19 Years Factory Poly-crystalline Solar Panel 300W Factory in Russia
Short Description:
"Sincerity, Innovation, Rigorousness, and Efficiency" is the persistent conception of our company for the long-term to develop together with customers for mutual reciprocity and mutual benefit for 19 Years Factory Poly-crystalline Solar Panel 300W Factory in Russia, With a wide range, good quality, reasonable prices and good service, we will be your best business partner. We welcome new and old customers from all walks of life to contact us for future business relationships and achieving mutual success!
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
Low voltage relay wiring made easy. Off grid solar relay applications and typical switches used.
2 x 195w panels. Less than ideal orientation. Century N70 deep cycle battery (100Ah). This rig runs a Raspberry PI 2 and an old Asus wireless router 24-7.
Graphs created with the Raspberry PI using python, from data parsed from the Victron 100/30 charge controller. Music by Red Bird.
I’m in the Southern hemisphere so note how the days get pretty short around June.
Video was created using ffmpeg from source .png files and muxing in the audio
