1. Product type: Grid-connected inverter 2. Material: Aluminum alloy 3. Total weight: 910g / 32.1oz 4. Model: PVGS500 - 700 Series 5. Product dimensions: 24.5x13x4cm / 9.6x5.1x1.6in 6. Photovoltaic output: - Number of input - end connectors: 1 set - Maximum power point tracking range: 28V - 55V - Operating voltage range: 18V - 60V - Maximum DC input voltage: 60V - Starting voltage: 18V - Maximum DC input current: 16.7A, 20A, 23.3A 7. AC output: - Single - phase grid type: 120V, 230V - Rated AC voltage: 120VAC, 230VAC - Output voltage range: 120VAC: 80V - 160V; 230VAC: 180V - 280V - Rated AC frequency: 50Hz, 60Hz - Output frequency range: At 50 Hz: 47.5 Hz–52.5 Hz; At 60 Hz: 57.5 Hz–62.5 Hz - Output power factor: >0.99 8. Efficiency: - Maximum conversion efficiency: 92% - CEC weighted efficiency: At 120 VAC: 90.5%; At 230 VAC: 90.5% - Tracking efficiency: 99.9% 9. Nighttime loss: (The original Chinese text didn't have a value here, so it's left as it is in the translation)