... ~65Hz±0.5Hz auto sensingVoltage range of bypass65VAC×(1±5%)~140VAC×(1±5%)BATTERY INPUT Battery InputTypeLead-Acid maintenance-free ... optionalBat Number16/20PCS optionalInside batteries12V7AH-12V7AH-Backup TimeStandard ups 1: Half loaded≥10minutes,Full loaded ≥5minutesLong backup ups 2 ... PanelI/P Voltage, I/P& Frequency,Battery voltage,UPS status, load, temperature,O/P Voltage,Frequency, B/P Voltage ...