Hot Sale 250W Poly Modules With Low Price
- Ref Price:
-
- Loading Port:
- China main port
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 2000 watt
- Supply Capability:
- 1000000 watt/month
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Packaging & Delivery
Packaging Details: 25PCS/Pallet, carton box with wooden pallet or wooden box with pallet
Delivery Detail: 7-15 days according to the order quantity
Product Description
A Grade 305w high efficiency Poly PV Solar panels
Max Power Voltage Vmp(V) | 31.5 |
Max Power Current Lamp(A) | 7.94 |
Open Circuit Voltage Voc(V) | 37.5 |
Short Circuit Current Isc(A) | 8.72 |
Temperature Coefficients of Isc (%/℃) | 0.0825 |
Temperature Coefficients of Voc (%/℃) | -0.4049 |
Temperature Coefficients of Pmp (%/℃) | -0.4346 |
Max Power(w) | 250 |
We now provide
• Monocrystalline Solar Panel
• Polycrystalline Solar Panel( multicrystalline silicon Solar Panel)
Features of our products:
• High conversion efficiency mono/poly-crystalline amorphous silicon solar cells
• Modules incorporate high performance bypass diodes to minimize the power drop caused by shading
• High transmittance, low-iron tempered glass
• High performance EVA encapsulant to prevent destroying and water.
• AI frame: without screw, corner connection. 8 holes on the frame can be installed easily
• Good performance of preventing from atrocious weather such as wind and hails
Limited Product Warranty
Under normal application, installation, use and service conditions, if MODULES fail to conform to this limited product warranty due to defects in material or workmanship, then for a period ending 12 years from date of sale as shown in the invoice or Contract issued by CNBM SOLAR. CNBM SOLAR will, at its option, either repair or replace or refund the purchase price as paid by the client for these defective MODULES. The repair or replacement or refund remedy shall be the sole and exclusive remedy provided under the “Limited Product Warranty” and shall not extend beyond the 12 years period set forth herein. It will be performed directly to the direct client only. This “Limited Product Warranty” does not warrant a specific power output, which shall be exclusively covered under “Limited Peak Power Warranty” as follows.
Company Profile
China National Building Material (CNBM) Group Corporation
CNBM International Corporation is a professional solar panel manufacturer in China for CNBM brand . Silicon panel ( silicon module), as our main product, has high quality and good service. Our products are very popular in Europe, Australia, England, Middle East, Mexico, Argentina, Chili, Singapore and Africa.
Furthermore, our products have gained international authorized certificates like TUV, UL and CE.
China National Building Material (Group) Corporation (CNBM), established in 1984, is one of the largest State-owned group corporations of building & mechanical materials which specializes in the design, manufacturing and distribution of building materials in the world.
As the whole world turns “green”, CNBM enters into the Photovoltaic Industry in 2005.After 6 years' fast growth, now our annual capacity is 500MW solar panel and 500MW solar cell.
FAQ
We have organized several common questions for our clients，may help you sincerely：
1.what price for each watt?
it depends on the quantity, delivery date and payment terms,
2.what 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.
3.Can 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 Solar Cells, 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)
5.How 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.
7.How 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:How do solar panels affect roof warranty?
- Solar panels can potentially affect roof warranties because their installation requires drilling holes in the roof, which can compromise its integrity. However, many solar companies offer warranties that cover any damages caused by the installation process, ensuring that the roof warranty remains intact. It is important to check with both the solar company and the roofing manufacturer to understand the impact of solar panels on the roof warranty.
- Q:I was trying to look online for solar panels for my home to take some of the strain off of using oil and electricity but I find it very hard to understand exactly how they are used.Like one that I looked up is 00 watts.....is that like a light bulb watt? How many things can that power? Is it really cheaper in the long run because the panels are very expensive?If anyone has web sites that can explain this to me I would appreciate a link, or anyone to answer part of my question.
- Solar okorder /
- Q:How do solar panels affect the appearance of a home or building?
- Solar panels can have a positive impact on the appearance of a home or building. While they do add an additional element to the exterior, the sleek and modern design of most solar panels can enhance the aesthetic appeal. Additionally, the presence of solar panels conveys a sense of environmental responsibility, making the property more attractive to eco-conscious individuals.
- Q:Okay, so I have a science fair coming up soon and I need help with my project. SO - What should I use to demonstrate with the propeller? A toy boat? Plane? And I only have mini solar panels ; so how do I put the solar panels on the toy boat/plane to make the propeller move off of the sun's energy? Thanks. Steps please!
