Technical Parameters Category Specification Model EPF31P-M115V202PR Product Type Single-Phase Online Double-Conversion UPS Power Capacity 1150 VA / 800 W Input Voltage 100-125 VAC (for 120V market) Frequency 50/60 Hz Auto-sensing Connector NEMA 5-15P (Standard household plug) Output Voltage 100-125 VAC (Stabilized pure sine wave) Frequency 50/60 Hz (Synchronized to input or internal oscillator) Waveform Pure Sine Wave Connectors NEMA 5-15R (Standard household outlets) Typical Backup Time Varies based on load. Provides several minutes at full load, with extended runtime available via external battery packs. Communications Includes a Network Management Card (PR) for remote monitoring and management via network. Display & Interface LCD display for system status and configuration. Key Features Automatic Voltage Regulation (AVR) Yes, corrects under/over voltages without using the battery. Zero Transfer Time Yes, seamless transition between AC and battery power. Hot-Swappable Batteries Allows for battery replacement without shutting down connected equipment.