Good Quality Mono-Crystalline 250W Solar Panel Croatia Manufacturers

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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

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  • Here, you have the short test of the ELEGEEK 10W 18V Semi-flexible transparent solar cell panel bought in Aliexpress.

    Product Details:
    Size – 440*190*5mm
    Model – SWR1018B
    Max. Power – 10W
    Max Voltage: 18V
    Max Current: 0.55A

    More information: https://www.aliexpress.com/item/ELEGEEK-10W-18V-Semi-flexible-Transparent-Solar-Cell-Panel-with-DC-Output-Crocodile-Clip-440-190mm/32712715422.html

    Conditions of the test:
    - No clouds
    - Temperature: 10°C

    Measured values:
    Voc (open-circuit voltage) = 22.5V
    Isc (short-circuit current) = 0.2A
    P = U*I
    P = 22.5*0.2
    P = 4.5W

    The power measured is more than two times less than it is mentioned into the item description.



    Attaching the rails, panels, and DC optimizers!

    This is the 5th in a series of videos documenting the construction of a ground-mounted 17.4 kW electric solar array.
    - Solarworld 275w mono-crystalline black frame/backing panels
    - Ironridge frame (with 2 inch galvanized pipe)
    - 11.4 kW Solaredge Inverter (with 42 400 watt power optimizers)
    - 6 kW Solaredge Inverter (with 18 400 watt power optimizers)

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