Inlay Solar Panels 250w Polycrystalline Solar Panel Made in China

Inlay Solar Panels 250w Polycrystalline Solar Panel Made in China System 1

Inlay Solar Panels 250w Polycrystalline Solar Panel 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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Product Description

Produt name: 250W Poly Crystalline Solar Panel

Product Highlights:
1. Guarantee positive power tolerance (0~+3%)
2. Module can bear snow loads up to 5400Pa and wind loads up to 2400pa
3. High performance under low light conditions (cloudy days, mornings and evenings)
4. Certified by Europe standards of TUV, IEC, CE and British MCS and AUS CEC
5. OEM/ODM available

Specification：

Electrical Characteristics
Maximum Power [Pmax]	250W
Power Tolerance	+/-3%
Maximum Power Voltage [Vmp]	30.1V
Maximum Power Current [Imp]	8.31A
Short-Circuit Current [Isc]	8.73A
Open-Circuit Voltage [Voc]	37.3V
Module Efficiency	15.37%
Max. System Voltage	1000VDC
Cell Size and Series	Poly 156156 60pcs (610)
Temperature Coefficient of Pmax	- 0.47% / º C
Temperature Coefficient of Voc	- 0.35% / º C
Temperature Coefficient of Isc	0.05% / º C
Mechanical Characteristics
Dimension (mm)	164099240
Frame	Anodized Aluminium Alloy
Glass	3.2mm,High Transmission,Tempered Glass
Junction box & Cable	IP65 Rated weatherproof connectors Cable: TUV 1x4.0mm2 / UL12AWG,Length:900mm
Weight	19.0Kgs

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

250W Polycrystalline Solar Panel
Application:
Poly 250W Panels in 1MW CGC PV Demonstration Project

The Future Looks Brighter with Us!

Q: i want to go off grid with solar panels but i need to know how many vots and watts i need to power my house: Very simple. Look at your bills from the past year and calculate how much power you used and see what you need to cover that usage. How are we supposed to know how much power you use? Maybe you live in a bdrm trailer or a 6000 sg ft house with 20 kids. Oh and remember a few things. There is more to ' going off the grid ' than just solar panels. When the panels work depends a lot on your climate. They kind of suck on cloudy days or if you live in the artic with 6 months of darkness.Also , you need an area for the (not so cheap) storage batteries. Learn to live by cooking with gas or wood as hydro is limited , so is heat. How do you plan on heating your home /water/ refrigerators and freezers? Off the grid means a lot of compromise. Even the amount of time you can spend on the computer asking these questions. You may be limited to no more than hr per day. Off the grid also includes removing any electronic influence. No cell phones , tv (cable/sat) internet. Grow your own food and live off the land. The amount of solar panels you would need to maintain even a current lifestyle as most of us know it would probably require at least /2 acre and the cost would take at least 5-25 yrs to recover. You really need to spend more time into looking at what the cost versus return is. Like I said before. Look at what you use and see what it takes to get that from your panels. You will be shocked. Currently the panels are very good. But they cannot produce what the average home needs per day every day, they are support systems. Much like a fire place. Now they are nice to have and are very efficient. 50 yrs ago you used to toss in 2-3' logs about 6 around into the only heat source in your home. A fireplace. And it sucked more cold air into the house than the heat it produced. History has a way of repeating itself. This stuff was out almost a decade ago, they just didn`t have batteries then

Q: Can solar panels be installed on a swimming pool?: Yes, solar panels can be installed on a swimming pool. In fact, many pool owners choose to install solar panels to heat their pools and reduce energy costs. The panels absorb sunlight and convert it into energy to heat the water, extending the swimming season and making the pool more comfortable for users.

Q: Is it really necessary to make solar panels that expensive?: First Solar recently announced that their costs to produce panels dropped below $ per watt. I don't know how much of that is accounting tricks. Of course, that doesn't mean that they would sell panels for that price - any capitalistic company is expected to drive the price up to what the market will bear. Crystalline silicon panel producers are coming in at about $2.50/watt right now for the best of them. But again, the selling price is what the market will bear.

Q: What is the impact of dust and dirt on solar panels' efficiency?: Dust and dirt can significantly impact the efficiency of solar panels. When a layer of dust accumulates on the surface of the panels, it reduces the amount of sunlight reaching the solar cells, thereby reducing their ability to convert sunlight into electricity. This decrease in efficiency can range from a few percentage points to even as much as 20% in extreme cases. Therefore, regular cleaning and maintenance of solar panels are essential to maintain their optimal performance and maximize energy production.

