The CyberPower CP800AVR uninterruptible power supply (UPS) system provides battery backup and surge protection for lightning-induced surges and other power events that can damage electronic equipment. This UPS, with line-interactive topology, uses simulated sine wave output to deliver battery backup to power connected electronics during a utility power failure. The unit has enough runtime to perform a graceful shutdown to protect against the loss of data and damage to valuable desktop computers, workstations, networking devices, and home entertainment systems. 800 VA load capacity provides sufficient backup during power failures Prevent critical data loss by staying powered during a blackout with up to 450 W load capacity Keep your sensitive devices powered with a backup of up to 1.2 minute at full load