... capacity;Perfect protection fuction:overload, short circuit, low battery voltage, improper operation etc,which won’t cause ... formPure Sine waveTHD≤3%Protection functionoverload,short circuit,low battery voltage,high/low AC mains voltageOverload capacity120% overload ... to AC mains and power to loads when the battery power is not enought .AC/Inverter conversionSlow start (output voltage from small to ...