20 Years Factory Mono-Crystalline 50W Solar Panel Vancouver Importers
Short Description:
We are convinced that with joint efforts, the business between us will bring us mutual benefits. We can assure you product quality and competitive price for 20 Years Factory Mono-Crystalline 50W Solar Panel Vancouver Importers, Our tenet is clear all the time: to deliver high quality product at competitive price to customers around the world. We welcome potential buyers to contact us for OEM and ODM orders
Technical parameter
Maximum Power(W) 50W
Optimum Power Voltage(Vmp) 18.72V
Optimum Operating Current(Imp) 2.67A
Open Circuit Voltage(Voc) 22.83V
Short Circuit Current(Isc) 2.94A
Mechanical Characteristics
Cell Type Monocrystalline 125×62.5mm
No of Cell 36 (4x9pcs)
Dimensions 636x554x25mm
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——Mono-crystalline solar cell 125*125mm
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
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The solar cells I used are 800mA photovoltaic and as you can see are not very efficient – I doubt if they are more than 10% efficient. Most of the ‘light energy’ falling on them is transferred to heat or reflected instead of being ‘turned into’ electricity. But that’s why its useful having toys like this so that pupils can learn about the challenges associated with harnessing alternative energy supplies.
Even with sunshine the small size of these solar cells will always limit the amount of electricity generated. The motor will spin much more easily mounted vertically – see my ‘solar-powered zoetrope’ video in this series.
All of the materials and components used are available from my supply service (UK only) and the solar car is also available as a kit.
Details at www.slstc.southwarklea.org.uk
