... line Static bypass switch,double conversion1:13:1Rectified I/P>0.98>0.95200/208/220/230/240VAC380VAC110- ... 10%***0 to 100% ,3 to 5 secondsBypass I/P±15%±5%Charge 220VDC6 to 12A (extention)Charge voltage ... ,Intermission 4S,continuous beep1Scontinuous beepSystem LED+LCDO/P short circuit,overload,O/P over/low voltage,battery low voltage,over ...