Electrical Specifications Optimum Operating Voltage (Vmp): 18.9V Optimum Operating Current (Imp): 5.29 A Open - Circuit Voltage (Voc): 22.5 V Short- Circuit Current (Isc): 5.75 A Maximum Power at STC: 100 W Operating Module Temperature: -40°C to + 90°C Maximum System Voltage: 600 V DC (UL) / 1000 V DC (IEC) Maximum Series Fuse Rating: 15A STC: Irradiance 1000 W/m2, module temperature 25°C, AM=1.5; Mechanical Specifications Solar Cell: Mono-crystalline 125 x 125 mm (5 inches) No. of cells: 36 (4x9) Dimensions: 47 x 21.3 x 1.4 in (1195 x 541 x 35 mm) Weight: 16.5 lbs (7.5 kg) Front Glass: 3.2 mm (.13 in)tempered glass Frame: Anodized aluminum alloy Junction Box: IP65 rated Output Cables: 4.0 mm2 (.006 in2), 600mm(23.6inches) Connectors: MC4 compatible UL Listed: CE Fire Rating: Class C Connector Type:MC4 Connector, IP 67 Rated Waterproof Warranty: 25 Year Performance Warranty Solar Cell Type: Monocrystalline Solar Cell Efficiency: 19% and Above Rated Output Voltage: 12Volts, 12V Application: RV, Car, Marine, Boat Battery charging