Vertiv Liebert PSI5 2200RT120LI 1,920 W Lithium-Ion UPS | Tower

Maintain uptime for essential infrastructure with the Vertiv Liebert PSI5 Lithium-Ion UPS. Built for demanding desktop and tower deployments, this 1,920 W, 1,920 VA unit pairs line-interactive power conditioning with lithium-ion battery technology to support critical loads through brief outages and unstable utility power. With 9 minutes of runtime at full load and 20 minutes at half load, it gives IT teams enough margin to ride through interruptions, complete controlled shutdowns, or bridge to generator power. The lithium-ion battery design is a strong fit for teams that want longer service life and less battery maintenance than traditional lead-acid systems. This model is well suited for server rooms, network closets, and edge deployments where power quality matters and downtime is expensive. Its tower form factor keeps deployment straightforward while delivering the capacity needed for higher-density equipment. For organizations comparing UPS options, the PSI5 Lithium-Ion stands out by combining substantial output capacity with battery technology designed for lower lifecycle friction and stronger long-term value.