Packing Information

Pcs/Carton: N/A

Packing Size/Carton:N/A

Packing Vol/Carton: N/A

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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 .

Packaging & Shipping:

Company Information：

Founded in 2011, Hangzhou Dongke New Energy Technology Co., Ltd is a professional large-scale manufacturer of all types of photovoltaic glass, development, production and sales together. Dongke have passed a professional manufacturer certified by ISO9001. Our company specializes in the photovoltaic glass, low iron solar glass and solar glass of AR coating., enjoying a good reputation both in China and all over the world .