Model: 650VA
LED: Normal/backup
External fuse
Input voltage range: 140-290VAC +-5VAC, Frequecy: Sync with AC
Output Voltage (line model) : 230+/-10V (Square wave)
Output Frequency(Battery mode): 50 Hz +/- 1 (Self adapt system
Transfer time: <10ms
Battery type: Sealed lead acid maintenace free 12v 7ah battery
Charging time: 4-6 hours recover to 90% capacity
Alarm: Battery back-up: Beeps every 8 sec; Low battery: Beeps once every 1 sec; Overload: LED flashes every 1 sec