Working with our Vertiv Sales team enables complex designs to be configured to your unique needs. If you are an organization seeking technical guidance on a large project, Vertiv can provide the support you require.

Learn More

Many customers work with a Vertiv reseller partner to buy Vertiv products for their IT applications. Partners have extensive training and experience, and are uniquely positioned to specify, sell and support entire IT and infrastructure solutions with Vertiv products.

Find a Reseller

Already know what you need? Want the convenience of online purchase and shipping? Certain categories of Vertiv products can be purchased through an online reseller.


Find a Reseller

Need help choosing a product? Speak with a highly qualified Vertiv Specialist who will help guide you to the solution that is right for you.



Contact a Vertiv Specialist

Product Model

PSI5-1500MT120LI

The Vertiv™ Liebert® PSI5 Lithium-Ion uninterruptible power supply (UPS) is designed to safeguard critical equipment in edge and distributed IT applications. This 1500VA Mini Tower UPS offers more than double the battery life of a traditional VLRA UPS, and comes with a five-year advanced replacement warranty. This Lithium-Ion battery backup also includes automatic voltage regulation (AVR) technology to further extend battery life and provides premium protection from power disturbances.

Get Brochure Get Manual
Login to Save for Later
Key Benefits
LITHIUM-ION BATTERIES: Lithium-ion batteries last twice as long as traditional VRLA batteries, or longer.
LOW TOTAL COST OF OWNERSHIP: Fewer or no battery replacement over the life of the Vertiv™ Liebert® PSI5 Lithium-Ion UPS.
5-YEAR STANDARD WARRANTY: Vertiv™ backs this UPS system with a 5-year warranty including batteries.
LONGER RUNTIME: This 1500VA UPS offers up to 7.5 minutes of runtime at full-load and 17.7 minutes at half-load.
FASTER RECHARGES: Get 100% capacity by recharging in 2 hours or less in this mini tower UPS.
Best Suited For:
  • Education
  • Banking, Financial and Insurance
  • Government
  • Healthcare
  • Retail and Wholesale
Warranty: Vertiv backs all Liebert® PSI5 Lithium-Ion UPS systems with 5-year advanced replacement warranty including battery. This covers all shipping fees and includes next-day delivery, which ensures customers will receive their replacement unit prior to returning their aged unit.

Sustainability Spotlight

  • Lithium-ion batteries require less onsite maintenance, reducing truck rolls and avoiding associated carbon emissions.
  • Lithium-ion batteries have a longer life, reducing waste and material consumption.
  • Lithium-ion batteries use less material for equal output and up to 99% of the battery elements are recyclable.

Benefits

Lower Total Cost of Ownership (TCO), PSI5-Lithium-Ion batteries last up to three times as long resulting in fewer battery replacements
5 year standard warranty on the UPS and batteries
Longer battery runtime and quicker battery recharge times
Eligible for the Vertiv™ Trade-In Program. Contact a Vertiv partner for discount rates and to calculate your savings

Features

0.9 Output Power Factor delivers more usable power, saving space and costs 
Tower, 2U Rack/Tower and 3U Short Depth Rack/Tower models available 
Up to ten battery-backed outlets 
Pure Sinewave Output
Programmable outlets 
 Hot-swappable, user-replaceable batteries
Plug and Play installation
Wide input voltage window to prolong battery life
Advance early warning of UPS system status issues 
USB communications for UPS status monitoring and management
SNMP support 
Optional Liebert® IntelliSlot™ IS-UNITY communications card for remote monitoring and control
Remote emergency shut down capability via EPO port

The Vertiv™ Liebert® PSI5 Lithium-Ion UPS provides power protection for critical equipment in edge and distributed IT applications. Lithium-ion batteries provide more than double the useful life of traditional VLRA batteries, resulting in up to 60% TCO savings or more. The UPS uses AVR technology to further extend battery life and offers 2-4 times the runtime of comparable UPS systems at full load. It also comes with a rotating LCD display to allow both rack and tower configurations.

PSI5-1500MT120LI
Product Overview
Power Rating
1500VA / 1350W
Input Voltage
Nominal: 120VAC / Range: 75-146VAC
Output Voltage
120VAC Default; 100/110/115/125VAC User Selectable
Efficiency
Up to 97.1% (Normal Mode)
Wiring
Input: 5-15P; Output: 6 x 5-15R
Interfaces/Ports
Interface Options
Optional communications card (Liebert® IntelliSlot™ UNITY), USB, EPO connector
Protocols
SNMP and web management enabled with optional Liebert® IntelliSlot™ UNITY communications card
Control Panel
Rotatable LCD display provides flexible installation options (rack/tower)
Service Access
Front Access (hot-swappable battery kits)
Operational Conditions
Operating Temperature
32° to 104° F (0° to 40° C)
Miscellaneous
General
Pure sinewave output on battery
Listings
UN38.3, UL 1778, c-UL-us Listed, NOM, FCC Part 15, Class B
Topology
Line-interactive (automatic voltage regulation)
Tools & Selectors
Select, compare, or configure UPS systems and models
TCO Calculator
Calculate total cost of ownership for Lithium-ion UPS vs. VRLA
Runtime Tool
Get detailed runtime information for various load levels
UPS Selector
Interactive product selector for single-phase UPS

*To see model-specific downloads, you will need to go to the model-specific product page by selecting the model name in the specifications chart above.

Find Your Area Contact

Products Support Contacts

Showing contacts for Ohio, 43215, USA Change
Vertiv (Liebert Services)
+1 800 543 2378
610 Executive Campus Drive Westerville Ohio 43082 USA
Product areas of focus: Uninterruptible Power Supplies (UPS), Power Distribution, Thermal Management, Integrated Solutions, Racks and Containment
Partner Login

Language & Location