Tw Solar Panels 250w 30v PV Module for Solar System Poly Panel

Tw Solar Panels 250w 30v PV Module for Solar System Poly Panel System 1

Tw Solar Panels 250w 30v PV Module for Solar System Poly Panel

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Loading Port:: Shekou

Payment Terms:: TT OR LC

Min Order Qty:: 360 pc

Supply Capability:: 1000000 pc/month

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Specification

Material:

Polycrystalline Silicon

Max. Power(W):

250

Number of Cells(pieces):

250w 30V PV Module for Solar System Poly Panel

CNBM is a high-technology enterprise which specially engaged in solar products development, production, sales and service. The range of our products includes solar cell series, solar module series and solar system from 100w-100kw. We focus on establishing, equipped with advanced electronic equipment, backed by experienced technical support and professional high-quality managers.

CNBM solar products meet with great favor of customers at home and abroad. We enjoy a good reputation from our customers for high quality, competitive price, prompt delivery and best service. There is a stream of developing, producing and marketing elite, who are full of experience of solar products research and development. They hold professional service and customers’ contentment as their aim, and take high efficiency, excellence, and top quality as the highest mission.

Item	photovolatic panel
Solar cells :	Poly-Crysalline 156×156mm 60pcs.(6×10) ---3 bus bars
Max-power	245Wp	250Wp	255Wp	260Wp	265Wp	270Wp
Power Tollerance	0 to +6W
Voltage at Pmax (Vmp)	30.7V	30.9V	31.1V	31.3V	31.5V	31.7V
Current at Pmax(Imp)	7.98A	8.09A	8.17A	8.20A	8.31A	8.41A
Open-Circuit Voltage(Voc)	37.5V	37.7V	37.9V	38.2V	38.4V	38.7V
Short-Circuit Current(Isc)	8.58A	8.76A	8.87A	8.97A	8.99A	9.10A
Maximum system voltage(VDC)	1000(IEC), 600(UL)
Cell Efficiency	17.0%	17.3%	17.6%	17.6%	18.0%	18.3%
Moudule Efficiency	15.00%	15.40%	15.70%	16.00%	16.30%	16.60%
No. of Bypass Diodes (pcs.)	3
Max. Seriex Fues(A)	12A
Temperature coefficients of Pmax	-0.45%/ ℃
Temperature coefficients of Voc	-0.34%/ ℃
Temperature coefficients of Isc	0.05%/ ℃
Nominal Operating Cell Temperature	45±2℃
PS	STC Conditions (1000W/mm ; 1.5 AM and 25℃ Cell temperature)

We have different model, size and power

50W, 100W, 250W, 300W, and any thing customized.

We have a wild range of successful project all over the world.

We have advanced, mature and stable supply production line. Support your request on solar market.

Pre sale:

1.Our sales representative and engineer work together to answer your questions and offer solution for free

2.We choose the best product for you to make sure it worth its real value

3.We design the best solution with good perfomance for you,manwhile save every cent of your money.

After sale:

We provide 10 years Warranty for the product, 12 years warranty for 90% power production ,25 years warranty for 80% power production.

Q: Can solar panels be installed on fences?: Yes, solar panels can be installed on fences. In fact, fence-mounted solar panels have become increasingly popular as they provide an additional space for generating renewable energy without consuming valuable land.

Q: Can solar panels be installed on water pumps?: Yes, solar panels can be installed on water pumps. Solar-powered water pumps are becoming increasingly popular and are a sustainable solution for providing water in remote areas or off-grid locations. These pumps use solar energy to power their operation, making them environmentally friendly and cost-effective in the long run.

Q: Im doing a project and i have to persuade some one that solar pannels are great... help ?: Solar panels are eco friendly, they produce with out disturbing the enviroment. Instead of having to build dams and kill of species that have water homes we can use the sun as our energy source. im all for solar panels i hope this helps :)

Q: Can solar panels be installed in rural areas?: Yes, solar panels can be installed in rural areas. In fact, rural areas often have more space and sunlight, making them ideal for solar energy generation. Installing solar panels in rural areas can provide access to clean and renewable energy, reduce reliance on fossil fuels, and bring electricity to remote communities that are not connected to the grid.

