APC BACK-UPS RS BR1200 1200VA/780W UPS System (Discontinued by Manufacturer) Output Power Capacity: 780 Watts / 1200 VA Nominal Output Voltage: 120 V Output Connections: 6x NEMA 5-15R (Battery Backup) & 2x NEMA 5-15R (Surge Protection) Nominal Input Voltage: 120 V Input Frequency: 50/60 Hz +/-3 Hz (auto sensing) Input Connections: NEMA 5-15P Battery Type: Maintenance-free sealed Lead-Acid battery with suspended electrolyte - leakproof Control panel: LED status display with On Line - On Battery - Replace Battery Overload indicators Audible Alarm: Alarm when on battery - distinctive low battery alarm - configurable delays