Reasonable price for Poly-crystalline Solar Panel 3W Wholesale to Germany
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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
I enjoy sending and receiving low powered Morse code (called “QRP” CW) over the amateur radio bands. I power most of my equipment with batteries that I charge in my backyard off a 40 Watt solar panel. Since Colorado receives a lot of sunshine, throughout the year, I almost never have any difficulty charging batteries when it’s convenient for me. Most of the time, especially for these old/used gel cell batteries I do not use a charge controller* and rely on simple “alligator” clip leads for my connections. When time and money permit I hope to power most of my home off solar. However, as it is now, we subscribe to Xcel Energy’s “Wind Source” to power our entire home at this time. It’s something we’ve subscribed to for many years but believe it’ll be more fun, in the future, to create our own power!
*Although I don’t often use a charge controller I do, at times, insert a diode into the charging circuit to keep the batteries from discharging through the panel if the sunlight gets blocked by heavy cloud cover or I forget and nightfall occurs, etc. However, I even try to avoid using the diode, when I know I’m going to be home most of the day, since it creates a little bit of a voltage drop in the charging circuit…
Here’s a YouTube video of my $20 lead-acid “Lawn and Garden” battery being solar charged: http://www.youtube.com/watch?v=tmRnV3DooN0
Here is the YouTube video of my amateur radio station that’s powered by these batteries at the time of this video:
Here’s a page from my own website that features more solar info:
http://www.rogerwendell.com/solar.html
For the Earth!
Roger J. Wendell
05-03-2008
Asslam O Alikum Dosto,Aaj is video mein maine aap sy Solar panels k bary mein baat ki hy k yeh kia hain kesy kaam krty hain or kesy 1 chhoti si plate hamary liya electric curent bnati hy,or aaj is video mein maine aap ko yeh bhhe btaia hy k soler tracker kia hota hy. Dosto mujhe umeed hai k Solar Panel Works and Solar Tracker Works ki yeh video aap ko pasand aaye ge.Ager video pasand aiy to Techinfoedu Channel ko Subscribe krna bilkul mat bhholiya ga or Subscribe krny k sath sath video ko Like or apny doston k sath Share krna to bilkul bhee mat bhholiya ga, Hamesha Khush rahain or mujhy apni duaion mein yaad rakhain, Aap ka din accha guzry, ALLAH HAFIZ………………
Subscribe to my channel for more videos like this and to support my efforts.
ＬＩＫＥ | ＣＯＭＭＥＮＴ | ＳＨＡＲＥ | ＳＵＢＳＣＲＩＢＥ
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