... power type means the inverter power supply is main when the city power is normal, when inverter power is off, city power comes into work state automatically.5. With ... warning shutdown output, when battery voltage recovers normal, battery voltage recovers; power supply output ... C~+50°CHumidity0~90%Sea Level(m)≤2000DISPLAYLCD Input/output voltage, frequency, output current, temperatuerLEDline,inverter ...