10 Years manufacturer Poly-crystalline Solar Panel 250W Wholesale to Luxembourg
Short Description:
Our development depends on the advanced equipment ,excellent talents and continuously strengthened technology forces for 10 Years manufacturer Poly-crystalline Solar Panel 250W Wholesale to Luxembourg, We always hold the philosophy of win-win, and build long-term cooperation relationship with customers from around the world.We believe that our growth base on customer's success, credit is our life.
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
I wasn’t sure how to title this video because it’s a little bit of everything.
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How to Make 2 in 1 Solar Power Bank from Scrap Laptop Battery | Engineering & Technology qnu.
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Hi Friends, Today i will Show you How to Make 2 in 1 Solar Power Bank from Scrap Laptop Battery at Home
Things Required :
1) 18650 Batterys x4 (From Old Laptop Battery)
2) Some Pieces of Plywood
3) 6v Solar Panel
4) 5v Voltage Regulator 7805
5) Micro USB Connector
Link to Buy
1) Lithium Battery Charging Board :
2) 6v Solar Panel :
3) 5v Voltage Regulator 7805 :
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