Vertiv Liebert PSI5 Lithium-Ion TAA UPS SNMP/Webcard 1920VA/1920W 120VThe Vertiv Liebert PSI5 Lithium Ion TAA UPS is engineered to safeguard critical equipment in edge and distributed IT deployments. With a 1920 VA rating, this UPS delivers reliable, high efficiency power protection for servers, networking gear, and storage in remote or space constrained environments. Its lithium ion battery technology provides up to 3x the life of traditional VLRA batteries, reducing maintenance intervals and total cost of ownership