250w/300w Poly Solar Panels stocks in Long Beach
- Ref Price:
-
- Loading Port:
- China main port
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 26 pc
- Supply Capability:
- 1000000 pc/month
OKorder Service Pledge
Quality Product, Order Online Tracking, Timely Delivery
OKorder Financial Service
Credit Rating, Credit Services, Credit Purchasing
You Might Also Like
Characteristics of Polycrystalline Solar Panel
I Solar Cell : High efficiency crystalline solar cell. Even if under the weak light, the solar module can produce maximum power output.
II Tempered glass (toughened glass): Anti-reflecting coating and high transmission rate glass increase the power output and mechanical strength of solar module.
III EVA and TPT: Using high quality EVA and TPT to prevent destroying and water.
IV AI frame: Without screw, corner connection. 6 holes on the frame can be installed easily.
V Junction box: Multi function junction box with water proof.
VI Long lifetime: ≥25 years; Less power decrease.
VII Good performance of preventing from atrocious weather such as wind and hails.
VIII Resisting moisture and etching effectively, not effected by geology. .
Standard Test Conditions of Polycrystalline Solar Panel
The opto-electrical specifications shown below are stabilized values being measured at Standard Test Conditions of multicrystalline silicon Solar Panel, Irradiance: 1000W/m2, Spectrum: AM1.5 at 25°C, The info below is subject to manufacturing tolerances. Where appropriate minutes of measurement are available and are used for the dimensioning of the installation.
Currently,We have 250w-300w solar panel stocks in Both West and East Coasts made in Vietnam,India,Korea,Malaysia and Japan.Meanwhile,we also arrange production line in Wisconsin,USA.If you're interested,please contact us soon.
Thanks for your time.
- Q:I have a cabin in the woods and need more light. I do have enough sun but I was wondering how or where do I get a solar panel to lead to a power outlet? In a perfect world I would like to get a solar panel with a connecting wire to an outlet or something so I could power a small TV. I know its hard enough but can I get that pre-made? Or even lastly should I look at wind power consider I would like this to be under $500? Thank you for putting up with this bundle of questions.
- Wow. I couldn't tell you how much something like that would cost, but I would expect it to be pretty high. I don't think you are going to find a panel out there that is going to pump out enough juice to provide 0ac. It would involve a battery system and a DC to AC power inverter. You would have to let the system charge for a time and then you would be able to use if for a little while.
- Q:when we say a solar panel has 20% efficiency, do we mean that it converts 20% of sunlight reaching it into electricity or that it converts 20% of visible light(which is only 7% of sunlight) into electricity?
- Photo-voltaic solar cells use the visible light range (photons) for the conversion of sun's rays to electrical energy. The potential of solar radiation is ,353 Watts per square meter, but that is mostly a measure of heat, or infrared radiation. The visible light is actually a small portion of the spectrum. You have struck on a problem associated with photo-voltaic cells. Infrared radiation acts to heat up p-v cells (heat stress), causing them to be much less efficient. It would be interesting to see a hybrid p-v panel that is cooled with fluid or air running through it. This would increase efficiency of the p-v process while providing a heating source. This in turn could be used directly for heating or for production of electricity through a generator system.
- Q:260 watt solar panels on an rv?
- It depends on the power you need. There should be a controller between the battery and the solar pv panels.
- Q:Can solar panels be used to power a university?
- Yes, solar panels can be used to power a university. Solar panels harness the energy from the sun and convert it into electricity, which can then be used to power various facilities and operations within a university campus. By installing a sufficient number of solar panels, universities can significantly reduce their reliance on traditional energy sources, lower their carbon footprint, and potentially save on energy costs in the long run.
- Q:i was looking into making solar panels to reduce my electric bill, but i need to know how to actually hook it up.
