Shell Solar 175-PC 175 Watt 24V PowerMax Ultra Solar Panel Shell PowerMax is a new range of dependable, high performance solar products- with desgins created specifically for off-grid applications. Shell PowerMax Ultra 175-PC products contain 72 series connected 125mm x 125mm mono-crystalline solar cells, which can generate a peak power of 175 watts at 35 volts. Electrical Specifications Rated Power: 175 Watts Peak Power: 175 Watts Module Efficiency: 13.3% Max System Voltage: 600 Volts (UL); 715 Volts (TUV) Peak Power Voltage: 35.4 Volts Peak Power Current: 4.95 Amps Open Circuit Voltage: 44.6 Volts Short Circuit Current: 5.43 Amps Series Fuse Rating: 20 Amps Min Peak Power: 166.25 Watts Tolerance on Peak Power: +/-5 Mechanical Specifications A torsion and corrosion-resistant anondized aluminum frame ensures dependable performance, even under harsh weather conditions. Pre-drilled mounting holes are provided for ease of installation. Outside Dimensions: 63.9 x 32.1 inches Thickness (inc. junction box): 2.2 inches Thickness (exc. junction box): 1.6 inches Weight: 38 lbs Junction Box type: ProCharger IP54 Cable length -male/+female (in): 51/39 Cable cross-section (AWG): 12 Qualifications and Certificates IEC 61215 UL - Listing 1703 Limited Warranties Product workmanship 2 years Peak Power for 25 years