MODEL: N400 N500 N650 N800 N1000 N1200 N1500 Nominal Capacity: 400VA/ 240W 500VA/ 300W 650VA/ 390W 800VA/ 480W 1000VA/ 600W 1200VA/ 720W 1500VA/ 900W Input Voltage Range: 145~ 280VAC/ 80VAC-150VAC Frequency: 50/ 60Hz Output Voltage Range: 220VAC/ 120VAC ± 10% Frequency 50Hz/ 60Hz ± 5% Output Waveform: Square Wave Transfer time: < 10ms Battery Type: Sealed free maintenance lead acid battery Capacity 12V, 4AH * 1PCS 12V, 7AH * 1PCS 12V, 7AH * 1PCS 12V, 9AH * 1PCS 12V, 7AH * 2PCS 12V, 9AH * 2PCS 12V, 9AH * 2PCS Recharge Time: 8 hrs to 90% of capacity full load discharge Protection: Auto protect Back-up time( Full load) : 3~ 5 min 5~ 7 min 7~ 10 min 6~ 8 min 5~ 7 min 8~ 10 min 10-12min Function Auto voltage output on AC mode, Auto shutoff if short circuit or overload DB-9 port, communication software: Optional RS232, RJ11, RJ45, USB Protection AC mode: Fuse Short circuit AC: Fuse Invert mode: Auto protect Alarm Alarm Battery discharge: Alarm beeps every four seconds Low battery voltage: Alarm beeps every second Overload: Alarm beeps continuously Indicator light Auto adjust Green lighting: AC mode Battery Discharge Red lighting: Battery mode Environment Operating temperature: 0C~ 40C Operating Humidity: 0-90% non-condensing Noise: < 35dB( 1 meter distance) Dimension( L* W* H) mm: 325* 90* 150, 335* 100* 150, 345* 125* 190 Net weight ( N.W.) : 4.50KG 6.50KG 6.80KG 7.50KG 11.00KG 12.00KG 13.00KG Gross weight ( G.W.) : 4.70KG 6.70KG 7.00KG 7.70KG 11.30KG 12.30KG 13.30KG