Q: Can solar panels be used for street lighting?: Yes, solar panels can be used for street lighting. Solar panels can generate electricity from sunlight and store it in batteries, which can then power streetlights during the night. This is an eco-friendly and cost-effective solution for street lighting, as it reduces reliance on the electrical grid and helps to conserve energy.

Q: I am thinking of buying a 3w solar panel called the nomad 3 from goal zero. I want to charge 35Wh lithum batteries. I have heard that lithium batteries are temperatmental and without a regulated current things could get ugly.I have a couple of chargers that came with the batteries. One is a 2v car charger and another is 0-240v wall charger.Goal zero sell something called a sherpa 50, which contains rechargeable batteries and an inverster and I think they suggest that I charge my batteries indirectly through the Sherpa 50, however, the sherpa 50 is expensive at $200, and seems to have a small capacity, in addition to being extra weight that i don`t want to carry.Electronics geniuses, you are my only hope.: Lithium batteries do have special charging requirements. I would recommend that you use the 2 volt charger that came with them to keep them happy. Automotive power systems can have voltages as high as 4.5 volts when the engine is running so there's no need to limit the output of the panel to anything less than that. Check with the charger manufacturer to see what it will withstand. Some will work with systems up to 24 volts nominal (up to 29 volts actual) found in larger commercial vehicles such as trucks and busses. If your charger will work with both 2 and 24 volt systems you might not need anything extra to use the unregulated output of the panel. Otherwise I'd recommend a shunt regulator to clamp the output of the panel to no more than 4.5 volts. That way it would dissipate (waste) very little of the panel's power, and even that would only be during those rare times when the panel is producing maximum output. Such a device could be as simple as a high power zener diode, a low power zener coupled with a power transistor, or a precision shunt regulator such as a TL43 coupled with a power transistor. A more complex way would be a to use buck/boost regulator between the panel and your charger. You might gain a slight advantage under low light conditions when the panel isn't putting out much but the overall efficiency could end up worse than the simpler shunt regulator. Under optimum conditions, I would expect it to take a full day for a 3 watt (peak) panel to charge just one of your 35 Wh batteries. Charging an intermediate device such as the Sherpa 50 through its built in charger and then using it to charge your battery through yet another charger would severely cut your overall efficiency. Depending on how long you'll be gone, it might be far more practical, reliable, and economical to just carry (or find a way to be resupplied with) a few additional fully charged 35 Wh batteries. Don

Q: want to add solar panels to manufactured home, and we get a lot of snow up here in the NW. Wondering if it would interfer with the roof load.: A single hexagonal solar panel weighs around 0 to 2 pounds (see link). A conventional silicon solar panel might weigh 40 pounds.

Q: Does San Francisco get enough sunshine to really make solar panels a viable option for creating a self-supporting home? Certainly a wind turbine would be a good source of energy, but what about solar panels? Does S.F. get enough sunshine to justify using solar panels? It's overcast a lot in the Bay Area, are there any solar panels better than others for a climate like this?: Yes, San Francisco gets enough sunshine. That will vary depending on your site location, some are better than others. The best way to find out how much electricity your specific location can generate is to get a quote from a solar company. I am in the process of getting PV's installed on my home in the Sacto area and got quotes from 3 companies. My home is in a good, not optimal possition and depending on where on the roof I place the panels my efficiency will vary. Also depending on the brand of panels, some will take less square footage on the roof to produce the same amount of electricity. The price on all 3 were very close to each other. All 3 companies I dealt with gave a no cost/no obligation quote, and they were are very knowledgeable about the specific utility rebates I would be eligable for. I say it is well worth the time to check it out. My system should be going onto my roof in just a few more weeks. I was able to get nearly 50% of my cost refunded by my utitlity, plus my federal tax rebate. My system should be paid for in about 6 years.

Q: Do I need some type of regulator when the batteries are fully charged.?? The Arco Panels voltage is approx 7VDC at 2.5 amps, Should I limited the voltage to 4VDC???. I would like to connect both panels to up to five batteries at one time...???: includes info that suggests the panels (actually called modules) are rated at 2 volts. At less than rated load they will put out a higher voltage, as you have seen. Connecting the modules in parallel will give you the same voltage output. Yes you would need something to regulate the output voltage. It will not be cheap.

Q: Can solar panels work during cloudy or rainy days?: Yes, solar panels can still generate electricity during cloudy or rainy days, although their efficiency may be reduced. While direct sunlight is optimal for maximum power output, solar panels can still capture diffuse sunlight and convert it into usable energy.

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