• 250w Polycrystalline Alabama Solar Panels for Sale System 1
  • 250w Polycrystalline Alabama Solar Panels for Sale System 2
  • 250w Polycrystalline Alabama Solar Panels for Sale System 3
250w Polycrystalline Alabama Solar Panels for Sale

250w Polycrystalline Alabama Solar Panels for Sale

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Loading Port:
Shanghai
Payment Terms:
TT OR LC
Min Order Qty:
10000 watt
Supply Capability:
1000000 watt/month

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Specification

Material:
Polycrystalline Silicon
Max. Power(W):
250
Number of Cells(pieces):
60

Produt name: 250W Poly Crystalline Solar Panel

250W Polycrystalline Solar Panel for SaleProduct 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

 
Specs

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 Efficiency15.37%
Max. System Voltage1000VDC
Cell Size and SeriesPoly 156*156  60pcs (6*10)
Temperature Coefficient of Pmax- 0.47% / º C
Temperature Coefficient of Voc- 0.35% / º C
Temperature Coefficient of Isc0.05% / º C
Mechanical Characteristics
Dimension (mm)1640*992*40
FrameAnodized Aluminium Alloy
Glass3.2mm,High Transmission,Tempered Glass
Junction box & CableIP65 Rated weatherproof connectors
Cable: TUV 1x4.0mm2 / UL12AWG,Length:900mm
Weight19.0Kgs


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


FAQ:

1.Price per watt?

It depends on the quantity, delivery date and payment terms.

2.Parameter of the module?

We have different series of panels in different output, both c-si and a-si. please take the specification sheet for your reference.

3.Can you provide the peripheral products of the solar panels, such as the battery, controller etc.?

We have two companies(CNBM International & CNBM engineering Co.) with different approaches. We can supply not only the solar module but also Solar Cells, off grid solar system, even service with on grid plant.

4.Warranty policy?

Our product performance guarantees for 25 years

• 12 years guarantee for workmanship

• Timeliness of delivery

• Quality Products certified (TÜV, UL, CE, ISO)

5.Lead time?

In 3 days after purchasing, we will arrange the factory delivery ASAP. The specific time of receiving is related to the state and position of customers. Commonly 7 to 10 working days can be served.


Q: I want to know how you can store energy using a solar panel. The energy stored needs to be stored so that a light or laptop charger can plug in to it.
Solar panel is not a energy storing device, rather it converts light energy to electrical energy and this energy either can directly used to run instruments or can be fed to battery for storing. The working of the solar panel is like the inverse action of a LED, i.e. a LED converts electrical energy in to light where as a solar panel converts light energy in to electrical energy, basically it is a P-N junction diode.
Q: Are there any limitations to the lifespan of solar panels?
Yes, there are limitations to the lifespan of solar panels. While solar panels are designed to be durable and long-lasting, they do have a finite lifespan. The average lifespan of solar panels is typically around 25-30 years. However, environmental factors, such as extreme weather conditions, can affect their performance and longevity. Over time, solar panels may experience degradation, reducing their efficiency and power output. Additionally, technological advancements may render older solar panel models outdated or less efficient. Despite these limitations, proper maintenance and regular cleaning can help extend the lifespan of solar panels.
Q: Can I add more solar panel let say up to 200 watt and adding two 2 volts battery using the same charges controller and power inverter?
That charge controller is notoriously cheap and burns up easily. If you are going add solar panels, also buy another charge controller to go with them. They can both be connected to the same battery bank. I don't believe the kit comes with batteries, so you would buy whatever size 2V battery bank your power requirements call for. The size of the inverter depends entirely on what you are going to power with it, not the size of the panel array. As long as you are not powering anything that is over the 300W rating, you don't need a new one. Just be sure to check the details of the inverter, is it 300W continuous, or can it handle up to a 300W surge? Also, it's a modified sine wave inverter instead of a pure sine wave inverter, so don't plug any sensitive electronics into it. They may not work, or you may get a buzz or hum from it.
Q: What are the financial benefits of installing solar panels?
Installing solar panels can provide numerous financial benefits. Firstly, solar panels can significantly reduce or eliminate monthly electricity bills as they generate free and sustainable electricity from the sun. This can result in substantial long-term savings, especially in areas with high electricity rates. Moreover, solar panels often have a long lifespan, making them a worthwhile investment. Additionally, many governments and utility companies offer financial incentives such as tax credits, rebates, and net metering programs, further reducing the upfront cost and maximizing the financial return. Lastly, solar panels can increase the value of a property, making it more attractive to potential buyers and potentially yielding a higher resale value. Overall, by installing solar panels, individuals can save money, increase their property value, and contribute to a more sustainable future.
Q: Can solar panels be installed on a sports stadium?
Yes, solar panels can be installed on a sports stadium.
Q: Alright my family and i are buying a new home in Bradford,Ontario, we we thinking about solar panels and had a couple questions:. how much are they each?2. how many will we need to power a single family home(4 ppl)3. where can we find them in ontario?4.how much money do they really save you?5.what kind of energy do they providfe you withand other basic info or a website i can check out would be great!thanks in advance!
I have a system that was installed last year. I have 20 panels which provide me with about 75% of my electricity. I do use less electricity than the average home. I use an average of 45 kwh in the summer, my neighbor uses more than double that. I paid $26K for the system, but I got a $0K rebate from my utility and the US gives a fed. tax credit. I am saving about $2K per year, so it will take just over 6 years to break even. I also have what I think is called net metering, my utility allows my meter to run backwards when I generate more energy than I use, so pretty much the entire time the sun is out in the summer. Having energy efficient appliances, reducing standby energy and using conservative climate control really helps keep my usage down. Weather striping, insulation and clean well maintained systems all help as well.
Q: Can solar panels be installed on a church or place of worship?
Yes, solar panels can be installed on a church or place of worship. In fact, many religious institutions have embraced solar energy as a sustainable and environmentally-friendly solution for their energy needs. Installing solar panels on a church can help reduce energy costs, lower carbon footprint, and demonstrate a commitment to stewardship of the earth's resources. Additionally, solar panels on a place of worship can serve as a symbol of the institution's values and inspire the community to adopt clean energy practices.
Q: Do solar panels require building permits?
Yes, in most jurisdictions, solar panels require building permits. The requirements for obtaining a building permit may vary depending on the location and the size of the solar panel installation. It is important to check with the local building department or municipality to determine the specific regulations and permits needed for installing solar panels.
Q: How do solar panels withstand hail and other extreme weather conditions?
Solar panels are designed to withstand various weather conditions, including hail and extreme weather. They are typically made with durable materials such as tempered glass, which is highly resistant to hail damage. Additionally, the panels undergo rigorous testing to ensure their ability to withstand high winds, snow loads, and extreme temperatures. The frames and mounting systems used to secure the panels also contribute to their resilience against severe weather. Overall, solar panels are built to be robust and reliable, enabling them to endure hail and other extreme weather conditions.
Q: How are solar panels made?
Solar panels are made using a complex manufacturing process that involves several key steps. First, high-quality silicon ingots are sliced into ultra-thin wafers. These wafers are then treated with various chemicals to enhance their electrical properties. Next, metal contacts are added to the front and back of the wafers, allowing for the flow of electricity. The wafers are then assembled into a module, encapsulated in a protective layer, and sealed with a glass cover. Finally, the completed solar panels undergo rigorous testing to ensure their efficiency and durability before being ready for installation.

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