Device Type: Online Double-Conversion Tower UPS (High Capacity) Model/Part Number: Shield T120U Smart Capacity: 20KVA / 20KW (Unity Power Factor) Topology: True Online Double-Conversion (Zero Transfer Time) Output: Pure Sine Wave, 220/230VAC, 50/60Hz Data Ports: RS232, USB, SNMP, EPO (Emergency Power Off), Dry Contact Display: LCD/LED Status Display Battery: Sealed Lead-Acid (Internal Batteries Typically Included) Efficiency: >90% (Typically; Up to 95% Online / 98% ECO per related T120Ui model) Form Factor: Tower Design Key Specs: Shield T120U Smart, 20KVA/20KW Online UPS, Double-Conversion, Zero Transfer Time, Pure Sine Wave, LCD/LED Display, RS232/USB/SNMP/EPO, Tower Design, High-Capacity Power Protection Usage: Data Centers, Server Rooms, Industrial Applications, Mission-Critical IT Infrastructure, Telecoms, Large Enterprise Power Backup