... temperature, low battery voltage, over battery voltage, lack-voltage alarm.8.Topology: Microprocessor9.Approvals: RoHS / CE / EMC / LVD10.one ... : 14270PcsOrder Remarks:1.DC Input voltage: 12V, 24V, 48V2.AC Output voltage: 100V, 110V, 120V, 220V, 230V, 240V3.Frequency ... : 50Hz, 60Hz, 50Hz/60Hz(having frequency switch)4.Socket types: USA, Australia, universal, UK, France, Germany and so ...