Protect your home and office electronics against power surges and keep them running in the event of an outage with this APC® Back-UPS power-saving UPS. Four of its eight outlets provide battery backup during outages to prevent data loss. When connected to a computer via USB cable, its intuitive PowerChute software automatically saves files and safely shuts down your system when the battery runs critically low to prevent data corruption. All the outlets are surge-protected to ensure the sensitive parts of connected computers, networking devices or gaming systems don't get damaged by sudden voltage spikes. Protection Type: Cable Modem; DSL; Ethernet; Fax; Modem; Phone; Power; System VA: 550 VA; Backup Time at Half Load: 13.5 min; Lines: 1.