A rack/tower convertible UPS with line interactive topology, the CyberPower Smart App Sinewave PR1000LCDRTXL2U provides battery backup, power protection (using sine wave output), and surge protection for corporate servers, department servers, storage appliances, network devices, and telecom installations requiring Active PFC power source compatibility. The PR1000LCDRTXL2U uses Automatic Voltage Regulation (AVR) to correct minor power fluctuations without switching to battery power, which extends battery life. AVR is essential in areas where power fluctuations occur frequently. The PR1000LCDRTXL2U comes with a three-year warranty and a $400,000 Connected Equipment Guarantee. Works adequately in situations where the supply is prone to sags and surges 1000 VA load capacity - work without any interruption during power outages 900 W load capacity - backup power for your valuable electronics Keep your sensitive devices powered with a backup of up to 9 minute at full load