Popular Design for Poly-crystalline Solar Panel 300W Mongolia Factories

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With a sound business credit, excellent after-sales service and modern manufacturing facilities, we have earned an excellent reputation among our customers across the world for Popular Design for Poly-crystalline Solar Panel 300W Mongolia Factories, We will do our best to meet your requirements and are sincerely looking forward to developing mutual beneficial business relationship with you!


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

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  • I did get my sign powered up with batteries and LEDs. It is glorious. I put one on the Glenora site today, the idea is that I will turn it on when I leave at night, and off in the morning when I return. Not sure how long the batteries will last yet. The signs are 32″ x48″. The plastic pieces were about $5, the vinyl cut out prepped to stick on was about $33, the LEDs were about $5 from china, and the batteries to run it another $5, an ongoing expense until there is power on site. You can see the LEDs in this vid.



    Votronic 250W coupled with 2x130W policristalin panels. Pumping way over rated 260W while in midday cloudless sun (June, out temp 19degC, Netherlands)

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