12V Polycrystalline Solar Panels 250W with High Efficiency
- Ref Price:
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- Loading Port:
- China main port
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 1000 watt
- Supply Capability:
- 1000000 watt/month
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Specification
Introduction of Poly solar panels CNBM
Polycrystalline Solar Panels 250W With High Efficiency
CNBM Solar photovoltaic (PV) Panel is designed for large electrical power requirements. It is the optimal choice for both on-grid and off-grid power systems. CNBM Solar panel offers high performance of power per square foot of solar array. Monocrystalline silicon(c-Si): often made using the Czochralski process. Single-crystal wafer cells tend to be expensive, and because they are cut from cylindrical ingots, do not completely cover a square solar cell module without a substantial waste of refined silicon. Hence most c-Si panels have uncovered gaps at the four corners of the cells.
Feature
1.Solar Cell : High efficiency crystalline solar cell. Even if under the weak light, the solar module can produce maximum power output.
2.Tempered glass (toughened glass): Anti-reflecting coating and high transmission rate glass increase the power output and mechanical strength of solar module.
3.EVA and TPT: Using high quality EVA and TPT to prevent destroying and water.
4.Long lifetime: ≥25 years; Less power decrease.
5.Resisting moisture and etching effectively, not effected by geology.
6.The certificate issued by international authority: UL, TUV, IEC, VDE, CE.
Specification
Characteristics of Poly solar panels CNBM | |||||
Max Power Voltage Vmp(V) | 30.3 | 30.8 | 31.1 | 31.4 | 31.85 |
Max Power Current Imp(A) | 7.60 | 7.64 | 7.73 | 7.81 | 7.85 |
Open Circuit Voltage Voc(V) | 36.1 | 36.6 | 37 | 37.3 | 37.68 |
Short Circuit Current Isc(A) | 8.50 | 8.55 | 8.65 | 8.75 | 8.85 |
Max Power Pm(W) | 230W | 235W | 240W | 245W | 250W |
Temperature Coefficient of Cells Poly solar panels CNBM | |
NOCT | 45℃ ± 2℃ |
Temperature Coeffucients of Isc (%/℃) | 0.0492 |
Temperature Coeffucients of Voc (%/℃) | -0.3374 |
Temperature Coeffucients of Voc (%/℃) | -0.4677 |
Mechanical Data of Poly solar panels CNBM | |
Dimension | 1638 × 982 × 40 mm |
Weight | 19.5 kg |
No. of Cells and Connections | 60 (6 ×10) |
Tolerance | 0 ~ + 5 W |
Cell | Monocrystalline Cell 156 × 156 mm |
Packing | 624 Pcs/40ft(H) Container |
Limits of Poly solar panels CNBM | |
Operating Temperature | -40℃ to +85℃ |
Storage Temperature | -40℃ to +85℃ |
Max System Voltage | 1000VDC(IEC) / 600VDC(UL) |
Guarantees of Poly solar panels CNBM | |
Products Guarantee | 12 yrs free from defects in materials and workmanship |
Performance Guarantee | No less than 90% within 10yrs and no less than 80% within 25yrs |
Certificates | TUV(IEC61215&IEC61730),VDE(IEC61215&IEC61730),UL,CE |
Packaging Information
Package:26pcs/box
Quantity:1 box/pallent
Loading Capacity:952pcs/40ft
- Q: I am confused. I am planning to build a simple 2Watt solar system to power some lights in my house. . I wonder if it is possible to power up a 2Watt bulb using 2Watt solar power?2. Normally, when we are reading the power rating of a bulb, we will read the wattage, so what about the voltage and current rating?3. If the current is insufficient, will the bulb light up?I am having a solar panel that can output 2W power but I am not sure about the output voltage, how can I find out about the current? I am getting really confused.
- Hey, okorder
- Q: I have to get a lot of information on how solar panels are developed and distributed in America because I have to do two pages on this. Please help me get information in this I really need it!! Thankss...
- The first link below is one of the best sites for recent news about solar panels. You should be able to find stories about solar panels under development today. A little bit of the history: Solar panels have been around for about 50 years now. They were first used to power spacecraft. Solar power for domestic use started to develop rapidly in the 970's during the first oil crisis, but as energy prices fell in the 980's solar development slowed. Most of the large solar panel makers were purchased by large oil companies who seemed not to be too interested in solar. In the late 990's as concerns about both Peak Oil and Global Warming grew there was renewed interest in solar power and a number of new companies were started to develop new kinds of solar panels. Many of these new companies have grown larger than the older solar companies still owned by big oil companies. Over the last 7 years or so growth in the solar market has been explosive with a compound growth rate of almost 40% per year. In 2005 the solar industry for the first time started to consume more silicon than all other electronic industries combined resulting in a world wide silicon shortage that is still with use. New silicon refineries are coming on line and the shortage is expected to diminish by 2008 or 2009. Check out the two links below. They will help you a lot.
