+5
Max. Power Voltage (VMPP) [ V ] 36.036.236.436.536.7
Max. Power Current (IMPP) [ A ]8.338.428.508.628.71
Open-Circuit Voltage (VOC) [ V ] 45.345.545.745.845.9
Short-Circuit Current (ISC) [ A ]8.888.939.059.189.29
Module Efficiency (ŋm) [ % ]15.515.71616.216.5

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Q:Where is the best place to get an education/experience and job in the installation of solar panels? ?
The best suggestion I can give is to call solar installation companies in your area, and ask for their recommendation as to what to do. They may recommend a technical college with an appropriate program. With unemployment rising, new jobs in solar will likely be scarce for a while. You might also inquire at roofing companies. If you apply at a solar company, and can demonstrate that you already have roofing experience, that will be a plus.
Q:Why are solar panels so expensive?
It's all in the production process that uses materials and processes that are not yet cheap because of the little infrastructure in this field. You can make cheaper solar panels, but it restricts their efficiency, so you get less energy. The reason individuals haven't been catching on to it is because it is not yet entirely cost effective. For a normal 3-person home to be powered completely by solar, depending on many conditions, especially where you live, the payback period is something over 50 years. I live in Boston and for my house to be powered by solar I wouldn't see it making money for over 75 years! What people have to realize is that the point of solar is not to completely power your house cheaply, but to lessen the strain on the electrical grid, and if enough people do this the cost will certainly come down. That and the technology of solar panels has been developing unbelievably fast with all of the green energy buzz going around, so you should see the cost dropping in the next few years as new discoveries are made.
Q:any one know about electricity solar panels?
The charger will accept whatever current is necessary from the solar panel up to 7A. It's not like the solar panel will force 2amps into the charger/battery -- the charger will control the current going to the battery. I question whether or not the 2V panel will actually charge the battery, though, because in order to charge a standard lead-acid 2V battery you need to have about 4.5 volts applied to the terminals. Perhaps the charger has a boost circuit -- I don't know without looking at it or knowing the brand/model number, etc. The timer must be 2VDC, but, if you only have a timer that is rated for 20VAC, you can buy a small inverter that will take 2V and supply the necessary 20VAC. An inverter rated for 20 to 50 Watts should be sufficient. These usually cost under US$25. .
Q:Solar panels and your opinion?
Regarding okorder.com/.. . In Hawaii, solar is going in like crazy, with long backlogs for installation. If it will be a long time until you retire, then there is no rush. The price of technology tends to go down with time, and in fact, solar panels today are less than half the price of what they cost us in 2006. Also, who knows where you'll be living when you retire? If it's Honolulu, the place may already have solar panels. In the woods of the Upper Peninsula of Michigan, it might never be worth it (but look into wind, there).
Q:Why are solar panels grid-like?
Solar cells are semiconductor devices like computer chips. Current manufacturing methods create small squares of semiconductors. Companies are researching ways to make thin film solar cells that can be painted on or manufactured in large, possibly flexible sheets, but so far the technology to do that is still more expensive than making little squares and then assembling them into big panels. That may change in the near future, but I can't be sure.
Q:how much do solar panels cost?
The silicon ones(last 5 to 25 years) run about $4-$5 a watt the amorphous (thin film) a little less (may last 5-0 years). If you use megawatt hour (000 kilowatt hr) a month you will need at least 3000 watts minimum. Therefore if your electric is .0 per kilowatt hr( $00 per month) the payback is around 25 years once you add the batteries plus inverters(batteries $50-$00 each)(synchronous inverter $3000 to$20000)(ie $5.00/.0=50 months at optimum output).Figure (depending where you live) probably only 50% so break even is usualy about 20 yrs.Ie you pay 20 years electric bill and hope nothing breaks(insurance not included) then you can start saveing money.
Q:how can you make your own solar cells for solar panels?
Found this video demonstrating the process of making home made solar cells. I do not think this method would be very practical for an off the grid home system.
Q:Questions about Solar Panels and Battery back ups.?
Q:Chem question regarding using solar panels ....?
It is not that simple. There are 3 main types of solar cells. Monocrystalline silicon is the most efficient and produces the smallest solar cells, and therefore the smallest panels. Poly-crystalline (or multi-crystalline) silicon produces the next most efficient type of cells and are a popular choice. Amorphous (or thin-film) silicon uses the least amount of silicon and also produces the least efficient solar cells. This means thin film system take up more area than the other two; an important factor to consider in relation to possible future upgrades; i.e. if you'll have enough space left to do so. The North (in the Southern hemisphere) or South (in the Northern hemisphere) facing roof collects the most energy. So this biases the roof area required. Your energy usage can be changed. Hot water (a major energy user) could be better using direct solar heating with peak demand boosting, either from mains or solar. There are other possibilities, either to reduce demand or to provide energy from other sources. Not all sunshine hours are equal. Hours around midday are far more productive than hours later in the day. This must be factored in.
Q:How many solar panels do you need on your house to power your heater in winter?
Lets assume the panels are 00 Watt panels. You would need 50 panels to just provide power for the heating maybe 2-4 hours a day on nice sunny days. Get the picture? Remember the rating on a panel is peak power when the sun is at just the right position. Solar panels are not normally a good system for heat or air conditioning. They simply get much to large and expensive, and are not reliable because the sun does not always shine. If you are in an area where the electric company will purchase any power you do not use and give you a credit, then you can build a system much larger than you need in the spring and fall and might be able to produce enough during these periods and get a credit. You then use the credits in the winter for heat and in summer for cooling. This requires a detailed study of your uses all year, then designing a system that produces enough to cover your yearly KWH load. It will probably be very expensive, but many are using taxpayer dollars subsidies and electric company rebate programs to make these system more cost-effective. You would need to check your local area utility company.

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