CyberPower PR1000LCDRTXL2U Smart App Sinewave UPS System, 1000VA/900W, 8 Outlets, AVR, 2U Rack/Tower 1000VA/900W Smart App Sinewave Battery Backup Uninterruptible Power Supply (UPS) System - designed to support Active PFC and conventional power supplies. SNMP/HTTP remote monitoring available with optional RMCARD205 (sold separately) 8 BATTERY BACKUP AND SURGE PROTECTED NEMA 5-15R OUTLETS: Safeguard corporate servers, department servers, storage appliances, network devices and telecom installations INCREASED RUNTIME OPTION: Add up to ten (10) BP48V45ART2U External Battery Packs to increase total runtime AUTOMATIC VOLTAGE REGULATION (AVR): Corrects minor power fluctuations without switching to battery power, thereby extending the life of the battery 3-YEAR WARRANTY  INCLUDING THE BATTERIES, $400,000 Connected Equipment Guarantee and FREE PowerPanel Business Edition Management Software (Download)