Portland Solar Panels - Factory Direct Sale:A-Grade High Efficiency 250W Poly Solar Panels

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Our solar cells are widely used in solar pump, solar lighting, lamps, household electricity, traffic, communication, meteorological, building and photovoltaic power plants and so on.

Characteristics

Max Power Voltage Vmp(V): 30.4

Max Power Current Imp(A): 8.26

Open Circuit Voltage(V) : 37.5

Voc(V)Short Circuit (A): 8.88

Current Isc(A)Max Power Pm(W): 250

Temperature Coefficient of Cells

NOCT	45
Temperature Coefficients of Isc(%/℃）	0.04
Temperature Coefficients of Voc(%/℃)	-0.34
Temperature Coefficients of Pmp(%/C)	-0.42

Mechanical Data

Limits

Guarantees

Products Guarantee	12yrs free from defects in materials and workmanship
Performance Guarantee	No less than 90% within 10yrs and no less than 80% within 25yrs
Certificates	TUV(IEC61215&IEC61730), CE

IV Curve

Factory Direct Sale: A-Grade High Efficiency 250W Poly Solar Panels

Q: How do solar panels affect the electricity bill?: Solar panels can significantly reduce or even eliminate electricity bills by generating clean and renewable energy from the sun. By harnessing solar power, these panels can offset a portion or all of a household's electricity consumption, thereby reducing the amount of power needed from the utility grid. This ultimately leads to lower electricity bills and potential savings over the long term.

Q: What is the impact of hailstorms on solar panels?: Hailstorms can have a damaging impact on solar panels. The size and velocity of hailstones can cause physical damage to the panels, resulting in cracks, shattered glass, or dislodged components. This can impair the functionality of the panels, reduce their efficiency, and potentially require costly repairs or replacements. Additionally, hailstorms can also pose a risk to the structural integrity of the mounting system, potentially leading to further damage. To mitigate these risks, solar panel installations in hail-prone areas often incorporate protective measures such as tempered glass, polycarbonate shields, or hail guards to minimize the impact of hailstones.

Q: Are there any tax credits available for solar panel installation?: Yes, there are tax credits available for solar panel installation. The federal government offers a solar investment tax credit (ITC) that allows homeowners and businesses to deduct a percentage of the cost of their solar panel system from their federal taxes.

Q: Can solar panels be integrated into buildings?: Yes, solar panels can be integrated into buildings. In fact, many buildings today incorporate solar panels into their design to generate clean and sustainable electricity. These integrated solar panels can be installed on rooftops, facades, or even as part of the building materials themselves. This integration helps to maximize energy efficiency, reduce carbon emissions, and lower energy costs for the building occupants.

Q: Can solar panels be used to power an air conditioning system?: Yes, solar panels can be used to power an air conditioning system. Solar energy can be converted into electricity, which can then be used to power various appliances including air conditioning units. By harnessing the power of the sun, solar panels can provide a sustainable and cost-effective solution for cooling homes and buildings.

Q: Can solar panels be installed on carports or pergolas?: Yes, solar panels can be installed on carports or pergolas. In fact, these structures provide an ideal space for solar panel installation as they offer ample sun exposure and can optimize energy generation while providing shade or protection for vehicles or outdoor spaces.

Q: i would like to hook up a power outlet to a solar panelmy light system is 500watts will run for 8 hours/day between noon to 8PM.So what is the most effective system do I need?: You will need at least 500 W of solar panels (probably more to cope with cloudy days), and a DC to AC inverter. Since you're going to 8pm you *may* want a battery bank system too for those shorter winter days.

Q: quot;Does it take more energy to produce a solar panel than what the same solar panel can generate in its useful lifetime?quot;: I haven't any theory what you're doing or what you think of you're attaining. A 235 watt panel isn't lots potential. you may easily save it with a undeniable previous lead acid battery.

Q: Can solar panels be installed on warehouses or industrial facilities?: Yes, solar panels can be installed on warehouses or industrial facilities. In fact, these types of buildings often have large rooftops or open spaces that are ideal for solar panel installations. This allows them to generate clean and renewable energy, reduce their reliance on traditional power sources, and potentially save money on energy costs.

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

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