- Solar panels produce electricity. To move the propeller you need mechanical motion. An Electric motor converts from electrical to mechanical power. Most Solar Panels produce DC electricity as do batteries so you need a DC motor that is sized to match the Output of your solar panels. For small temporary projects like this I find that hot melt glue is great to assemble parts. Using a voltage meter you can expose your solar panels to a strong light (or one equal to what you expect during your demonstration) and measure the voltage across the terminals. This may help to size the motor. It depends upon the size of your propeller and how it is made. Your three choices are to use it to power an airplane, to power a boat underwater or to power a boat like an air boat. You might also use the air boat concept to make a car. (air car) The air boat might be the simplest to make but you will need a body of water to demonstrate the concept. The air car doesn't have such a requirement.
- Q:How can solar panels be integrated into building designs?
- Solar panels can be integrated into building designs by incorporating them into the roof or facade of the building. This involves installing solar panels in a way that seamlessly blends with the architecture while maximizing exposure to sunlight. Additionally, solar panels can also be integrated into shading devices, windows, or canopies to generate electricity while providing additional functions such as shading or daylighting.
- Q:Solar panel for battary charging
- Check the rating on the battery. Either look on the label, or look up the exact manufacturer's part number on the internet. There should be an amp-hour (AH) rating. It's very doubtful that the battery is 65 AH, by the way. When you get the amp-hour rating, people can advise you further.
- Q:Can solar panels be installed on windows or glass surfaces?
- Yes, solar panels can be installed on windows or glass surfaces. There are specialized solar panels designed specifically for this purpose, known as transparent solar panels or solar windows. These panels are designed to allow light to pass through while still generating electricity.
- Q:I am doing a science fair project on solar panels, and I need four solar panels to conduct the experiment. I would only need the solar panels for a week. What type of solar panel should I get?
- Your USB power booster may be fragile and is likely expensive, so possibly you should get your 5 volts some other way. 3.7 volts plus a .2 volts D cell is 4.9 volts which is likely close enough for charging most anything with a USB charging cable. If bright sunlight is falling on your solar panel the battery voltage will go to about 5. volts charging at 700 MA, which is also likely acceptable, and will generally be less as part of the 700 ma is being used to charge something else. Also 300 ma may be more typical output of your solar panel even when the sun looks like it is bright. Over charging is unlikely unless the lithium cell has a lower amp-hour = AH rating than the Ni-cad (or nickel metal hydride NiMH 4 AH) D cell, but perhaps you should disconnect the solar panel, if it has been more than one bright sunny day since you charged something with a USB cable. If your battery reads over 5 volts with the solar panel unlighted or disconnected, you are likely to over charge either the lithium cell or the D cell. The PCB protected may complicate adding the D cell (probably not) so you may want to follow your original plan. Your solar panel may send as much as 9 volts to your PCB protection board, when the lithium cell does not need charging: Can the protection board tolerate 9 volts? Probably. If in doubt you can put either a .5 volt or .2 volt rechargeable D cell in series with the solar panel which reduces the input to your PCB protection by about .5 volts. That D cell will over charge, unless you replace it weekly, perhaps oftener. I think your PCB protection prevents over charging and cuts off the load if the lithium cell is discharged to an unsafe level or the load is demanding excessive current. Only the last is a possible problem = one of your USB cords may demand an amount of current that the PCB protection considers excessive. Your USB booster needs about twice as much current as the usb cord is supplying. You don't get the extra voltage by magic. Neil
- Q:Can solar panels be installed on outdoor lighting fixtures?
- Yes, solar panels can be installed on outdoor lighting fixtures. In fact, many outdoor lighting fixtures, such as solar-powered garden lights or street lights, come with built-in solar panels that allow them to harness energy from the sun to power the lights. This eliminates the need for electrical wiring and makes them more energy-efficient and environmentally friendly.
- Q:Can solar panels be used in cloudy regions?
- Yes, solar panels can still be used in cloudy regions. While solar panels are more efficient in direct sunlight, they can still generate electricity in cloudy conditions. Clouds diffuse sunlight, but some sunlight still reaches the solar panels, allowing them to produce power. However, the energy output may be lower compared to sunny regions.
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Send your message to us
Hot Sale 250W Poly Modules With Low Price
- Ref Price:
-
- Loading Port:
- China main port
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 2000 watt
- Supply Capability:
- 1000000 watt/month
OKorder Service Pledge
OKorder Financial Service
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