• 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: How much energy can be generated from a solar panel on a clear, bright summer's day for example?
it depends on the size of the panel and if it is installed in an optimal location. there are many 00W panels commercially available and they can be ganged for a number of different output configurations.
Q: im aware i dont fully understand. but with what i do. if P = iv, and current changes with voltage, whats the point of changing either. if in any cicumstance, you end up with the same wattage, how does changing either effect a solar setup. (2v panel vs 24v)thanks in advance. explain in laymans if you can.
The choice of solar panel voltage comes down more to what the panels will be connected to. You're right that power can remain the same at the different voltages. Higher input (panel) voltages are sometimes used in inverter systems to reduce the effect of voltage draw-down. 2v panels (about 20v open circuit) work well for charging 2v batteries, connected in parallel, through a charge controller. For use of a grid-tie inverter, higher input voltages are sometimes used to reduce the effects of draw-down. You want to select and wire (parallel vs. series) your panels based on the input voltage requirement of the load, whatever it may be.
Q: My husband is interested in buying solar panels for the roof and i dont know where to find them.
The okorder and read the to build or not to build article. Hope this helps. Dan
Q: Do solar panels require regular maintenance?
Yes, solar panels do require regular maintenance. This includes cleaning the panels to remove dust and debris, checking for any damage or defects, and ensuring proper functioning of the system. Regular maintenance helps to maximize the efficiency and lifespan of solar panels.
Q: Solar panels single crystal and double crystal in the rain which is easy to use
From the cost of production, than the monocrystalline silicon solar cells to be cheaper, easy to manufacture materials, saving power consumption, the total cost of production is low, so get a lot of development. In addition, the polysilicon solar cell life than monocrystalline silicon solar cells shorter. From the performance and price ratio, monocrystalline silicon solar cells also slightly better.
Q: How much space is required for installing solar panels?
The amount of space required for installing solar panels can vary depending on factors such as the size and type of panels, as well as the energy needs of the property. However, on average, a typical residential solar panel system requires about 100-400 square feet of roof space per kilowatt of installed capacity.
Q: Can solar panels be installed on a military base or facility?
Yes, solar panels can definitely be installed on a military base or facility. In fact, many military bases around the world have already adopted solar energy as a means to reduce their reliance on fossil fuels and increase their energy independence. Solar panels can be installed on rooftops, parking lots, or open fields within the base, providing a sustainable and reliable source of clean energy. The use of solar panels on military bases not only helps to reduce carbon emissions but also enhances the resiliency and security of the base's energy infrastructure.
Q: Can solar panels be used to power a skyscraper?
Yes, solar panels can be used to power a skyscraper. Advanced solar technologies and efficient panel setups can generate significant amounts of electricity, making it feasible to meet some or all of a skyscraper's power needs. However, considering the high energy demands of skyscrapers, a combination of solar power with other renewable sources or grid connection is often employed to ensure a reliable and consistent power supply.
Q: Can solar panels be installed on a hotel or hospitality establishment?
Yes, solar panels can definitely be installed on a hotel or hospitality establishment. In fact, many hotels and resorts are increasingly adopting solar energy systems to reduce their carbon footprint, lower energy costs, and demonstrate their commitment to sustainability. Solar panels can be installed on rooftops, carports, or even as ground-mounted arrays, providing clean and renewable energy to power various operations within the establishment.
Q: Can solar panels be used in areas with high levels of saltwater exposure?
Yes, solar panels can be used in areas with high levels of saltwater exposure. However, it is important to take certain precautions to prevent corrosion and maximize their performance. This can be achieved by using materials that are resistant to saltwater corrosion, such as stainless steel or aluminum frames, and encapsulating the solar cells with durable and protective coatings. Regular maintenance and cleaning can also help ensure the longevity and efficiency of solar panels in such environments.

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