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250w poly solar panel

0.5~0.65 USD
Min. Order: 1000 watt/watts
Trade Term: FOB
Payment Terms: L/C, T/T, WU
Supply Ability: 300000 watt/watts per Month
Place of Origin: Zhejiang

Company Profile

Location: Hangzhou, Zhejiang, China (Mainland)
Business Type: Manufacturer, Trading Company, Distributor/Wholesaler

Product Detail

Model No.: dk-190
Means of Transport: Ocean
Application: Solar Thermal
Type: Flat Panel
Pipe Material: Glass
Brand Name: Dongke
250w solar panel glass: anti-reflective solar panel
Material: Polycrystalline Silicon
Size: 1950*990*50
Number of Cells: 6*12
Cell size: 156*156mm
Max. Power: 250W
Frame: Anodized Aluninium Alloy
warranty: 25 years
Front Glass: 3.2mm high transmissiontempered glass
Tolerance: ±3%
Production Capacity: 300000 watt/watts per Month
Packing: 2pcs in one carton,then pack on the wooden pallet.
Delivery Date: within 15 days after the deposit
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Product Description

Product Description 

good quality 250w solar panel

 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*50

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 and 25years

80% of power

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 glass50w 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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