Low price for Poly-crystalline Solar Panel 300W for US
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Poly-crystalline Solar Panel 300W
Technical parameter
Maximum Power(W) 300W
Optimum Power Voltage(Vmp) 37.15V
Optimum Operating Current(Imp) 8.08A
Open Circuit Voltage(Voc) 45.30V
Short Circuit Current(Isc) 8.87A
Mechanical Characteristics
Cell Type Poly-crystalline 156x156mm (6 inch)
No of Cell 72 (6x12pcs)
Dimensions 1956x992x50mm
Weight 22.5Kg
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——Poly-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 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
www.renvu.com/SKG
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The buying process is now simplified with the help of this design tool from Renvu. The company is also working very closely with local utilities across Mountain view and California. By working closely with the utility companies it is possible to not only design your ideal solar system, but also receive government rebates and tax breaks to help you handle the cost of solar installation. This will improve your startup costs and potentially get you an amazing deal on a new solar power system for your home or business.
The Renvu Solar kit guide can help you with every aspect of quoting. Not only will it factor in discounts and savings from manufacturers and programs but it can help you easily calculate your roof size, design the layout of the solar system as well as present all the items you will need with an easy to understand bill.
For both customers and solar installation professionals the Solar Kit guide by Renvu is changing the way we buy solar equipment and improving solar systems everywhere.
I made this solarpanel using: one layer og glass, one layer of eva (str photocap), then solarcells in strings ‘face down’ , and last layer of eva. I think the best method must be solarcells ‘face up’, and use acrylic backplate. i can not recommend to make solarpanel with acrylic backplane, use aluminium or wood instead as backplane.
Se pictures of the process here: http://technotepad.wordpress.com/tag/str-photocap/
Also check EVA encapsulation process step by step here: http://www.youtube.com/watch?v=zY8PWrjNw20
