• Solar  Polycrystalline  Panels Max Power250W System 1
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Solar  Polycrystalline  Panels Max Power250W

Solar Polycrystalline Panels Max Power250W

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Loading Port:
Shanghai
Payment Terms:
TT OR LC
Min Order Qty:
100 pc
Supply Capability:
30000 pc/month

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Product Description:

Solar Polycrystalline Series

Our designing philosophy is making solar product easy to use and convenient to maintain. We adhere to "develop inverter and controller" as our core technology, and built up solar product from 0.5W to 100KW into standard and mass production, meeting most customers' needs in this field.

 

Product Name : 250W solar panels
Max Power(W) : 250W-36P
Dimension(mm) : 1960*986*50 (mm)
Weight(kg) : 23.5 (kg)
Max Current(A) : 6.94 (A)
Max Voltage(V) : 36 (V)
Short Circuit Current(A) : 7.78 (A)
Open Circuit Voltage(V) : 43.2 (V)
Number of Cell (PCS) : 6*12 (PCS)

 

Contrast with other model solar panels

Solar  Polycrystalline  Panels Max Power250W

ITEM NO.

ESC280W-36P

ESC270W-36P

ESC250W-36P

Maximum Power (W)

280

270

250

Optimum Power Voltage (V mp)

35.14

35.14

35.14

Optimum Operating Current (I mp):

7.97

7.69

7.12

Open Circuit Voltage (Voc)

43.2

43.2

43.2

Short Circuit Current (ISC)

8.53

8.21

7.6

Cell Efficiency (%)

16.00%

15.40%

14.27%

Module Efficiency (%)

14.49%

13.97%

12.94%

FF (%)

70-76%

Warranty

90% of 10 years, 80% of 25 years.

Standard Test Conditions

AM1.5  1000W/m225 +/-2ºC

Bypass Diode Rating (A)

12

Cable & Connector Type

Pass the TUV Certificate

Brand Name of Solar Cells

----Cell

Size of Module (mm)

1960*986*50

Solar Cell

156*156Poly

Backing (Material)

TPT

Frame (Material Corners, etc.)

Aluminum-alloy

Number of Cell (PCS)

6*12

N/W(KG)

20.96

Junction Box Type

Pass the TUV Certificate

Tolerance Wattage (e.g. + /-5%)

+3%

Front Glass Thickness (mm)

3.2

Surface Maximum Load Capacity

2400Pa

Allowable Hail Load

23m/s, 7.53g

Packing

1*20'

226pcs

1*40'STD

460pcs

Temperature Coefficients of ISC(%)ºC:

0.04

Temperature Coefficients of Voc(%)ºC:

-0.38

Temperature Coefficients of Pm(%)ºC:

-0.47

Temperature Coefficients of IM(%)ºC:

0.04

Temperature Coefficients of VM(%)ºC:

-0.38

Temperature Range

-40ºC to +85

FAQ

We have organized several common questions for our clientsmay help you sincerely

①What price for each watt?

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

②What is your size for each module? Can you tell me the Parameter of your module?

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

③Can you provide the peripheral products of the solar panels, such as the battery, controller, and inverter? If so, can you tell me how do they match each other?

Yes, we can, we have two companies for solar region, one is CNBM International, the other is CNBM engineering Co.

We can provide you not only the solar module but also the off grid solar system, we can also provide you service with on grid plant.

④What is your warranty system?

 Our product  performance guarantees for 25 years

• 12 years guarantee for workmanship

• Timeliness of delivery

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

⑤How do you pack your products?

We have rich experience on how to pack the panels to make sure the safety on shipment when it arrives at the destination.

⑥ Can you do OEM for us?

Yes, we can.

⑦How long can we receive the product after purchase?

In the purchase of product within three working days, We will arrange the factory delivery as soon as possible. The pecific time of receiving is related to the state and position of customers.Commonly 7 to 10 working days can be served.

 

