Chinese wholesale Poly-crystalline Solar Panel 2W in Bangkok
Short Description:
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Poly-crystalline Solar Panel 2W
Technical parameter
Maximum Power(W) 2W
Optimum Power Voltage(Vmp) 6V
Optimum Operating Current(Imp) 0.34A
Open Circuit Voltage(Voc) 7.2V
Short Circuit Current(Isc) 0.37A
Mechanical Characteristics
Cell Type Polycrystalline
No of Cell 12 (2x6pcs)
Dimensions 145x145x18mm
Weight 0.4KGS
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 Operating 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
In diesem Video wird davor der Energieinhalt des Akkupacks von 12,5Wh bestimmt. Anschließend wird es mit einem 40 Watt Ventilator belastet und die Zeit gemessen. 7 Zellen mit jeweils 500mAh halten im Test circa 15min bei 40 Watt Leistung durch, was einen Energieinhalt von 10Wh ergibt.
Dabei handelt es sich um schlechte Zellen mit niedriger Kapazität.
Die für meinen späteren Hausspeicher selektierten Zellen haben gut die 4-fache Kapazität, also um die 2000mAh.
Original Samsung 18650 Li-Ion Akku: http://amzn.to/1Ma4VWX
Preiswertes Multimeter für Einsteiger: http://amzn.to/1LauoLM
Professor Alexi Arango discusses his innovative research into solar power technology. He describes his experiments with cheaper, more flexible materials for solar power generation, an approach that could dramatically reduce the cost of solar energy.
