Cell Type: Monocrystalline siliconMaximum Power (Pmax): 150 WattsSystem Voltage: 12V DCVoltage at Pmax (Vmp): Approximately 18.0V - 18.62VCurrent at Pmax (Imp): Approximately 8.06A - 8.33AOpen Circuit Voltage (Voc): Approximately 21.44V - 22.3VShort Circuit Current (Isc): Approximately 8.53A - 8.82ACell Origin: Cells often noted as "Made in Germany"Frame: Heavy-duty anodized aluminumGlass: Highly transparent, low-iron tempered glass