29 Years Factory Poly-crystalline Solar Panel 250W Manufacturer in Ghana
Short Description:
We consistently carry out our spirit of ''Innovation bringing development, Highly-quality ensuring subsistence, Management promoting benefit, Credit attracting customers for 29 Years Factory Poly-crystalline Solar Panel 250W Manufacturer in Ghana, We hope to establish more business relationships with customers all over the world.
Poly-crystalline Solar Panel 250W
Technical parameter
Maximum Power(W) 250W
Optimum Power Voltage(Vmp) 30.25V
Optimum Operating Current(Imp) 8.26A
Open Circuit Voltage(Voc) 36.61V
Short Circuit Current(Isc) 8.89A
Mechanical Characteristics
Cell Type Polycrystalline 156x156mm (6 inch)
No of Cell 60 (6x10pcs)
Dimensions 1640x990x40mm
Weight 18.5KGS
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——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
For some new panels go to www.altestore.com. I made a newer video that illustrates how new panels from them operate with a new inverter system here – https://www.youtube.com/watch?v=KSAL3Z3dqeA
Better and cheaper than building yourself. IMO.
I wanted to show the results of my efforts with building a home made solar cell. I encapsulated the cells on to the glass using Sylgar product, however the glass i ordered was supposed to be high temperature acrylic. Apparently not high temperature enough, as it was only a few days of exposure to the direct sun and the glass completely warped, breaking up many of the individual cells. Surprisingly the panel still seems to produce some useful wattage, but has become so hard to look at that i had to take it down as part of my primary solar array. 
Learn from my mistake. I started this project, and started ordering the pieces to build it, 2 years ago (i’m slow). In that short period of time the price of Photovoltaic solar panels has fallen dramatically. So much so that the panel i was looking at for $2400 is now only $540 (correction from video). WAY WAY easier to buy proper manufactured panel. Building one from scratch is A LOT of work and soldering. So much soldering that the fumes become an issue and should be done in very well ventilated area or outside.
In this video i’m just playing with a self oscillating circuit i built and listening to the fluctuation in the current flow.
This is a short video showing how we got started and some of the things we have done. It shows our first basic setup to our present day setup. Solar upgrades, battery upgrades, wind turbine upgrades.
The Chickens and farm equipment we gained. Also the water collection system, composting toilet, water heater and filtration system. Shows our first sink to what we have now.
Just a overview of where we came from to where we are now.
We have been living off the grid for three years now. Hope you enjoy the video. This took a little time to put together as I was learning new software. Thanks for watching
Please Like, Comment, Share!! Do what you must. God Bless.
Click to subscribe https://www.youtube.com/user/OurOffGridSolarCabin?sub_confirmation=1
http://1musicpack.com/license.html To view my purchase and license of this royalty free music.
Please use my Amazon link to buy at Amazon. I earn a few pennies when you use my link http://tinyurl.com/ouroffgridsolarcabin
Check out our
Web Site http://www.ouroffgridsolarcabin.com
Our Blog http://www.ouroffgridsolarcabin.com/blog
FB page link https://www.facebook.com/solarcabin
My FB Page link https://www.facebook.com/ouroffgridsolarcabin
G+ Page https://plus.google.com/u/0/101008385143088931311/posts
Please Like, Comment, Share do what you must. God Bless.
Hat Cam is ActionCamNX with Hat clip by PedsProducts.com
Canon Vixia HF R500 Video camera with zxr300 compact stereo video microphone.
GoPro Hero 3+
Video Edited with Camtasia 2 for Mac http://www.techsmith.com/camtasia.html
and edited with
Final Cut Pro/IPhoto/Imovie/videopad
This Video is the property of Bill and Rosa our off grid solar cabin. DO NOT use any portion of this video without our expressed permission.
-~-~~-~~~-~~-~-
Please watch: “Good weather allows for work on the homestead. Garden, brush hogging and Rosa’s health.”
-~-~~-~~~-~~-~-
