Vertiv Liebert PSI5 Lithium-Ion UPS 1920VA/1920W 120V AVR Rack/Tower

The Vertiv Liebert PSI5 Lithium-Ion UPS delivers enterprise-class protection for your most critical edge and distributed IT equipment. Engineered with advanced lithium-ion battery technology, this UPS combines long battery life with lightweight efficiency, helping you minimize downtime and maintenance while maximizing uptime. With a 1920VA/1920W capacity at 120V and flexible rack/tower mounting, it’s designed to fit compact spaces and evolving infrastructure—perfect for edge data centers, network closets, small offices, and remote locations that demand dependable power conditioning and rapid, reliable backup.

• Powerful lithium‑ion UPS with 1920 VA / 1920 W at 120 V: A compact, high‑density solution that protects critical equipment from outages, sags, and surges while maintaining clean, stable power for servers, networking gear, and storage devices.
• Rack or tower configuration for flexible deployment: The PSI5 mounts quickly in standard IT racks or stands on the floor as a tower, enabling seamless integration into tight spaces, edge closets, or distributed IT deployments.
• Advanced AVR and power conditioning: Automatic Voltage Regulation ensures stable output even when the incoming supply fluctuates, shielding sensitive electronics from voltage irregularities and prolonging equipment life.
• Intelligent management and remote monitoring: Built with modern management capabilities and easy integration with Vertiv software tools, giving you real‑time visibility, proactive alerts, and streamlined maintenance planning.
• Long‑life lithium‑ion battery chemistry with lower maintenance: Lithium‑ion packs offer longer cycle life and faster recharge, reducing replacement frequency and total cost of ownership while delivering reliable backups when you need them most.

Technical Details of Vertiv Liebert PSI5 Lithium-Ion UPS 1920VA/1920W 120V AVR Rack/Tower

• Model: Vertiv Liebert PSI5 Lithium-Ion UPS, 1920 VA / 1920 W, 120 V input/output, Rack/Tower configuration
• Battery chemistry: Lithium‑Ion
• Output power: 1920 W / 1920 VA
• Input/output voltage: 120 V AC
• Form factor: Rack‑mount compatible and tower capable
• Power conditioning: Automatic Voltage Regulation (AVR) for clean, stable output
• Target environments: Edge computing, distributed IT, network equipment, and small data center applications
• Management and monitoring: Built‑in intelligent management with compatibility for Vertiv software and remote monitoring

How to Install Vertiv Liebert PSI5 Lithium-Ion UPS 1920VA/1920W 120V AVR Rack/Tower

• Plan placement and orientation: Determine whether the unit will be rack-mounted or placed in tower mode. Ensure the installation location has adequate ventilation, clearance for service access, and a stable surface. Avoid cluttered areas and direct exposure to heat sources or moisture.
• Mounting and positioning: For rack installation, use the supplied rails and hardware to secure the UPS in the appropriate rack height. If using as a tower, place it on a flat, stable surface with sufficient airflow around all sides.
• Connect the input and outlets: Connect the UPS input cord to a properly grounded 120 V AC power source. Plug protected devices—servers, networking gear, storage devices—into the UPS outlets, ensuring total load does not exceed the 1920 W rating.
• Configure management and AVR settings: Power on the unit and access any built‑in LCD interface or connected management software. Enable AVR as needed for your site utility conditions, set alarm preferences, and configure notification channels to suit your maintenance workflow.
• Test and validate: Run a basic self‑test and a controlled transfer test to verify that outlets switch to battery power smoothly and that connected devices stay protected during the transition. Establish a regular battery health check schedule and plan for periodic firmware updates if available.

Frequently asked questions

• Q: What are the main advantages of lithium‑ion chemistry in the PSI5 UPS?

  A: Lithium‑ion batteries provide longer life, lighter weight, faster recharge, and a smaller footprint compared to traditional lead‑acid batteries. This translates to longer intervals between replacements, less maintenance, and lower total cost of ownership, especially in edge and distributed IT environments where space and uptime are critical.

• Q: Is the PSI5 suitable for rack and floor installations?

  A: Yes. The PSI5 is designed for flexible deployment as either a rack‑mount unit or a freestanding tower, making it adaptable for data centers, network rooms, and edge sites with varying space constraints.

• Q: Does the PSI5 provide automatic voltage regulation (AVR)?

  A: Absolutely. AVR helps stabilize fluctuating input voltages to deliver clean, consistent power to critical equipment, reducing wear and extending component life in environments with irregular power quality.

• Q: How can I monitor the UPS status remotely?

  A: The PSI5 includes built‑in management features and supports Vertiv software tools for remote monitoring, alerts, and diagnostics, enabling proactive maintenance and rapid response to power events.

• Q: What maintenance is required for lithium‑ion batteries in this UPS?

  A: Lithium‑ion batteries typically require less frequent replacement and maintenance than lead‑acid batteries. It’s recommended to perform regular self‑tests, monitor battery health via the management interface, and schedule periodic firmware updates and inspections according to your organization’s IT policies.