Affordable 30-60w High Quality Poly Solar Panels - ODM
- Ref Price:
-
- Loading Port:
- China main port
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 10 watt
- Supply Capability:
- 100000 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 250w 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
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.
Advantages:
1.Solar Energy&green energy.
2. Easy to install, operate and maintain.
3. Ideal lighting products where normal electric is not convenient.
Our services:
1. Sample: Sample is available. Please send us email about your detail consignee information: name, address, zip code and tel. Then we will contact you and send samples to you.
2. Small order: We can accept small order for this product. Please let us know your order quantity.
3. Customize: We accept OEM service and can customize products as customers' design.
4. After-sales service: We will give customers active feedback within 24hours after receive any of customers' questions.
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 does Solar Panel make Electricity ?
- photons excite electrons in the silicon to a higher energy level
- Q: Can solar panels be installed on water pumps?
- Yes, solar panels can be installed on water pumps. This allows the pumps to operate using renewable energy from the sun, providing an eco-friendly and cost-effective solution for pumping water.
- Q: Can solar panels be used in areas with high winds?
- Yes, solar panels can be used in areas with high winds. However, it is important to ensure that the solar panel installation is designed and built to withstand the specific wind conditions of that area. This may involve using appropriate mounting systems, securing the panels properly, and considering the orientation and tilt angles. Additionally, selecting high-quality materials and conducting regular maintenance can help ensure the longevity and performance of the solar panels in high wind areas.
- Q: I am designing a solar panel but i need to have maximum power output.How can i optimize the equation for power Total power=voltage * current to get maximum power.
- first place the panel so it is at right angles to the solar rays. Make sure none of the panel has any shade whatsoever. For best results use motor drives to keep it in that position as the sun moves across the sky. For overall maximum versus time, you need to be near the equator. Solar cells have a high internal resistance, so for maximum power transfer, you need a load of that same resistance. A good charge controller will use DC-DC converters to provide that load. .
- Q: I found portable solar panels used for boats etc. and was wondering how I could effectly use them for my home instead. If you have used them in the past, please tell how they worked (good or bad).
- portable panels are too small to be much use for a modern household. A panel appx 20 inches square might supply a laptop computer... but it won't keep your refrigerator running.
- Q: Can solar panels be installed on a winery or vineyard?
- Yes, solar panels can be installed on a winery or vineyard. In fact, many wineries and vineyards have embraced solar energy as a sustainable and cost-effective solution to power their operations. The large open spaces, such as rooftops or unused land, provide ample opportunities for installing solar panels, which can help wineries and vineyards reduce their carbon footprint and lower energy costs.
- 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 sleek and modern look. They can also make a statement about a homeowner's commitment to renewable energy. However, some people may find solar panels to be visually intrusive and believe that they disrupt the overall harmony and symmetry of a roof. Ultimately, the impact on roof aesthetics depends on individual preferences and the design of the solar panel installation.
- Q: I riped two solar panels out of some solar light and tested them. I found out that they both produce 2 volts(I have no idea on the watts or amps). Iquot;ve hooked them up to an electric motor that can be driven by a AA battery, but when I hook the solar panels up to them nothing happens. What is wrong?
- The solar cells you have are not providing enough current to operate the motor. There are special low power motors which can operate directly from a solar cell but it sounds like you do not have one of these. Instead you have a common .5V DC hobby motor which requires substantially more current to operate. You can use the original circuit to charge the batteries and use the charged batteries to run the motor. The batteries would be able to supply enough current to operate the motor, but for a limited time. 8 hours of charging might give you less than 5 minutes of motor operation. An LED will draw about 20ma. In a solar light such a small current draw from an LED or two can provide hours of light. A Small DC motor might easily require 300ma to run and over 500ma to start. Running a motor from the same battery at over 5 times the current draw will result in less than /5 of the run time compared to the low current LED. So if an LED operates for 300 minutes the motor would run for less than 20.... The small solar cell size cannot provide enough current to operate the motor directly. Only by slowly charging a battery first would you be able to use the collected and stored Solar energy to operate your motor.
- Q: I would love to put in solar panels on my roof, but how hard would it be, and how expensive? Would I be able to do the work myself, or would I have to hire a pro?Also I live in Oregon, so much of the time it is overcast, so would it really be worth it?
- Did okorder / . This will absolutely save yourself!
- Q: i've heard environmentalists like ed begley jr use the phrase quot;peak shaving hourswhen talking about solar energy.what does that phrase mean, please?thank you to all who respond.
- Graminoids are among the most versatile life forms. They became widespread toward the end of the Cretaceous period, and fossilized dinosaur dung (coprolites) have been found containing phytoliths of a variety that include grasses that are related to modern rice and bamboo. Grasses have adapted to conditions in lush rain forests, dry deserts, cold mountains and even intertidal habitats, and are now the most widespread plant type; grass is a valuable source of food and energy for all sorts of wildlife and organics. Graminoids are the dominant vegetation in many habitats, including grassland, salt-marsh, reedswamp and steppes. They also occur as a smaller part of the vegetation in almost every other terrestrial habitat. There are some 3,500 species of graminoids. Many types of animals eat grass as their main source of food, and are called graminivores – these include cattle, sheep, horses, rabbits and many invertebrates, such as grasshoppers and the caterpillars of many brown butterflies. Grasses are also eaten by omnivorous or even occasionally by primarily carnivorous animals. In the study of ecological communities, herbaceous plants are divided into graminoids and forbs, which are herbaceous dicotyledons, mostly with broad leaves.
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Affordable 30-60w High Quality Poly Solar Panels - ODM
- Ref Price:
-
- Loading Port:
- China main port
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 10 watt
- Supply Capability:
- 100000 watt/month
OKorder Service Pledge
OKorder Financial Service
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