Parameter Specification Product Series Eaton N4 (UPS Series) Model Number N4-1000 Description Line-Interactive UPS, 1000VA/900W, 120V Topology Line-Interactive with AVR Rated Capacity 1000 VA / 900 W Input 120 V AC, 50/60 Hz Output 120 V AC, 50/60 Hz (Sinusoidal) Typical Backup Time Varies by load (e.g., ~10-20 minutes at half load) Battery Sealed, maintenance-free lead-acid battery (user-replaceable) Form Factor Tower / Desktop Outlets Multiple NEMA 5-15R battery-backed + surge-only outlets Communication USB, Serial (for management and graceful shutdown of connected computers) Display LCD or LED status display Warranty Typically 2 or 3 years