Built-in automatic voltage regulation (AVR) boosts brownouts and reduces overvoltages back to usable 120V nominal levels. 12 widely spaced AC outlets accommodate large transformer blocks without obscuring adjacent outlets. 750VA/450W power-handling ability supports a variety of home theater equipment, workstations, and other sensitive electronics. Single-line tel/DSL and coaxial line surge suppression protects modems, fax machines, cordless phones, CATV, satellite, or broadcast antenna connections. USB port, including cable and PowerAlert Software offers safe, unattended shutdown without data loss during extended outages. Hot-swappable battery via battery access door allows for easy user battery replacement. System VA: 750 VA; Backup Time at Half Load: 10 minutes @ 225 Watts.