Vertiv Liebert PSI5 Lithium-Ion UPS 1500VA/1350W 120V Line Interactive AVR – 2U Rack/Tower| Remote Management Capable| With Programmable Outlets| 5-Year Advanced Replacement Warranty PSI5-1500RT120LI


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Vertiv Liebert PSI5 Lithium-Ion UPS 1500VA/1350W 120V Line Interactive AVR – 2U Rack/Tower| Remote Management Capable| With Programmable Outlets| 5-Year Advanced Replacement Warranty

The Vertiv Liebert PSI5 Lithium-Ion uninterruptible power supply (UPS) is designed to safeguard critical equipment in edge and distributed IT applications. This 1500VA 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. This line interactive UPS system provides reliable protection and pure sine wave output on battery for servers and networking equipment. With up to 17.7 minutes of runtime at half load and 7.5 minutes at full load, this reliable UPS system provides plenty of runtime on battery during an outage for an orderly shutdown. It comes with a rotating LCD display to allow both rack and tower configurations. It allows remote management and environmental monitoring with additional communication card and sensors.

More from the Manufacturer


  • Lithium-ion batteries last twice as long or longer than traditional VRLA batteries.
  • The Lithium-Ion UPS offers low total cost of ownership with fewer or no battery replacements over its lifetime.
  • Get a five-year advanced replacement warranty including battery.
  • This 1500VA UPS offers longer runtime with up to 7.5 minutes at full-load and 17.7 minutes at half-load.
  • With faster recharges, you have 100% capacity in 2 hours or less in this rack/tower battery backup.

Guides & Documents

Specifications are provided by the manufacturer. Refer to the manufacturer for additional explanations. Product may not be exactly as shown.

Environmental Conditions
Maximum Operating Temperature 104°F (40°C)
Battery Information
Battery Life 10 Year
Battery Chemistry Lithium Ion (Li-Ion)
Hot Swappable Yes
Backup/Run Time (Half Load) 18 Minute
Backup/Run Time (Full Load) 8 Minute
Typical Battery Recharge Time 2 Hour
Network (RJ-45) Yes
Modem (RJ-11) Yes
Serial Port No
EPO Port Yes
General Information
Product Type Line-interactive UPS
Manufacturer Part Number PSI5-1500RT120LI
Manufacturer Website Address
Manufacturer Vertiv
Product Name PSI5-1500RT120LI 1500VA Rack/Tower UPS
Product Series PSI5
Brand Name Liebert
Package Contents
  • PSI5-1500RT120LI 1500VA Rack/Tower UPS
  • Rack Mount Kit And Hardware
  • USB Cable
  • Safety Manual
  • Quick Installation Guide
Software Included Power Insight 2.2
Certifications & Standards
    • UL 1778, 5th Ed.
    • CSA 22.2
    • FCC Part 15 Class B
    • FCC
    • UL
    • c-UL
    • NOM
    • ANSI C62.41 Category A, Level 3
    • ISTA 2A
Country of Origin China
Environmentally Friendly Yes
Environmental Certification REACH
TAA Compliant No
Energy Star No
Physical Characteristics
Weight (Approximate) 28.30 lb
Form Factor Rack/Tower
Rack Height 2U
Height 3.4″
Width 17.2″
Depth 16.1″
Product Color Black
Power Description
Circuit Breaker Yes
Input Voltage 120 V AC
120 V AC
Output Voltage 120 V AC
120 V AC
Waveform Type Pure Sine Wave
Input Voltage Range 75 V AC – 146 V AC
75 V AC – 146 V AC
Technical Information
Application/Usage Network Equipment
Mission Critical Equipment
Dataline Protection RJ-11
Plug/Connector Type NEMA 5-15P
Cord Length 10 ft
Phase Single Phase
Receptacle Type NEMA 5-15R
EMI/RFI Noise Filter Yes
Transfer Time 4 ms
Receptacle Detail 6 x NEMA 5-15R


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