A mini-tower UPS with line interactive topology, the CyberPower Smart App Sinewave PR1500LCD 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 PR1500LCD 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 PR1500LCD comes with a three-year warranty and a $375,000 Connected Equipment Guarantee.