• Solar Panels 250 Watts - Good Quality and Low Price 15W System 1
  • Solar Panels 250 Watts - Good Quality and Low Price 15W System 2
Solar Panels 250 Watts - Good Quality and Low Price 15W

Solar Panels 250 Watts - Good Quality and Low Price 15W

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Loading Port:
Shanghai
Payment Terms:
TT OR LC
Min Order Qty:
7000 watt
Supply Capability:
100000000 watt/month

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SOLAR PANELS GOOD QUALITY AND LOW PRICE-15W

Specifications

solar panels from 5W--300W, made of TAIWAN MOTECH brand cells,with CO in TAIWAN,Mono and Poly with VDE,IEC,CSA,UL,CE,ISO.

We import solar cells from Taiwan Motech brand, with this CO in taiwan and our CSA certification,we can still sell goods to Anti-dumping areas like USA. Our main products are solar panels, off grid and on grid solar home systems , solar street lighting systems, solar water heating system,solar pump,solar attic fan, solar DC LED lights and solar DC refrigerators.

Certificates : ISO, CE, VDE IEC, MCS, CSA-UL, CEC.
Delivery time: sample 10days, order 25-30days.
Sample: charged.
Payment term: T/T 30% as deposit, 70% before shipment. Or irrevocable L/C at sight.
Trade term: FOB Shenzhen or CIF destination seaport or Airport.

Characteristics:

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.
IX.The certificate issued by international authority: UL, TUV, IEC, VDE, CE.
 

Quality and Safety

1. Rigorous quality control meets the highest international standards.

2. High-transmissivity low-iron tempered glass, strong aluminium frame.

3. Using UV-resistant silicon.

4. IS09001/14001/CE/TUV/UL  

Warranties

1. 10 years limited product warranty

2. 15 years at 90% of the minimal rated power output

3. 25 years at 80% of the minimal rated power output

Technical date :

ITEM NO.:

Poly 156*156 cell ,60pcs . Power range from   230Wp-260Wp

Maximum Power(W)

230

235

240

245

250

255

260

Optimum Power Voltage(Vmp)

29.4

29.5

29.7

30.1

30.3

30.5

30.7

Optimum Operatige Current(Imp)

7.83

7.97

8.08

8.14

8.25

8.37

8.48

Open Circuit Voltage(Voc)

36.7

36.8

36.9

37.1

37.3

37.5

37.7

Short Circuit Current(Isc)

8.52

8.59

8.62

8.65

8.69

8.73

8.78

Solar Cell:

156*156 Poly

Number of Cell(pcs)

6*10

Name of Solar Cells

Polycrystalline Cell

Size of Module(mm)

1650*992*40/45/50

Cable & Connector Type

Pass the TUV Certificate

Frame(Material Corners,etc.)

Aluminium-alloy

Back sheet

TPT

Weight Per Piece(KG)

19.5KG

FF (%)

70-76%

Junction Box Type

Pass the TUV Certificate

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

±3%, or 0-3%

Front Glass Thickness(mm)

3.2

Temperature Coefficients of Isc(%)

+0.04

Temperature Coefficients of Voc(%)

-0.38

Temperature Coefficients of Pm(%)

-0.47

Temperature Coefficients of Im(%)

+0.04

Temperature Coefficients of Vm(%)

-0.38

Temperature Range

-40°C to +85°C

Surface Maximum Load Capacity

5400Pa

Allowable Hail Load

23m/s ,7.53g

Bypass Diode Rating(A)

12

Warranty

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

Standard Test Conditions

AM1.5   1000W/ 25 +/-2°C

Packing

carton or pallet

1*20'

14 Pallets / 316pcs

1*40'STD

25 Pallets / 700pcs

    Currently the best achieved sunlight conversion rate (solar module efficiency) is around 21.5% in new commercial products typically lower than the efficiencies of their cells in isolation. The most efficient mass-produced solar modules[disputed – discuss] have power density values of up to 175 W/m2 (16.22 W/ft2).Research by Imperial College, London has shown that the efficiency of a solar panel can be improved by studding the light-receiving semiconductor surface with aluminum nanocylinders similar to the ridges on Lego blocks. The scattered light then travels along a longer path in the semiconductor which means that more photons can be absorbed and converted into current. Although these nanocylinders have been used previously (aluminum was preceded by gold and silver), the light scattering occurred in the near infrared region and visible light was absorbed strongly. Aluminum was found to have absorbed the ultraviolet part of the spectrum, while the visible and near infrared parts of the spectrum were found to be scattered by the aluminum surface. This, the research argued, could bring down the cost significantly and improve the efficiency as aluminum is more abundant and less costly than gold and silver. The research also noted that the increase in current makes thinner film solar panels technically feasible without "compromising power conversion efficiencies, thus reducing material consumption".

 

FAQ

I..Will you focus on the safety of the goods during transportation?

Yes, Safety of the cargo is the primary element that we would consider on transportation.

II..How would guarantee the quality will meet the requirements of your clients?

Before shipment, we will have inspection for each batch of goods.

III..What certificates do you have?

IEC,UL,TUV,CSA,etc.

IV..Can you do OEM according to clients’ requirements?

Yes, we have our own brand while we can provide OEM service.

