... Equipment widely,such as Aircondition,refrigeratory,Pump,TV,Light,Fan and so on, depending on a size of the inverter. ... Function; Charge Current are adjustable,it extends Battery Life; Automatically and swiftly line to battery switch over; High Transfer time,below ... Out Put are adjstable; With RS232 Communications Function Option; Votagle and Frequency is Optional:220V/110V+-10%,50/60Hz; Model/PowerVMI ...