19 Years Factory Poly-crystalline Solar Panel 3W to Benin Importers
Short Description:
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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
Automatic street light or night light is the solution for those people who forgot to switch off their home lights in the daylight when light is not necessary.when the light is available the lamp is switched off & when the light is not available the light is automatically on.In this video I will show you how to make an automatic night light using transformer-less power supply.To make this project a few & easy components are required
Components lists
1. 1uf/400v capacitor
2. 1 megaohms/1watt resistor
3. 1 100ohms/1watt resistor
4. 220ohms/1watt resistor
5. 470uf/16v capacitor
6. 5*1n4007 diodes
7. 1 led
8. 12v/1watt zener diode*1
9. 1k/.5 watt resistor*1
10. 100k resistor*1
11. 2*bc547 transistor
12. LDR*1
13. 12v,1c/o relay*1
14. 220v bulb
15. bulb holder
16. breadboard/pcb board
17. connecting wires
miscellaneous items
cutter,soldering iron,plastic box,electrical tape etc
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Thanks for watching
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Please watch: “How to Make a Portable USB Mobile Charger using 9V Battery”
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How to hack a solar system to monitor direction of power generation/use using a lava lamp. More info at http://misterhouse.blogspot.com/2014/11/monitoring-solar.html
