• Cnn Solar Panels 250watt Crystalline Solar Panels for Rooftop Systems System 1
  • Cnn Solar Panels 250watt Crystalline Solar Panels for Rooftop Systems System 2
  • Cnn Solar Panels 250watt Crystalline Solar Panels for Rooftop Systems System 3
  • Cnn Solar Panels 250watt Crystalline Solar Panels for Rooftop Systems System 4
  • Cnn Solar Panels 250watt Crystalline Solar Panels for Rooftop Systems System 5
Cnn Solar Panels 250watt Crystalline Solar Panels for Rooftop Systems

Cnn Solar Panels 250watt Crystalline Solar Panels for Rooftop Systems

Ref Price:
get latest price
Loading Port:
Tianjin
Payment Terms:
TT OR LC
Min Order Qty:
78000 watt
Supply Capability:
10000000 watt/month

Add to My Favorites

Follow us:


OKorder Service Pledge

Quality Product, Order Online Tracking, Timely Delivery

OKorder Financial Service

Credit Rating, Credit Services, Credit Purchasing

CNBM 250watt Crystalline Solar Panels for Rooftop Systems

250watt Crystalline Solar Panels for Rooftop Systems

Specifications:


Solar panel refers either to a photovoltaic (PV) module, a solar hot water panel, or to a set of solar photovoltaic modules electrically connected and mounted on a supporting structure. A PV module is a packaged, connected assembly of solar cells. Solar panels can be used as a component of a larger photovoltaic system to generate and supply electricity in commercial and residential applications. Each module is rated by its DC output power under standard test conditions, and typically ranges from 100 to 320 watts. The efficiency of a module determines the area of a module given the same rated output – an 8% efficient 230 watt module will have twice the area of a 16% efficient 230 watt module. There are a few solar panels available that are exceeding 19% efficiency. A single solar module can produce only a limited amount of power; most installations contain multiple modules. A photovoltaic system typically includes a panel or an array of solar modules, an inverter, and sometimes a battery and/or solar tracker and interconnection wiring.


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

 

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.


Q: What is the impact of roof orientation on solar panels' performance?
The impact of roof orientation on solar panels' performance is significant. The orientation of the roof determines the amount of sunlight the panels receive throughout the day, affecting their efficiency and energy output. Ideally, solar panels should be installed facing south to maximize exposure to sunlight. East and west-facing orientations can still generate energy but at reduced levels. North-facing roofs receive the least amount of sunlight and would result in the lowest solar panel performance.
Q: Got a quote for about $K today for solar panels to save me about $00 a month on my electric bill. I was just wondering if anyone had successfully bought and installed their own and how it worked for you?
i do no longer yet i comprehend lots on the venture. e mail for information. a great number of ppl set up them yet just to cover there electric powered warmth/air. It saves them money. i comprehend lots of people who've tiny ones exterior there window to means the lights fixtures in that one room. Its no longer an eye fixed sore the two. i stay in Canada.
Q: Can someone tell me if I can run a air conditioner off solar panel?I have a ET-P65420 20Wp solar panel. What do I need to make it work? I am told I will need a Enphase Energy Microinverter M20. Is that true? I am looking to run a 5000 to 8000btu air conditioner to a max of 0000btu air conditioner. I need to cool a 0x30 space. One time I read, I need total watts of panel to match total watts of air conditioner. Then I read, that I do not and can run more watts then what the panel is depending on the inverter and batteries.Can someone tell me what and how to make this work please? More panes or inverter and batteries?
Solar Panels Air Conditioner
Q: How much is the cost of solar panels including installation for my home so that I can have low monthly power bills.
How much it costs, and whether it is worth it, really depends on where you live, and how much power you use. A very conservative house like ours, in an ideal area, could get by with a system that costs $5000 to $7500 net after incentives like tax credits. A house that uses a lot of energy, like a massive one with air conditioning, could need an array costing ten times that much. The only way to even get close on an estimate is to call a local solar installer for a quote. If there are no local solar installers, that's a clue that your area may not be very good for solar. Consider solar hot water also. That's generally cheaper and pays back faster than solar electric.
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.
A typical solar panel will deliver 50 watts of power in the form of 24 volts DC. You need 20 volts AC. So here is what it takes: Since you will need at least 200 watts to do a small TV, you need four solar panels, and a solar controller. Then you need a 24 volt solar type battery to load the output of the panels. Next you need an inverter. This is a device that changes 24 volts DC into 20 volts AC, which you can wire to a standard outlet for the TV set. Solar panels cost around $6 per watt of power. 200 X $6 = $200 Solar Controller will cost around $50 The battery will cost around $00 The inverter will cost around $200 You could get by with less than 200 watts of solar panels if you just let it charge the battery all day and only use the TV for an hour or two in the evening with the TV running on the inverter which is powered by the battery. The link is for a similar system ready to go. Wind is not a viable option.
Q: I'm looking for some advice on hot water solar panels. I'm trying to save some money on electricity. A neighbor has been suggesting solar powered equipment for some time now, and I think he's right. It does save quite a bit of money in the long run. They're kind of expensive though, so I'm looking for cheaper alternatives.
Solar Power is great. I installed it myself about 2 years ago, and you really do notice the change within the first couple months. Building it yourself is actually pretty tricky without the right resources. Some of the guides don't have enough detailed information that you need when you start putting the project together. I was having a lot of trouble until I stumbled upon a site that was offering some great resources for solar DIY projects. I went ahead and added it to the sources section below. It's great and has everything you would need for putting your own solar projects together, including hot water solar panels. Hope this helps!
Q: Can solar panels be used in areas with high levels of radiofrequency interference?
Yes, solar panels can be used in areas with high levels of radiofrequency interference. However, it is important to note that radiofrequency interference may affect the performance of solar panels and reduce their efficiency. Proper shielding and grounding techniques can be employed to minimize the impact of radiofrequency interference on solar panel operations.
Q: Can solar panels be installed on historical landmarks or monuments?
Yes, solar panels can be installed on historical landmarks or monuments, but it requires careful consideration and planning to ensure that the installation does not compromise the historical integrity or aesthetic value of the site.
Q: Can solar panels be installed on a warehouse or industrial facility?
Yes, solar panels can be installed on a warehouse or industrial facility. In fact, these types of large commercial buildings often have spacious rooftops that are ideal for hosting solar panels. Installing solar panels on warehouses and industrial facilities can help reduce electricity costs, generate clean energy, and contribute to sustainability efforts.
Q: Can solar panels be used in areas prone to hurricanes?
Yes, solar panels can be used in areas prone to hurricanes. However, it is important to ensure that the panels are properly installed and designed to withstand high wind speeds. Reinforcements, such as additional framing or anchoring systems, can be used to make the panels more resilient to hurricane conditions. Additionally, regular maintenance and inspections are necessary to ensure their stability and functionality.

Send your message to us

This is not what you are looking for? Post Buying Request

Similar products

Hot products


Hot Searches

Related keywords