- most of the listings are there to get you to send 'em money. some promise a refund if they don't work. good luck getting your money back. it's not going to happen. last, the inverter, and control to feed power back into the grid are expensive. the utility gets to control what you can use, and most often you have to buy it from them. in Calif, the utility has an interest in good solar installations. they provide power during the time of peak demand, so the utility does not have to build/buy the last, most expensive kilowatt. however, (A) any installation that will be at all useful is large, and expensive, and (B) as with all electronics, next year will be better. i'll probably do it. but not yet.
- Q:wondering if i should get them?? not sure if its worth leasing? also anyone know anything about solar city?
- Solar panels can be worth it but it is more complex issue than that. It will always be more efficient to add insulation, change to high efficiency lights, more efficient appliances, etc, first to try and save energy. However, if you have done all of that and you have a south facing area whee they could be mounted and you live in an area with a decent amount of sun, then they could pay off. I have no experience myself with Solar City, but I know from word of mouth they are good. I can recommend from first hand experience REC Solar. I have 20 of their panels on my south facing roof. They have a leasing deal or a deal where you buy the system outright (which is what I did) but for less than you might think. I'd be glad to help you if you had any other questions.
- Q:Are solar panels safe?
- Yes, solar panels are safe. They are designed and installed with safety measures in place to ensure their proper functioning and to minimize any potential risks.
- Q:The first solar panel that creates energy from UV rays... who created it
- The first photovoltaic cell was developed at Bell Labs in 954. The team included G.L. Pearson, C.S. Fuller, and D.M. Chapin. A panel is composed of many cells. They respond to a wide range of wavelengths, not just UV.
- Q:Composition and function of solar panels
- Among them, for the electronic grade polysilicon accounted for about 55%, solar grade polysilicon accounted for 45%, with the rapid development of photovoltaic industry, solar cell demand for polysilicon growth rate higher than the development of semiconductor polysilicon, is expected to 2008 solar polysilicon
- Q:I know the basics of how solar panels work. Solar panels convert sunlight into DC electricity which is stored in batteries which would need to be run through an inverter to convert it to household AC. But is there a way for the appliances to use the solar panels electricity FIRST and any additional power from the grid? Is that how it works or do they only run specific devices(water heater, pool pump, etc)?
- The batteries are inefficient and expensive. Lead acid batteries are 95% efficient at discharging but only 50% efficient at charging so you need double your power consumption in solar panels for a battery based system. The big breakthrough was in grid tied inverters, these can be connected to the grid and synchronizes it's frequency to the grid thereby selling the solar power to the grid. The house electric system remains on the grid so you buy back the power when you need it effectively turning the grid into a 00% efficient battery by accounting. This saves you the cost of the batteries and the inefficiencies of the batteries halving the number of panels that you need. Grid tied solar can be a third the price of a comparable battery based system. The utilities will usually still have a service fee and may have limitations such as you can only sell the amount of power that you use and the sale can only be credits versus future energy purchases. There will also be the inefficiencies of the grid tied inverter but it would be at full load which is when it is the most efficient often 95% whereas the partial load use of a battery based system operates the inverter at an average of 65% efficiency which is why DC appliances are highly recommended for a battery based system.
1. Manufacturer Overview |
|
|---|---|
| Location | |
| Year Established | |
| Annual Output Value | |
| Main Markets | |
| Company Certifications | |
2. Manufacturer Certificates |
|
|---|---|
| a) Certification Name | |
| Range | |
| Reference | |
| Validity Period | |
3. Manufacturer Capability |
|
|---|---|
| a)Trade Capacity | |
| Nearest Port | |
| Export Percentage | |
| No.of Employees in Trade Department | |
| Language Spoken: | |
| b)Factory Information | |
| Factory Size: | |
| No. of Production Lines | |
| Contract Manufacturing | |
| Product Price Range | |
Send your message to us
250w/300w Poly Solar Panels stocks in Long Beach
- Ref Price:
-
- Loading Port:
- China main port
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 26 pc
- Supply Capability:
- 1000000 pc/month
OKorder Service Pledge
Quality Product, Order Online Tracking, Timely Delivery
OKorder Financial Service
Credit Rating, Credit Services, Credit Purchasing
Similar products
New products
Hot products
Related keywords
