Line-interactive UPS provides optimal and uninterrupted power supply for maximum usability Up to 4 minute runtime on full load to preserve critical data from power shortage interruptions 1500 VA load capacity provides sufficient backup during power failures NEMA 5-15P plug/connector type for convenient usage with added dependability NEMA 5-15R receptacle type provides secure, reliable connection with added productivity Line-interactive UPS with fax machine application/usage to ensure maximum usability and reliable power supply 120 V AC input voltage for maximum feasibility and added productivity 120 V AC output voltage for maximum dependability and added productivity Lead Acid battery chemistry delivers energy to the fax machine through an easily controlled reaction Prevent critical data loss by staying powered during a blackout with up to 1050 W load capacity