Vertiv Liebert PSI5 Lithium-Ion UPS

15th July 2020   |   Data Communications   |   Product Spotlight

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Lithium batteries are more efficient when it comes to charging and durability. The Liebert PSI5 Lithium-Ion UPS units last twice as long, has faster recharge time, greater power density, and can endure up to 10x more discharge cycles. Compared to traditional valve-regulated-lead-acid batteries lithium-ion batteries have double the life span of up to 10 years. Fewer battery replacements means less expenses accrued over time.

Lithium-Ion vs. Liebert PSI5

Lithium-Ion Key vs VRLA (valve-regulated-lead-acid)

  • 2x battery life
  • Lower TCO
  • 5 year standard warranty on UPS and Batteries
  • Quicker recharge times
  • Up to 10x more discharge cycles
  • Long Runtime

Included With The Liebert PSI5

  • UPS Unit
  • USB Type A to USB Type B cable 1.8 meter (6ft) in length
  • Printed quick start guide with safety instructions
  • Adjustable 4 post rack mounting kit
  • Support base for tower configuration
  • TrellisTM Power Insight (free download)


Full Sequenced Battery Testing

The Liebert® PSI5 UPS includes an automatic and manual self-diagnostic test. This feature automatically alerts you when the internal batteries need replacing, it also provides a comprehensive analysis of the condition of the batteries within the UPS.

Advanced Early Warning of UPS System Status

Audible and visual alarms are available to alert you of any input voltage fluctuation (buck/boost), output overload, low battery or replace battery condition.

Configurable Input Voltage Window

Properly match the UPS to incoming utility power and adjust input window and transfer points to ensure regulated power to connected loads is within the selected range

Programmable Outlet Group

Extend run time when on battery power by power-cycling connected equipment and shedding less-critical loads.

Additional Benefits

  • Fewere battery replacements and more runtime
  • Higher power density and quicker recharge
  • More discharge cycles
  • High availability 0.9 output power
  • Up to seven battery-backed outlets and USB communications
  • Remote emergency power off and power management software


Please contact us with any questions or concerns you may have. E.B. Horsman & Son has specialists on site who can attend to your inquiries. Download the spec sheet for more detailed information.

Inquire Liebert PSI5 Specs

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