Factory supplied Mono-Crystalline 300W Solar Panel Bhutan Manufacturer
Short Description:
With advanced technologies and facilities, strict quality control, reasonable price, superior service and close co-operation with customers, we are devoted to providing the best value for our customers for Factory supplied Mono-Crystalline 300W Solar Panel Bhutan Manufacturer, We sincerely look forward to hearing from you. Give us a chance to show you our professionalism and passion.
Mono-Crystalline 300W Solar Panel
Technical parameter
Maximum Power(W) 300W
Optimum Power Voltage(Vmp) 37.45V
Optimum Operating Current(Imp) 8.15A
Open Circuit Voltage(Voc) 45.60V
Short Circuit Current(Isc) 8.91A
Mechanical Characteristics
Cell Type Monocrystalline 156x156mm (6 inch)
No of Cell 72 (6x12pcs)
Dimensions 1950x990x50mm
Weight 22.1Kg
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——Mono-crystalline 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 Polycrystalline 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
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These are the largest 12V charging panels I’ve come across to sell. They are a little bit more expensive than the polycrystalline, but offer some good power output for the physical size. Ideal for RV use where you can only fit one panel on the roof (or two – size constraints).
Just for fun I hooked them up to (2) 50 watt Halogen 12V lamps in series. The series connection of bulbs measured 0.7 ohms cold. Of course, that will change once they are heated up. The panels was putting out 18 watts with the sun completely obscurred by clouds, and 80 watts partially obscurred. That said, the bulb configuration will only draw — so much — current. The two bulbs will draw under 100 watts when run conventionally @ 12V in parallel. About 4A each, I think. I thought I’d try this test though, it is interesting, if not scientific. Please don’t get your scientific theories all in a knot… because the truth of the matter is, the only way to test a panel scientifically is in a lab, with a sun lamp — real sun is not how it’s done, so here today, I’ll do what I want, and what interested me… and today, that was to see real power… behind partial clouding.
FOR SALE IN CANADA ONLY
see kijiji ad for singles pricing
ask about deals on multiple panels
Our off grid solar cabin now is 90% insulated on the walls and 85% vapor barrier. We did a bunch of cleaning and organizing. Put in a little more electrical wiring for Rosa.
Had a little SHTF when our 10 year old inverter went out with sparks and smoke it is now resting forever. Got lucky and our neighbor down the way let us borrow their truck to go hunt down a replacement. Wasnt wanting another 12 volt one but had to buy was was local. It just means we have to wait another month or so to get our 24 volt inverter.
Just taking one step at a time, one day at a time and enjoying the future outlook of our lives independent of controlling ties. Just keep your eyes open to what is around you and who is around you.
Thanks for watching, please like, comment or do what you must. God Bless.
Check out our New Web Site www.ouroffgridsolarcabin.com We have a blog there and adding a lot of content to explain our lifestyle and how to go off the grid.
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Please watch: “Good weather allows for work on the homestead. Garden, brush hogging and Rosa’s health.”
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