 

SOLAR PANELS GOOD QUALITY AND LOW PRICE-15W


Q: Can solar panels be used for powering traffic lights?
Yes, solar panels can be used to power traffic lights. They are a reliable and sustainable energy source that can effectively generate electricity to operate the lights.
Q: Are you a Solar Panel Specialist/Genius/Enthusiast?
Yes and No. I'm hardly a 'genius' or 'specialist' but I have built a couple solar panels on my own. They're actually pretty easy to construct and you can find all of the materials at your local hardware store. Each panel cost me about $60 to make. Solar technology is jumping by leaps and bounds, becoming more and more efficient :photo voltaic cells, for example. Solar energy is a viable energy source, that's for certain.
Q: This is for my science project and i cannot figure it outWe assumed that blue light shining on a solar panel would give off the higher volt reading because it has the shortest wavelength and the highest energy, but it was actually the lowest. Why does this happen? Im very confused And cant find the answer anywhere.... ,thank you!!
Likely there will be at least a small change in the no load volts. The short circuit current will be different and the watts output will be different. Connect an amp- meter to the panel with or without a to 00 ohm resistor in series with the amp-meter and you will see different amounts of current for different colors. You do however need to adjust for the amount of light falling on your solar panel. Possibly you can use a exposure meter or a bolo meter as reference. Neil
Q: i am working on a project which requires small solar panels. i am looking for ones about 3X4. is there any way i could get these? and where?
I bought mine from OKorder. They were from a top seller and arrived in better condition than I expected. They are 3 X 6 and have an output of .5 volts .7 watts. You will need other items as well blocking diodes, charge controllers as well as tabbing ribbon and buss wire. Learn about other components you may need at the website below. There is also an OKorder link at the bottom of the page.
Q: Installing solar panels requires a big initial investment. Before I make this investment I want to check to see if the money I will save by installing solar panels will actually pay for this investment, in the long run. To calculate my savings, we should consider the area (square feet) I currently have available to install solar panels. Look at the available sunlight and its intensity in my state each month of the year. Based on this data estimate how much energy my solar panel will generate. Then compare that with how much energy (kWh) I currently consume based on my electricity bill.
SIMPLE, EASY WAY TO KNOW EXACTLY HOW MUCH IT WILL COST. Everyone has great answers, but here is a website that will do all the thinking for you. Go to: mercator.nrel /imby All you have to do is to locate your property on the map, draw the outline of the solar array, and then click Run. It will estimate: - Cost - Available Rebates - Tax Credits - Estimated payback This program is operated by the National Renewable Energy Laboratory. Good luck!
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 panels produce low voltage direct current electricity. To be used in a home that electricity must be stored in batteries and converted to 20-240 volts 60 hertz AC (alternating current). And its frequency must be synchronized to the electricity supplied by the power company. A 00 watt solar panel produces 00 watts of power, enough to power one 00 watt light bulb. To generate enough power to power a home, the solar panel must be capable of producing at least 500 to 2000 watts per hour (.5/2.0 KW/hrs) And you're quite correct, it's an expensive proposition to install a solar panel system... and it should be installed by experts.
Q: I am thinking of buying a 3w solar panel called the nomad 3 from goal zero. I want to charge 35Wh lithum batteries. I have heard that lithium batteries are temperatmental and without a regulated current things could get ugly.I have a couple of chargers that came with the batteries. One is a 2v car charger and another is 0-240v wall charger.Goal zero sell something called a sherpa 50, which contains rechargeable batteries and an inverster and I think they suggest that I charge my batteries indirectly through the Sherpa 50, however, the sherpa 50 is expensive at $200, and seems to have a small capacity, in addition to being extra weight that i don`t want to carry.Electronics geniuses, you are my only hope.
If you want to energy each USB ports on the identical times, It could not be possibble. Your sun panel best provides 2.24 Watts (20V * 0.2A) of energy and you ought to deliver 2.5 Watts (5V * 0.5A) to the ports. Subtracting any losses out of your regulator(s), you are going to be method over your vigor finances. You'll want extra of a sun panel or less of a load.
Q: What is the lifespan of a solar panel?
The lifespan of a solar panel typically ranges from 25 to 30 years, depending on various factors such as the quality of the panel, maintenance, and environmental conditions.
Q: Do solar panels require building permits?
Yes, solar panels typically require building permits. The permitting process ensures that the installation complies with local building codes, electrical regulations, and safety standards. It also ensures that the structure can support the added weight and that the panels are properly installed to maximize efficiency and durability.
Q: I am currently building a house, iv designed it to be as self sustainable as possible, I'm in the process of installing solar panels but as I'm ordering online I was hoping someone here could tell me how many I would need to completely run a 5 bedroom home, just standard household appliances such as fridge and freezers, plasma tvs computers and of course lighting, various things like that, also I'll need power storage as well, some type of large rechargeable battery, any help would be great.
How image voltaic Cells artwork by utilizing Scott Aldous interior this textual content a million. creation to How image voltaic Cells artwork 2. Photovoltaic Cells: replacing Photons to Electrons 3. How Silicon Makes a image voltaic cellular 4. Anatomy of a image voltaic cellular 5. power Loss in a image voltaic cellular 6. image voltaic-powering a house 7. fixing image voltaic-skill themes 8. image voltaic-skill execs and Cons 9. a lot extra advice 0. See all actual technology articles you've likely considered calculators which have image voltaic cells -- calculators that by no skill favor batteries, and from time to time do not actually have an off button. see you later as you've adequate difficulty-free, they look to artwork continuously. you may have considered larger image voltaic panels -- on emergency street indicators or call packing bins, on buoys, even in parking a lot to skill light fixtures. besides the actual shown reality that those larger panels are not so user-friendly as image voltaic powered calculators, they are accessible, and by no skill that frustrating to p.c. out in case you recognize the position to look. There are image voltaic cellular arrays on satellites, the position they are used to skill the electric powered structures. you've likely also been listening to about the image voltaic revolution for the perfect two decades -- the concept quicker or later we can all use free electrical energy from the solar. it really is a seductive promise: On a brilliant, sunny day, the solar shines about a million,000 watts of power in conserving with sq. meter of the planet's floor, and if shall we collect all of that power shall we absolutely skill our homes and places of artwork for free.

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