17 Years Factory Poly-crystalline Solar Panel 3W Kyrgyzstan Factories
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Poly-crystalline Solar Panel 3W
Technical parameter
Maximum Power(W) 3W
Optimum Power Voltage(Vmp) 9V
Optimum Operating Current(Imp) 0.34A
Open Circuit Voltage(Voc) 10.8V
Short Circuit Current(Isc) 0.37A
Mechanical Characteristics
Cell Type Polycrystalline
No of Cell 18 (2x9pcs)
Dimensions 145x245x18mm
Weight 0.52KGS
Front Glass 3.2mm,High Transmission, Low Iron,Tempered Glass
Temperature and Coefficients
Operating Temperature(°C): -40°C ~ + 85°C
Maximum System Voltage: 600V(UL)/1000V(IEC) DC
Maximum Rated Current Series: 10A
Temperature Coefficients of Pmax: -0.435%
Temperature Coefficients of Voc: -0.35%
Temperature Coefficients of Isc: 0.043%
Nominal Operationg Cell Temperature (NOCT): 47+/-2°C
Materials of solar panel
1).Solar Cell——Polycrystalline solar cell 156*156mm
2).Front Glass——-3.2mm, high transmission, low iron, tempered glass
3).EVA——-excellent anti-aging EVA
4).TPT——-TPT hot seal made of flame resistance
5).Frame——anodized aluminum profile
6).Junction Box——-IP65 rated, high quality, with diode protection
Superiority: high quality anodized aluminum frame, high efficiency long life, easy installation, strong wind resistance, strong hail resistance.
Features
1. High cell efficiency with quality silicon materials for long term output stability
2. Strictly quality control ensure the stability and reliability, totally 23 QC procedures
3. High transmittance low iron tempered glass with enhanced stiffness and impact resistance
4. Both Poly-crystalline and Mono-crystalline
5. Excellent performance in harsh weather
6. Outstanding electrical performance under high temperature and low irradiance
Quality assurance testing
Thermal cycling test
Thermal shock test
Thermal/Freezing and high humidity cycling test
Electrical isolation test
Hail impact test
Mechanical, wind and twist loading test
Salt mist test
Light and water-exposure test
Moist carbon dioxide/sulphur dioxide
Today I am going to take a look at a portable solar charger sent over by EC Technology. This portable solar array uses 6 mono-crystalline cells to provide an advertised power output of 21W to charge up to two USB devices. The charger is durable, light, and highly portable. It is easy to setup and easy to use. Just angle it towards the sun and plug in a USB device.
Even though the charger is rated to provide 21W of max power I was only ever able to draw 13W max from the charger. On average I was getting a little under 10W from the charger and at times that figure would dip down to 5W. I believe the 21W rating is a slightly inflated best case scenario. On a sunny day expect to see 7W – 13W from this charger max.
It works, its easy to use, and it is portable. Just keep in mind that realistically you should expect to see around 10W from this charger on a sunny day.
Get the solar charger here: http://amzn.to/2gecoOc
Battery bank: http://amzn.to/2f2rS5z
Article: Coming soon
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China Manufacturer : http://www.zyyenergy.com
–Zhejiang Yummy Technology Co., Ltd
Add: 78 Building Houzhai Industrial Distric,Yiwu 322000,Zhejiang,China
Email: [email protected]
Tel: 0086-18868582038
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