2017 wholesale price Mono-Crystalline 300W Solar Panel in Angola
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Mono-Crystalline 300W Solar Panel
Technical parameter
Maximum Power(W) 300W
Optimum Power Voltage(Vmp) 37.45V
Optimum Operating Current(Imp) 8.15A
Open Circuit Voltage(Voc) 45.60V
Short Circuit Current(Isc) 8.91A
Mechanical Characteristics
Cell Type Monocrystalline 156x156mm (6 inch)
No of Cell 72 (6x12pcs)
Dimensions 1950x990x50mm
Weight 22.1Kg
Front Glass 3.2mm,High Transmission, Low Iron,Tempered Glass
Junction box IP65 Rated
Output Cable TUV 1×4.0mm2/UL12AWG,Length:900mm
Temperature and Coefficients
Operating Temperature(°C): -40°C ~ + 85°C
Maximum System Voltage: 600V(UL)/1000V(IEC) DC
Maximum Rated Current Series: 15A
Temperature Coefficients of Pmax: -0.47%
Temperature Coefficients of Voc: -0.389%
Temperature Coefficients of Isc: 0.057%
Nominal Operationg Cell Temperature (NOCT): 47+/-2°C
Materials of solar panel
1).Solar Cell——Mono-crystalline 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 Polycrystalline 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
15.7kW (DC) roof portion of my solar system is finally installed and complete. This video has 300x time lapse footage of the install of 36 SunPower 435W panels on my roof, along with some photos taking during the install and some photos and footage from my Phantom 2 drone.
This is not a grid tied system. It is an off-grid system with battery storage (191kWh worth of lithium ion batteries from salvaged Tesla Model S’s). You’ll see at the end of the video that my utility meter is completely stopped and doesn’t spin backwards or forwards now. 
Special thanks to everyone who helped make this happen!
I will be making a website with a lot of information on my setup in the near future, probably next month.
Still 66 panels to be installed on the ground later in the summer.
Music credits:
dj-Nate for “End of Time” ( http://www.newgrounds.com/audio/listen/301714 )
EnV for “Green With Me” ( http://www.newgrounds.com/audio/listen/525196 )
Drone sweep at 6:30
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