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Hangzhou Dongke New Energy Technology Co.,Ltd
Hangzhou Dongke New Energy Technology Co.,Ltd  

Gold Index: 69874

You are here: home  > Solar Cell Panel POLY  > 250w poly solar panel  > B Grade 250w poly solar panel with low price

B Grade 250w poly solar panel with low price 

Qty (Other,watt/watts) Unit Price (0.45~0.6 USD)
1000 0.45
1000 + 0.6
Trade Term: FOB,CIF 
Payment Terms: T/T,WU 
Place of Origin: Zhejiang, China (Mainland) 
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Product Detail

Means of Transport: Ocean,Air
Packing: 2pcs in one carton,then pac...
Application: Solar Thermal
Pipe Material: Glass
250w solar panel: 250w poly solar panel
Size: 1950*990*40
Cell size: 156*156mm
Frame: Anodized Aluninium Alloy
Front Glass: 3.2mm high transmissiontemp...
Production Capacity: 300000 watt/watts per Month
Delivery Date: within 15 days to 20days af...
Type: Flat Panel
Brand Name: Dongke
Material: Polycrystalline Silicon
Number of Cells: 6*12
Max. Power: 250W
warranty: 25 years
Tolerance: ±3%

1.Good quality 250w poly solar panel with cheap price
2.modifying energy consumption layout ;
3.securing power source ,improving ;

Product Description 

Good quality 250w poly solar panel with low price

 250w poly solar panel with low price

  250w poly solar panel with low price

 250w poly solar panel with low price

 High quality materials

The ions injection technology are applied in the manufacturer process of high efficiency cells .

The imported high quality EVA and back sheet are of excellent performance on UV resistance and ageing resistance .

Toughened and coated glassed and electrophoretic frames selected from Chinese famous brand are sturdy and durable .

 Auto production and process control

 Strict Testing & Inspection For Cell & Module 

The whole PV industry Chain

Material

1.Solar cell-conversion efficiency of solar cell: 24%-17%

2.Front glass-3.2mm, high transmission, low iron, tempered glass

3.EVA-excellent anti-aging resistance 

4.TPT-hot seal made of flame resistance

5.Flame-reinfored anodixed aluminum flame

6.Junction box-Ip54 rated and Ip65 rated, high quality, with diode protection

Anti-reflective coating glass
• Nanometer technology
• Increase light transmission by up to 2% in normal irradiance
• Energy output increased up to 4% in the module efficiency
• Perfect coating uniformity
• Coating lifetime over 25 year
• Easy cleaning 

Maximum power (Wp) 

250wp

Maximum power voltage (V) 

31.18

Maximum power current (A) 

8.02

Open circuit voltage (V) 

37.44

Short circuit current (A)

9.02

Number of cells (Pcs) 

60

Size of module (mm)

1950*990*40

Brand Name of Solar Cells 

No

Maximum system voltage (V) 

1000

Temperature coefficients of Isc (%)

0.065+/-0.015%/°C

Temperature coefficients of Voc (%)

-(2.23+/-0.1)mv/ °C

Temperature coefficients of Pm (%)

-(0.5+-0.05)/ °C

Temperature coefficients of Im (%)

+0.1/ °C

Temperature coefficients of Vm (%)

-0.38/ °C

Temperature Range 

-40°C~+85°C

Tolerance Wattage (e.g. +/-5%) 

+/-3%

Surface Maximum Load Capacity

60m/s(200kg/sq.m)

Allowable Hail Load 

steel ball fall down from 1m height

Weight per piece (kg) 

18.5

Length of Cables (mm) 

900

Cell Efficiency (%) 

>17.9%

Module Efficiency (%) 

>15.27%

Output tolerance (%) 

+/-3%

Frame (Material, Corners, etc.)

Aluminum

Standard Test Conditions

 AM1.5  1000w/m 25°C

Warranty 

5 years product warranty

FF (%) 

76.48%

Packing

2PCS/ CTN

Unit Price 

0.5-0.6USD/WP

Payment

30% TT in advance , the balanced after the B/L copy .

 Application    

Products picture:

50w anti-reflective tempered solar panel glass

Packaging & Shipping

Our Services   

 1.Reply your inquiry in 24 working hours.

 2.Customized design is avaliable ,OEM is welcome .

 3.Delivery the goods to our customer all over the world with speed and precision.

 4.Offer customer the products with good quality and competitive price.


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Tel: 86-571-58986600
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Company Info

Hangzhou Dongke New Energy Technology Co.,Ltd [China (Mainland)]


Business Type:Manufacturer, Trading Company, Distributor/Wholesaler
City: Hangzhou
Province/State: Zhejiang
Country/Region: China (Mainland)

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