Vertiv Liebert PSI5-750VA AVR Mini Tower UPS Battery Backup


The Vertiv Liebert PSI5-750MT120 uninterruptible power supply (UPS) is designed to protect and extend the life of your electronic devices in school, home and office.

This 750VA UPS tower offers cost-effective protection from downtime and damage caused by power outages, brownouts, sags, surges or noise interference. Automatic Voltage Regulation (AVR) extends battery life and safeguards critical equipment. Voltage regulation is from 83 to 159 VAC without using the battery.

  • POWER PROTECTION:  The 750VA UPS has AVR to correct power disturbances.
  • ‌MORE USABLE POWER: This single phase line interactive UPS has 0.9 output power factor.
  • ‌NO INSTALLATION: This plug-and play battery backup does not need installation or rack space.
  • ‌REMOTE MANAGEMENT CAPABILITY: Add a communication card to this UPS to monitor devices remotely.
  • PROGRAMMABLE OUTLETS: Get 5 total outlets with 2 programmable outlets to prioritize critical loads.
Best Suited For:
    • Banking, Financial and Insurance
    • Education
    • Government
    • Healthcare
    • Retail and Wholesale

Warranty: 2-year Vertiv UPS warranty with optional extensions for up to 5 years total coverage


  • Offers a plug-and-play battery backup that does not require installation or rack space.
  • Options for communication card for remote monitoring of devices.
  • With advanced pure sine wave output, the Vertiv Liebert PSI5 UPS compensates for power fluctuations, protects against equipment damage, and prevents data loss during a power disturbance.  
  • The Vertiv no-hassle, advanced replacement warranty covers all shipping fees and includes next-day delivery, which ensures customers will receive their replacement UPS prior to returning their damaged unit with no questions asked.   


  • Advanced, pure sine wave output power on battery 
  • 0.9 power factor, which means more usable power for connected devices
  • Voltage regulation from 83 to 159 VAC without using the battery
  • Less than 6 milliseconds transfer time to battery
  • Plug-and-play solution requires no installation and no rack space
  • RJ-45 for data line surge protection
  • Options for communication card for remote monitoring of devices. 

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