Q: Let's say I can buy solar panels for my business for $5,000 and my payback period is 8 years. Would it be correct to assume that my money is best spent elsewhere (such as paying down debt) if I am being charged an interest rate of 3.9%?: Without doing any calculations, I would assume that paying down debt would be a better use of your money. Solar panels are only going to get less expensive and more efficient with time so waiting before you invest in solar panels is a good idea. Of course, to properly evaluate the prospects of going solar, you should consider the tax credits available in your state and the promotional value to your business.

Q: am having a 75 watts siemens solar panel and is giving me 2.89volts during bright light, i wanted to know can this be used to charge 00Am/hr battery?: Many of the panels used on homes are designed to produce 2 volts DC. 0 of them wired in a series would produce 20 volts DC. An inverter is used to change the DC voltage to AC. The other aspect of electricity is amperage. With electrical units wired in series the voltage is added. When they are wired in parallel the amperage is added. The Volts x Amps produced will give you the wattage. A wise homeowner will examine their electric bills or the equipment used to determine their demand. They will consult tables that let them know how much sunlight their area receives each year as this will alter the rated performance of the panels. Then they will try and determine how much of the demand they want to fill. 80% may be economical. Then they also want to determine what they will do with excess electricity that may be produced during the summer months of intense sun and how they will supply the shortfall of low sun winter months. From all this they will determine the number of solar panels they need to purchase.

Q: Can solar panels be installed on a hotel or hospitality facility?: Yes, solar panels can be installed on a hotel or hospitality facility. In fact, many hotels and hospitality facilities have already embraced solar energy as a renewable and sustainable source of power. Installing solar panels can help these establishments reduce their carbon footprint, lower energy costs, and demonstrate their commitment to environmental sustainability.

Q: The colder a solar panel gets the more efficient it seems to be. As the panel warms, it loses some efficiency. Why is this so? Please explain in a way you would expect a high school kid to understand it, as I am a high-schooler and i have to explain this to other high-schoolers.: Absolutely temperature matters. So what do higher temperatures do to solar photovoltaic panels? As temperatures rise, the efficiency of solar panels decreases. Heat causes electrical resistance to the flow of electrons. On days where the temperature is more than 75 degrees, the electrical resistance makes the voltage fall thereby producing less kilowatts per hour. Your roof is much hotter than temperatures on the ground. That’s why solar panels are not mounted flat to a roof. There’s usually a few inches of spaces between the panels and roof so air flow can easily pass through and cool the panels down. There are some photovoltaic panels that are designed specifically to operate in hotter temperatures. These panels have a higher temperature coefficient. This is especially important in high heat climates like Arizona or New Mexico, but probably wouldn’t make too much of a difference in New England (except maybe this year). If someone lives in one of these areas, they should speak to a solar installer to make sure they are using they right equipment for their region. Please note: Solar thermal panels used to heat water can withstand high temperatures without any degradation. In fact, hotter temperatures would actually be better for these types of modules.

Q: How do solar panels perform in areas with high pollution levels?: Solar panels are affected by high pollution levels as the presence of pollutants in the air can reduce their overall performance. The efficiency of solar panels decreases due to the reduced sunlight reaching the surface of the panels. Additionally, the accumulation of dust and particles on the surface of the panels can further hinder their performance by blocking sunlight. Regular cleaning and maintenance can help mitigate some of these effects, but high pollution levels can still have a negative impact on solar panel performance.

Q: Can solar panels be installed on waste treatment plants?: Yes, solar panels can be installed on waste treatment plants. In fact, many waste treatment plants are increasingly adopting solar energy systems to reduce their reliance on traditional energy sources and lower their carbon footprint. Solar panels can be installed on the rooftops or open land areas of these plants, providing a sustainable and renewable source of electricity for their operations.

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