The Powerware 5110 uninterruptible power system (UPS) was designed to provide the best UPS power protection against the threats that lurk in public utilities. This line-interactive UPS system delivers the ultimate in power quality, constantly safeguarding your equipment from power outages, surges, sags, brownouts, and over-voltage conditions—while also providing varying degrees of power management for additional threats. If utility power is interrupted, even briefly, the Powerware 5110 transfers to UPS battery power.Typical Backup Time at full load: 3 minutes, at half load: 9 minutes