Q:Can solar panels be installed on theme parks or amusement parks?
Yes, solar panels can be installed on theme parks or amusement parks. In fact, many parks are increasingly embracing renewable energy sources like solar power to reduce their carbon footprint and energy costs. Installing solar panels on theme parks can not only provide clean and sustainable energy but also serve as a visible demonstration of their commitment to environmental sustainability.
Q:I've heard that solar panels have back-up batteries for when it is cloudy or rainy that day.. is this true?
depending whether the solar array is back to grid or stand alone. Back to grid refers to the array being connect through the inverter to the main electricity supply grid. So when you are producing electricity from the solar array it feeds back into the main grid. Now if you are using more electricity than your array is producing then none will feed into the grid. The stand alone systems require batteries, which are charged from the electricity produced by the solar array. Solar arrays produce electricity on cloudy and rainy days but at a greatly reduced rate ; therefore little to no usable electricity is produced. Stand alone systems require batteries to store the electricity for use at night time and other times when the array is not producing . The back to grid systems require little to no maintenance as the electricity produced is fed back into the electricity network and stored there. Your meter is replaced with a dual meter . It reads your usage and your production. If in Australia you will get paid for the electricity you feed back into the grid. hope this helps.
Q:How do solar panels affect roof aesthetics?
Solar panels can have both positive and negative impacts on roof aesthetics. On one hand, solar panels can enhance the visual appeal of a roof by adding a modern and eco-friendly element. They can also create a sleek and streamlined look when installed properly. However, some people may find solar panels to be visually intrusive or out of place, especially if they do not blend well with the overall architectural design of the building. Ultimately, the impact on roof aesthetics depends on personal preferences and the design and placement of the solar panels.
Q:Can someone tell me if I can run a air conditioner off solar panel?I have a ET-P65420 20Wp solar panel. What do I need to make it work? I am told I will need a Enphase Energy Microinverter M20. Is that true? I am looking to run a 5000 to 8000btu air conditioner to a max of 0000btu air conditioner. I need to cool a 0x30 space. One time I read, I need total watts of panel to match total watts of air conditioner. Then I read, that I do not and can run more watts then what the panel is depending on the inverter and batteries.Can someone tell me what and how to make this work please? More panes or inverter and batteries?
You can expect such an air conditioner to use something like 500 - 800 watts of power. The ET-P65420 20Wp solar panel produces at most 20 watts so you will need at least three of them. Since solar cells make DC (Direct Current) electricity, and air conditioners use Alternating Current (AC) electricity, you do need an inverter. The M20 is a 220 volt inverter, and I suspect you are looking at a window air conditioner that will probably use 0 volt power. And the M20 only puts out a maximum of 240 watts so you need one for each of the 3 or more solar panels you will have to use. So the first thing to do is shop for air conditioners, getting the most energy efficient model you can find, paying close attention to the voltage and wattage ratings in the owner's manual or on the UL label on the back. Say it is a 500 watt, 0V unit. You will need three solar panels and three 0 volt model inverters. Also note that the 20 watt rating of the solar panels if when the panel is facing DIRECTLY at the Sun. If you just lay them on the roof, then even if the roof is sloped at a good angle (30 degrees) and facing south, it will only produce the maximum power around noon. 4 hours before noon, unless to go up there and tip them up to face the morning Sun they will probably produce only about half that amount of power. So right there you either need a motorized mount to automatically follow the Sun or twice as many panels. However, if you are going to connect the solar panel(s) into the house power, so that it(they) merely supplement the power company power, then you can use any amount of panels, and the power company will supply whatever extra power you need. That requires a licensed electrician to do. Or if you want to just power the air conditioner directly from the solar panels without any interconnection to the house power, then you need to know a lot more about electricity that you appear to know.
Q:Can solar panels be installed on historical landmarks?
Yes, solar panels can be installed on historical landmarks. However, it requires careful planning and consideration to ensure that the installation does not compromise the historical integrity of the landmark. This may involve using discreet mounting systems or integrating solar panels into existing structures. Additionally, obtaining the necessary permits and approvals from relevant authorities is crucial before proceeding with the installation.
Q:Can solar panels be installed on community centers or libraries?
Yes, solar panels can be installed on community centers or libraries. In fact, community centers and libraries are often ideal locations for solar panel installations due to their large rooftops and high energy consumption. Installing solar panels on these buildings can help reduce electricity costs, promote renewable energy use, and contribute to a more sustainable and environmentally friendly community.
Q:Can solar panels be installed on water treatment plants or utilities?
Yes, solar panels can be installed on water treatment plants or utilities. In fact, many water treatment plants and utilities have started to adopt solar energy as a sustainable and cost-effective solution to power their operations. Solar panels can be installed on the rooftops or open areas of these facilities, helping to generate clean electricity and reduce their carbon footprint.
Q:Do solar panels require maintenance?
Yes, solar panels do require maintenance. Regular cleaning to remove dirt, dust, and debris is necessary to ensure optimal efficiency. Additionally, periodic inspections and maintenance checks are recommended to identify and address any potential issues such as loose connections, wiring problems, or shading that may affect performance. However, compared to other forms of energy generation, solar panels require relatively low maintenance efforts.
Q:We see increasing, what appear to be, solar panels on electric poles?
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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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