Factory Outlets Mono-Crystalline 250W Solar Panel in Rome
Short Description:
We support our buyers with ideal high quality products and high level service. Becoming the specialist manufacturer in this sector, we have gained rich practical experience in producing and managing for Factory Outlets Mono-Crystalline 250W Solar Panel in Rome, We cordially welcome customers from at home and abroad to join us and cooperate with us to enjoy a better future.
Mono-Crystalline 250W Solar Panel
Technical parameter
Maximum Power(W) 250W
Optimum Power Voltage(Vmp) 30.3V
Optimum Operating Current(Imp) 8.29A
Open Circuit Voltage(Voc) 36.76V
Short Circuit Current(Isc) 8.91A
Mechanical Characteristics
Cell Type Monocrystalline 156x156mm (6 inch)
No of Cell 60 (6x10pcs)
Dimensions 1640x990x40mm
Weight 18.0KGS
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
In diesem Video wird davor der Energieinhalt des Akkupacks von 12,5Wh bestimmt. Anschließend wird es mit einem 40 Watt Ventilator belastet und die Zeit gemessen. 7 Zellen mit jeweils 500mAh halten im Test circa 15min bei 40 Watt Leistung durch, was einen Energieinhalt von 10Wh ergibt.
Dabei handelt es sich um schlechte Zellen mit niedriger Kapazität.
Die für meinen späteren Hausspeicher selektierten Zellen haben gut die 4-fache Kapazität, also um die 2000mAh.
Original Samsung 18650 Li-Ion Akku: http://amzn.to/1Ma4VWX
Preiswertes Multimeter für Einsteiger: http://amzn.to/1LauoLM
Our solar panel with tracking system