250W Monocrystalline PV Solar Panel in China

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Shanghai
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TT OR LC
Min Order Qty:
1000 watt
Supply Capability:
20000 watt/month

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Item specifice:

Material: Monocrystalline Silicon Max. Power(W): 250 Number of Cells(pieces): 56
Size: 1560*990*40mm alluminum allyoed frame: mono pv cell EVA: Iron tempered glass

Product Description:

 

Quick Details

Place of Origin:

Hebei,China (Mainland)

Brand Name:

CNBM Solar

Model Number:

60cells 156mm poly

Specification:

Normal

Application:

Commercial

Output Voltage (V):

30V

Load Power (W):

250W

Solar Power (W):

250W

Work Time (h):

8 hours

Crystalline:

mono solar panel

Packaging & Delivery

Packaging Details:carton box and pallets
Delivery Detail:3 working days

Specifications

25 years warranty
Class-A Grade quality
EL test of each panel
Produced under automatic machines which bought from Germany

250W  Monocrystalline PV Solar Panel in China

 

250W  Monocrystalline PV Solar Panel in China

250W  Monocrystalline PV Solar Panel in China

250W  Monocrystalline PV Solar Panel in China

 

 

 

 

Advantages

We enjoy exclusive channel to get stock solar panels at more competitive price from Trina,Hanwha,Yingli,LDK,Suntech etc.

These panels are from tier 1 solar panel manufacturers,such as Trina,Hanwha,Yingli,LDK.They are assembled with all grade A materials,only problem is that they has slight appearance defect,but due to their strict quality control,even the negligible defect will lower its grade.so they put these panels into stock.

 

Quality

These panels adopt all grade A materials,such as solar cell,EVA, back sheet, junction box, glass,frame,connector etc.

They have same electrical performance with grade A solar panels,only difference is the negligible superficial defect.

 

Electrical Character

 

Solar cells :

Poly-Crysalline 156×156mm

60pcs.(6×10) ---3 bus bars

Max-power

245Wp

250Wp

255Wp

260Wp

265Wp

270Wp

Power Tollerance

0 to +6W

Voltage at Pmax (Vmp)

30.7V

30.9V

31.1V

31.3V

31.5V

31.7V

Current at Pmax(Imp)

7.98A

8.09A

8.17A

8.20A

8.31A

8.41A

Open-Circuit Voltage(Voc)

37.5V

37.7V

37.9V

38.2V

38.4V

38.7V

Short-Circuit Current(Isc)

8.58A

8.76A

8.87A

8.97A

8.99A

9.10A

Maximum system voltage(VDC)

1000(IEC), 600(UL)

Cell Efficiency

17.0%

17.3%

17.6%

17.6%

18.0%

18.3%

Moudule Efficiency

15.00%

15.40%

15.70%

16.00%

16.30%

16.60%

No. of Bypass Diodes (pcs.)

3

Max. Seriex Fues(A)

12A

Temperature coefficients of Pmax

-0.45%/ 

Temperature coefficients of Voc

-0.34%/ 

Temperature coefficients of Isc

0.05%/ 

Nominal Operating Cell Temperature

45±2

*STC Conditions (1000W/m*m ; 1.5 AM and 25 Cell temperature)

Mechanical Characteristics

Cable type,Cross-sectional area and Length

Φ=4m*m,L=1000±5mm

Type of Connector

Compatible type MC4

Dimension A×B×C

1640×992×50mm (64.57×39.06×1.77 inch)

Weight

19.6kg(43.1lb)

No.of Draining Holes In Frame

16

Construction

Glass :High Transmission ,Low Iron,Tempered 

Glass 3.2mm

Encapsulation : EVA

Back side : White

Junction Box ( protection degree )

IP 67

Frame 

Clear anodizod aluminum alloy type 6063T6 frame

Qualification Test Parameters

Dielectric Insulation Voltage 

6000V DC max

Operating Temperature 

-40to +85

Max load

5400 Pa

Hallstone Impact

25mm(1inch)at23mm/s(52mph)

