Tripp OMNI900LCD Ups 900va 475w Battery Back Up Tower Lcd Avr 120v Usb - 900va-475w - 3 Minute Full Load - 4 X Nema 5-15r - Battery-surge-protected, 4 X Nema 5-15r - Surge-protected

Voltage compatibility - 120 Frequency compatibility - 60 Hz Output volt amp capacity (VA) - 900 Output watt capacity (watts) - 475 Output nominal voltage - 120VAC Output voltage regulation - BATTERY MODE---PWM sine wave 115V above or below 5 percent Output frequency regulation - LINE MODE---Passes line frequency of 60Hz above or below 10 percent , BATTERY MODE---Inverter output regulated to 60Hz above or below 0.5Hz Outlet quantity / type - 8 NEMA 5-15R Maximum input amps - 12A Input connection type - NEMA 5-15P Input cord length - 6ft. / 1.8m Recommended electrical service - 120V 15A BATTERY - Full load runtime---3 minutes (1000VA / 500w) , Half load runtime---11 minutes (500VA / 250w) , DC system voltage---12VDC , Typical battery lifespan---4-6 years (depending on usage) , Battery recharge rate---2-8 hours to 90 percent Voltage regulation description - Line interactive voltage regulation corrects brownouts as low as 89V back to usable values Direct pass through - Voltages of 105V and greater are passed through to connected equipment unchanged Brownout correction - Input voltages between 89 and 104 are boosted by 14 percent Front panel LEDs - Front panel LCD screen with blue backlight offers continuous input line voltage data, plus UPS status information on line power status, battery power status, battery charge level and voltage regulation operation Alarms - Audible alarm with 15 second delay sounds to indicate loss of utility power. Alarm can be silenced by pressing front panel alarm cancel button. Once silenced, alarm will re-sound when approximately 2 minutes runtime remain. Switches - Includes 2 front panel switches - one main on/off power switch and one dual function alarm cancel / self test button AC surge suppression - 480 joules