OS-P72-300W~315W Polycrystalline Photovoltaic Panel PV modules from China poly solar panel supplier Product Description Key Parameters Cell Poly No. of cells 72 Rated Maximum Power (Pmax)  300W~315W Junction Box IP67 Maximum System Voltage 1000V DC Operating Temperature -40+85 Connectors  MC4 �  Model OS-P72-300 OS-P72-310 OS-P72-315 Cell POLY POLY POLY Max Power 300W 310W 315W Max Power Voltage 36V 36.5V 36.8V Max Power Current 8.33A 8.49A 8.56A Open Circuit Voltage 43.2V 43.5V 43.8V Short Circuit Current 8.83A 8.92A 9.07A Number of Cells 72(6*12) 72(6*12) 72(6*12) Size of Cells (mm) 156*156 156*156 156*156 Dimensions(mm) 1955*992*35 1955*992*35 1955*992*35 Maximum system voltage 1000VDC Junction Box Protection IP67 Cables 4mm2 Connector MC4 Max wind load 2400Pa Max snow load 5400Pa Operating Temperature -40~+85 Power Tolerance±3% Hebei Oushang Photovoltaic Technology Co., Ltd has focus on solar panel production since 2014. Our factory is a professional PV modules manufacturer in China. We have shipped thousands of containers of solar panels to all over the world. Our products are all working well under different sunshine conditions.