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Rectangular 2U rackmount UPS in dark grey metal with front LCD panel and multiple rear outlets

Vertiv

Vertiv PSI5-2200RT120LI UPS 1920VA/1920W 120V Lithium-Ion 2U Rack/Tower

SKU CH-91PM-X0EJA MPN PSI5-2200RT120LI

Lithium-ion UPS delivers 1920 VA pure sine-wave power with 10-year battery life in a 2U rack/tower

  • Voltage version120VAC Default; 100/110/115/125VAC User Selectable
  • AC input voltage75-146 VAC
  • Input line frequency55 to 65 Hz (57 to 63 Hz Battery to Normal Comeback)
  • Power inputNEMA L5-20P (5-20 Adapter included)
  • Volt-ampere rating1920 VA
  • Power rating1920 W

Model PSI5-2200RT120LI

  • Lithium-ion battery delivers 10-year service life reducing replacement cycles
  • Pure sine wave output protects sensitive equipment from harmonic distortion
  • 2U rack or tower form factor fits standard enclosures
  • Seven outlets including NEMA L5-20R and six NEMA 5-20R support diverse loads
  • Two-hour recharge to 90 percent restores backup readiness quickly

Rack/Tower UPS for 120V Networks

The Vertiv PSI5-2200RT120LI is a line-interactive uninterruptible power supply rated at 1920VA and 1920W. It uses lithium-ion cells with a ten-year design life and fits in a 2U rack or tower footprint. The unit targets IT managers protecting servers, network gear or edge equipment that require pure sine-wave output and automatic voltage regulation across a 75-146 VAC input window.

Lithium-Ion Build with Flexible Outlets

A replaceable LiFe battery pack meets UL 1642, UL 1973 and UL 1778 standards and recharges to 90 percent in two hours. The rear panel provides seven receptacles: one NEMA L5-20R and six NEMA 5-20R, plus a USB port for monitoring. An included 5-20 adapter lets the L5-20P input plug into a standard 20A branch circuit. The LCD status screen and circuit breaker are visible whether the chassis is racked or stood upright.

Replaces Lead-Acid Units When Weight

The lithium chemistry cuts weight to 39.5 lbs and eliminates the two-to-three-year battery swap cycle of valve-regulated lead-acid designs. The upgrade is worthwhile for sites that need longer runtime at half load (19.0 minutes) or faster recharge between outages. Buyers who need extended runtime beyond 19 minutes at half load or who require three-phase input should look elsewhere.

How it compares

Measured against everything we stock in Uninterruptible Power Supplies (UPS), at today’s prices. Recalculated every night.

Price $2,005.99
Pricier than about 74% of the 1,153 comparable items (median $948.99).

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Specifications

Product
Brand nameLiebert
Product linePSI5
Model namePSI5-2200RT120LI
Ports & slots
Communication portsUSB
Power
Voltage version120VAC Default; 100/110/115/125VAC User Selectable
AC input voltage75-146 VAC
Input line frequency55 to 65 Hz (57 to 63 Hz Battery to Normal Comeback)
Power inputNEMA L5-20P (5-20 Adapter included)
Volt-ampere rating1920 VA
Power rating1920 W
Voltage output120 VAC Default; 100/110/115/125 VAC User Selectable
Power outlets7
Battery typeLithium Ion
Runtime on batteryFull load: 8.6 min
Half load: 19.0 min
Battery charge time2hrs to 90%
Size & build
Rack mounting2U Rack / Tower
Product dimensions3.38 in × 17.24 in × 20.07 in
Product weight39.5 lb (17.9 kg)
Shipping weight31.80 kg
Package size673 × 569 × 259 mm
Environment & compliance
Regulatory approvalsUL 1642 (LiFe cells), UL 1973 (LiFe pack), UL 1778, CSA 22.2 no. 107.3
Temperature rangeOperating Temperature,°F (°C): 32° to 104° (0° to 40°)
Storage Temperature °F (°C): 5° to 120° (-15° to 50°)
Humidity range20% - 90%, non-condensing
More details
Surge protectionANSI C62.41, Category A, Level 3

Other versions of this model

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Questions about this item

What does the USB interface on the PSI5-2200RT120LI actually let me monitor or control?

The USB port provides communication for power management software to track UPS status, battery health, and trigger graceful shutdowns of connected servers or workstations during extended outages.

What physical space and mounting hardware does the 2U rack/tower design require?

The unit measures 3.38" high, 17.24" wide, and 20.07" deep, weighing 39.5 lbs. It fits a standard 2U rack opening and includes hardware for both rackmount and tower orientations.

How do I install the PSI5-2200RT120LI and what is the most common setup mistake?

Mount or place the UPS, connect the NEMA L5-20P input (using the 5-20 adapter if needed), attach loads to the one L5-20R and six 5-20R outlets, then configure the output voltage via the LCD. The step often missed is setting the correct user-selectable voltage (100/110/115/125 VAC) before powering on equipment.

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