... inverter technology, high reliability, protection-function, small waveform distortion, etc.. It can be converted to 110V AC or 220V DC 220V ... current and output voltage and current monitoring for detection, in order to achieve maintenance-free guarded function. Application: ... %10mins;125%~150%1min.Transfer time0ms (Inverter to bypass,bypass to inverter)displayAC input voltage,frequency;DCinput voltage , ...