... market come true, it resolved the troubles of power cut completely.· Unique overload design, originate in ... in this field.· Functions that when the commercial power comes, it will start the unit automatically: when ... And it is a real intelligent household uninterrupted power supply.· Full automatic transformer time less than 4ms, ... it is 90V-280V, it is used for inverter, but when it is 175V-265V, it is ...