• Consumer Reports Recommended Polycrystalline Solar Panels for 25kw Rooftop Systems Made in China System 1
  • Consumer Reports Recommended Polycrystalline Solar Panels for 25kw Rooftop Systems Made in China System 2
  • Consumer Reports Recommended Polycrystalline Solar Panels for 25kw Rooftop Systems Made in China System 3
  • Consumer Reports Recommended Polycrystalline Solar Panels for 25kw Rooftop Systems Made in China System 4
  • Consumer Reports Recommended Polycrystalline Solar Panels for 25kw Rooftop Systems Made in China System 5
Consumer Reports Recommended Polycrystalline Solar Panels for 25kw Rooftop Systems Made in China

Consumer Reports Recommended Polycrystalline Solar Panels for 25kw Rooftop Systems Made in China

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Loading Port:
Tianjin
Payment Terms:
TT OR LC
Min Order Qty:
78000 watt
Supply Capability:
10000000 watt/month

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CNBM Polycrystalline Solar Panels for 25kw Rooftop Systems Made in China


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

 

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.

Polycrystalline Solar Panels for 25kw Rooftop Systems Made in China

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.


Q: Can solar panels be used in space?
Yes, solar panels can be used in space. In fact, they are commonly used to power satellites and spacecraft as they can efficiently convert sunlight into electricity even in the absence of an atmosphere.
Q: Can solar panels be used for powering a manufacturing facility?
Yes, solar panels can be used to power a manufacturing facility. Solar energy can be converted into electricity, which can then be used to power various processes and equipment in a manufacturing facility. This can help reduce reliance on traditional energy sources and promote sustainability. However, the feasibility and capacity of solar power for a manufacturing facility would depend on factors such as the facility's energy requirements, available space for solar panel installation, and local sunlight conditions.
Q: I want to install a solar panel on my car. I want to know that how much energy can be generated by a panel of size 4 foot by 6 foot. and the cost of installation.
A little more than 0 watts per square foot, so that size panel would generate 250 watts under ideal conditions, which is noon on a sunny but not too hot day, near the equator. That's about /3 horsepower, or the same power as a man working hard. That is larger than needed to keep the battery of the car charged, unless you plan to run a laptop or something off it at night. The power is also too small to power the car for driving. If it's an electric car, you could get maybe another 2 miles per day out of the car, again, under ideal conditions. An RV store might have an idea of how much installation would cost. They would be accustomed to solar panels for RV's, but probably not small cars. A panel of that size would cost perhaps $500-800 just for the panel.
Q: Do solar panels work during a power outage?
No, solar panels do not work during a power outage unless they are connected to a battery storage system.
Q: Hi! I bought a Coleman 2 vdc cooler that pulls 9 amps. What size solar panel and amp-hour battery do I need? I only open it 3 times a day. It will hold about 3 gals of milk.
If it pulls 9 amps continuously, that's 08 watts/hour or about 2.5 kwh/day. If it only pulls half that (does it cycle?) it's about .2 kwh/day. You only want to drain a lead-acid battery 50% or so, so you'll want a 5 or 2.5 kwh battery pack. A typical setup for the 5 kwh would be two L-6 batteries in series, and for the 2.5 kwh you could use 2 T-05 batteries in series. This does not account for days of cloud. If you regularly have cloudy days, size the battery pack for two or three days of use with no input (2-3 x the sizes given above). To charge them, you typically want panels that will charge your battery at least 5% of its capacity per hour (C/20). For 2 volt nominal panels that's 0 amps for the T-05 or 20 amps for the L-6 batteries. It's good to have more than that for battery life (it cuts down on what's called stratification), so you'll want probably 50-200 watts of panels for the T-05 and 300-400 for the L-6. You'll also need a charge controller. Peltier coolers are very inefficient. You'll save money by using a regular mini-fridge and an inverter. Most mini-fridges only draw 50 watts or so, so you're talking 600 watt-hours for a 50% duty cycle. This means two T-05 batteries will give you two days of use and you'll only need 20-50 watts of panel. DK
Q: Can solar panels be used in areas with high levels of seismic vibrations?
Yes, solar panels can be used in areas with high levels of seismic vibrations. However, it is crucial to ensure that the solar panel installations are engineered and constructed to withstand the potential impact of seismic activity. Proper structural design, adequate mounting systems, and appropriate anchoring techniques can help mitigate the risks associated with earthquakes or other seismic events. Additionally, regular inspections and maintenance can help identify and address any damages caused by seismic vibrations to ensure the continued functionality of the solar panels.
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: How do solar panels impact the energy independence of a region?
Solar panels can greatly enhance the energy independence of a region by providing a clean and renewable source of electricity. By harnessing the power of the sun, solar panels reduce the dependence on non-renewable energy sources such as fossil fuels. This reduces the need for importing energy from other regions, thus enhancing the region's energy independence. Additionally, solar panels can be installed on rooftops and other available spaces, allowing individuals and communities to generate their own electricity and become less reliant on the traditional energy grid. Overall, solar panels contribute to a more sustainable and self-sufficient energy future for the region.
Q: Can solar panels be installed on a commercial building?
Yes, solar panels can definitely be installed on a commercial building. In fact, many businesses are increasingly adopting solar energy to reduce their carbon footprint, save on electricity bills, and take advantage of various incentives and tax credits available for renewable energy installations. Commercial buildings often have ample roof space and large surface areas, making them ideal for the installation of solar panels. Additionally, advancements in solar technology and the availability of flexible mounting options make it easier to integrate solar panels into commercial building designs.
Q: Do solar panels increase property value?
Yes, solar panels can increase property value. Studies have shown that homes with solar panels tend to sell for higher prices compared to similar homes without them. The energy cost savings, environmental benefits, and potential tax incentives associated with solar panels make them an attractive feature for potential buyers, ultimately boosting the property's value.

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