- Q: Can solar panels be used in areas prone to hurricanes or earthquakes?
- Yes, solar panels can be used in areas prone to hurricanes or earthquakes. While these natural disasters can pose challenges, solar panels are designed to withstand extreme weather conditions. They are built with durable materials and undergo rigorous testing to ensure their ability to withstand high winds, heavy rain, and even minor earthquakes. Additionally, proper installation techniques and maintenance practices can enhance their resilience in these areas.
- Q: Can solar panels be used in areas with limited sunlight?
- Yes, solar panels can still be used in areas with limited sunlight. While solar panels are most efficient in direct sunlight, they can still generate electricity even in areas with less sunlight. The panels can capture diffuse sunlight and convert it into usable energy. However, the overall energy output may be lower compared to areas with abundant sunlight. Additionally, advancements in solar technology and the use of more efficient panels can further enhance their performance in areas with limited sunlight.
- Q: Can solar panels be used for powering electric fences?
- Yes, solar panels can be used to power electric fences. By harnessing the sun's energy, solar panels can generate electricity that can be stored in batteries and used to power electric fence systems. This renewable energy source offers a sustainable and cost-effective solution for powering electric fences in remote areas or locations without access to traditional power sources.
- Q: Say if i had a 2KW system is thtat just one big solar panel or does the whole system have little solarpanels together.?
- As Aviophage says, there is plenty of info around. Solar panels produce electrical energy from the sunlight's energy. The sun puts out around 00W per square meter, and the panels are up to 20% efficient at converting this. If you are looking for a Grid Connected power system, they are usually made up of 24V modules about 50W each. The full voltage produced is then around 50V to 500V DC depending on the sun etc. They are connected to a specialised grid connect or grid interactive inverter (look up Sunny Boy for an example) which converts this to mains power for use around the house, while any remainder is exported to the supply network. The supply company may buy this at premium rates, and governments may provide subsidies to approved installations. There may also be carbon credit certificates when you buy a system. Not all places allow such things to be connected to the grid, but this market is rapidly changing. The links below should get you started.
- Q: I want to plug my solar system battery bank into my transfer switch on my cabin when not using a generator. The transfer switch will handle 220 volt from my generator. How do I get a 220 volt inverter that runs 60 hz or do all of them run 50 hz.I see plenty of 20 volt 60 hz. I'm at the point of needing to order one and I'm not sure.
- Sun okorder
- Q: Can we cover up solar panels on our house with regular siding?
- Finding okorder /
- Q: I don't see much solar panels on people's houses where I live. I got a long time to go before doing so but I was planning on buying a few solar panels when I retire in the far future. In your opinion, is such an investment worth it? Would you buy them? I realize they are very expensive hence why I said when I retire. Thanks for your opinion
- I have a boat in a sunny position and four eighty watt panels. These will run my fridge television and a few LED's. I nonetheless need to run my engine for sizzling water and washing desktop. My Batteries only final a couple of years and are an actual affliction. I am going on the mains when i will be able to to get the batteries topped up. The panels are adequate if there's nothing else, they don't seem to be the answer to the way forward for power provide. There's additionally the ethical part of the feed in tariff. For the wealthy to load their electrical power bill onto the less good off just isn't desirable and those panels on the roof inform all of your neighbors that you are doing it. As a way to exhibit a grasping selfish attitude. If they're any just right why don't the vigour companies purchase them and shop shopping coal?
- Q: I have in mind a small solar panel that could be plugged into a wall socket. Do I need a converter or some kind of interference between the two power sources so there aren't any unpleasant explosions? I don't know much about this sort of thing so please be nice.
- The other responders have given partial information. The electricity in your house is 20 volts AC and the solar panel will produce DC voltage. If you plugged in the solar panel into the wall, the solar panel would be destroyed, possibly with disastrous results. If you connected the solar panel to a DC to AC inverter, there are also dangers. The solar panel unless very large will not produce enough power to make a lot of AC, for every amp of 20 volt AC, you require more than 0 Amps of DC voltage. So most small solar panels are used to trickle charge a 2 volt battery used in backup situation. The problem is that the house AC and the inverter AC have to be exactly in phase or again you have disastrous results. If they are exactly 80 degrees out of phase, the wires now are carrying 240 volts and you will burn out the inverter, and possibly cause a fire. There are systems that will synchronize an inverter to commercial power so that you can feed the power back to the grid, but these are more complicated. If you want to use the battery and solar panel to run some lights during power failures, then you can connect the light to the common terminals of a switch, but the switch must be a break before make switch, which means that when you throw the switch the common is disconnected from the one source before it is connected to another source. Most AC switches will do this, but make sure.
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12V Polycrystalline Solar Panels 250W with High Efficiency
- Ref Price:
-
- Loading Port:
- China main port
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 1000 watt
- Supply Capability:
- 1000000 watt/month
OKorder Service Pledge
OKorder Financial Service
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