Discountable price Poly-crystalline Solar Panel 50W in Melbourne
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Poly-crystalline Solar Panel 50W
Technical parameter
Maximum Power(W) 50W
Optimum Power Voltage(Vmp) 18.43V
Optimum Operating Current(Imp) 2.71A
Open Circuit Voltage(Voc) 22.48V
Short Circuit Current(Isc) 2.98A
Mechanical Characteristics
Cell Type Poly-crystalline 156 x 52mm
No of Cell 36 (4x9pcs)
Dimensions 678x542x25mm
Weight 4.2Kg
Front Glass 3.5mm,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——Poly-crystalline solar cell 156*52mm
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
I wanted to show what I usually cook on a typical day of solar cooking when the sky is good and clear. Today, I cooked a peach cobbler type cake, and I wanted to show you the focal point of the sun to show why it cooks so hot. Also, to show you my new cooker, made simply out of a large steel bowl, with two large clear glass bowls to hold heat in, which had a pie pan with a cake rack to lift the pot up so heat circulates underneat the pot for thorough cooking. I am cooking rice, and it only took 2 hours to slow cook, almost got over done on the top because of the focal point on the top of the rice.
The reflector, also made from simple posterboard you would buy for a school project, and aluminum foil glued to it with cheap elmers type glue, only paid 50 cents for it. I dilute the glue 50/50 water/glue, then brush it on the posterboard, and lay the foil on with shiney side facing up.
Sorry again for the videos being so short, my digital camera has only 60 seconds at a time for video, and I don’t have anyone here during the day to hold the camera for me to fit more into that 60 seconds.
In this video I’m showing how I put together the wood backed panel but I’m not showing how to solder the solar cells together I covered that in a other video http://www.youtube.com/watch?v=ouLa4Ftu3O8&feature=plcp I build the panels this way because I have free glass in mostly smaller sizes that’s ok though you can make many smaller panels and just connect them in series to add up the voltage you need. The panels I build cost very little I use a lot of leftover materials these are non encapsulated not for roof mounting, I do not know how long these will last so the video is for entertainment purposes but they do work well.
