Specification Model: WVC-1400W Color: Silver Material: Aluminium Alloy Power: 1400W Voltage: 110V Plug Type: US Standard Maximum Input DC Voltage: 54V Peak Power Tracking Voltage: 22-45V Operating Voltage Range: 17-50V Min/Max Start-up Voltage: 22-50V Maximum DC Short Circuit Current: 80A Maximum Input Operating Current: 58A Output Peak Power: 1400watt Rated Output Power: 1350watt Rated Output Current: 12.8A Rated Voltage Range: 80-160VAC Rated Frequency Range: 57-62.5Hz Power Factor: >99% Number of Circuit Connections Per String: 3 Static MPPT Efficiency: 99.5% Maximum Output Efficiency: 91.2% Night Time Power Loss.