19 Years manufacturer Poly-crystalline Solar Panel 250W Wholesale to Riyadh
Short Description:
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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
http://www.amazon.de/gp/product/B00XHPGGJY?tag=zuhause03-21
Here I am sealing the box, adding a lid with hinges and venting, so the Hydrogen that the batteries off gas will be piped out safely.
This is my step by step video series on how to install an off-grid stand-alone battery backup solar power system.
System specs and major component parts:
48Volt Nominal System
4100Watt Solar Array (18 x 230Watt SoPray Polycrystalline Photovoltaic Solar Panels)
4400Watt 48V Magnum Pure-Sine Inverter,
Outback FM80 80Amp Charge Controller with MPPT
16 x L-16 6V Deep Cycle Batteries
Main Enclosure Panel (Custom API E-Panel)
Midnight Solar 6 String Combiner Box
ProSolar Roof Rack and Fast Jack Mounting
**Solar power arrays and components are designed to be installed by professionals. They are Dangerous electrical instruments. Misuse could result in injury or death. Please do not try this at home.