Tire safety class

Class C

Packaging Configuration

Packaging Configuration

20pcs./box and 2pcs./box

Quantity of Big Box/Pallet

1 box/ pallet          1 boxes/pallet

Quantity of Small Box/Pallet

9 boxes/pallet

Loading Capacity

616pcs ./40'HQ  240pcs./20'GP

   

Our Service

Pre sale:

1.Our sales representative and engineer work together to answer your questions and offer solution for free

2.We choose the best product for you to make sure it worth its real value

3.We design the best solution with good perfomance for you,manwhile save every cent of your money.

After sale:

We provide 10 years Warranty for the product, 12 years warranty for 90% power production ,25 years warranty for 80% power production.

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Q:solar panel in a grid tied system?
That would depend on the panels themselves. There are many different specifications when it comes to panels, but if you wanted to be technical, just about any would give some impact - even if it were only a few cents.
Q:Mono-crystalline or poly-crystalline solar panel?
All solar photovoltaics drop in efficiencies with higher temperatures but it isn't the 45+ C you have to worry about but rather the heat from the sunlight striking the panels. There are hybrid systems which passes water in pipes attached to the back of the solar panels to cool the panels and preheat the water for solar thermal collectors. The difference between mono-crystalline and poly-crystalline are that mono-crystalline are more efficient and more costly to make.
Q:Charging batteries with a solar panel?
I have been using solar panels for over ten years never until recently bothered to use a charge controller, it depends really on how much power your batteries can hold how often they will be drained from use of the connected dc-ac inverters. While constant daylight charging at 8v 3.5a/hr is quite heavy it is not excessive, 2v lead acid battery chargers give a voltage output of appx 4.8v but the fluctuating output of a solar panel means you may well charge at 8v for some time but with occasional shade etc it will more likely average at 5v which I think is quite acceptable.
Q:What is a good solar panel to buy?
a cheap one that doesn't burn up
Q:Solar panel trouble?
Most solar panels convert the energy collect from the sun directly into usable DC current. So no, you do not need a capacitor to test a light if you are in sunlight. You will need a capacitor or rechargeable battery if you plan on testing the solar panel away from a light source after the capacitor or battery has charged. Solar panels cannot store electricity.
Q:Why are solar panels placed on the roof of houses?
The roof is the most popular location for panels, I'd imagine because: ) The space is not otherwise being used. Panels in the yard would take up play space, or shade the garden or lawn. 2) The roof is usually more free from shadows because it's high up. Something low to the ground could more easily be shaded by trees, fences, or nearby buildings. 3) The roof often has a built-in tilt that is more ideal for panels. Take a good look at your roof, especially if there is a south-facing side. The roof could be bigger than you think. Only 0% of our roof area is dedicated to solar panels, and that keeps up with our yearly electrical usage.
Q:Solar panel experiment ?
Acciona of Spain is actively conducting research in all sorts of alternative energy. I understand they have an experimental solar farm someplace in the desert southwest of the U.S. that is made up of 283,000 panels. I don't know the size of the panels or anything else about the project other than that. 50 years ago it would have been the U.S. conducting leading research in solar energy-especially in the U.S. Southwest.
Q:Good Idea To Install A Solar Power Energy On A Restaurant?
To begin with, you need to know how much power you need and then decide from there just how much you can or will have to pay to get that money back. Find a couple companies that do this kind of work to give you some figures to work with
Q:can you hand make a solar panel?
Sorry, okorder.com/
Q:Solar panels single crystal and double crystal in the rain which is easy to use
From the cost of production, than the monocrystalline silicon solar cells to be cheaper, easy to manufacture materials, saving power consumption, the total cost of production is low, so get a lot of development. In addition, the polysilicon solar cell life than monocrystalline silicon solar cells shorter. From the performance and price ratio, monocrystalline silicon solar cells also slightly better.

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