300Wp Polycrystalline Module


Solar Photovoltaic Panels from Polycrystalline cells


  • ISO 9001:2008 & ISO 14001 management systems
  • IEC 61215 & IEC 61730 standard quality
  • 0-5 W positive power sorting
  • Stable performance under weak light conditions
  • Wind load up to 3800 Pa / Snow load up to 5400 Pa
  • Salt mist and ammonia corrosion tests passed
  • 25-year performance warranty / 10-year product warranty
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    Electrical Characteristics
    Optimum Operating Voltage (Vmp) 36.1V Maximum Power at NOCT (Pmax) 218W
    Optimum Operating Current (Imp) 8.31A Optimum Operating Voltage (Vmp) 32.9V
    Open Circuit Voltage (Voc) 44.6V Optimum Operating Current (Imp) 6.61A
    Short Circuit Current (Isc) 8.87A Open Circuit Voltage (Voc) 41.0V
    Maximum Power at STC (Pmax) 300W Short Circuit Current (Isc) 7.19A
    Cell Efficiency 17.46% STC: lrradiance 1000 W/m2, module temperature 25 °C, AM=1.5;AAA solar simulator (IEC 60904-9) used, power measurement uncertainty within +/- 3
    NOCT: Irradiance 800 W/m2, ambient temperature 20 °C, AM=1.5, wind speed 1 m/s;AAA solar simulator (IEC 60904-9) used, power measurement uncertainty within +/- 3%
    Operating Module Temperature -40 °C to +85 °C
    Maximum System Voltage 1000 V DC (IEC) / 600V DC (UL)
    Maximum Series Fuse Rating 15 A
    Power Tolerance 0/+5W
    Mechanical Characteristics
    Solar Cell Poly-crystalline silicon 156 × 156 mm (6 inches)
    No. of Cells 72 (6 × 12)
    Dimensions 1950 × 992 × 40mm
    Weight 23.0 kgs
    Front Glass 3.2 mm tempered glass
    Frame Anodized aluminium alloy
    Junction Box IP67 rated (3 bypass diodes)
    Output Cables TÜV (2Pfg1169:2007), UL 4703, 4.0 mm2, symmetrical length (-)1000mm and (+)1000mm
    Connectors MC 4 compatible
    Mechanical load test 5400Pa
    Resistance 277g steel ball falls down from 1m height and 60m/s wind
    Temperature Charateristics
    Nominal Operating Cell Temperature (NOCT ) 45±2°C
    Temperature Coefficient of Pmax -0.44 %/°C
    Temperature Coefficient of Voc -0.33 %/°C
    Temperature Coefficient of Isc 0.055 %/°C
    Packing Configuration
    Container 20' GP 40' GP
    Pieces per pallet 26 26
    Pallets per container 10 22
    Pieces per container 260 572



    Whitewall Energy offers technological solutions for the Industrial Internet, Smart Energy, Smart City, Precision Agriculture, etc.

    We help manufacturers to create smart and connected products, enabling an entirely new set of product functions and capabilities, which can be grouped into four areas: monitoring, control, optimization, and autonomy.

    We market our Rekoser brand for components ranging from Solar Panels, Inverters, Solar controllers, Batteries and much more.

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