TRIPP LITE Omni Smart OMNISMART350HG 330 VA 225 Watts 4 Outlets UPS System Outlets: 4 Battery Run Time: Full load runtime: 18 minutes (330VA) Half load runtime: 46 minutes (165VA) Battery Recharge Time: 2-4 hours to 90% Series: Omni Smart Input Voltage Range: 120V Output Voltage: 120V Outlet Type: NEMA 5-15R-HG Hospital-Grade Alarms: Audible alarm indicates power failure conditions, silenceable via alarm cancel switch. Once cancelled, alarm will resume when approximately 2 minutes of battery operation remain (assuming full load).