The Xtreme Power Conversion P91-1500 and the Vertiv Liebert GXT5-1500LVRT2UXL are true online, double-conversion UPS systems using VRLA battery technology, designed to protect mission-critical IT, networking, and edge infrastructure. Both deliver continuous sine-wave output and enterprise-grade power protection.
However, the P91-1500 differentiates itself with higher usable output power and inherent TAA compliance, which can be a requirement for federal, education, healthcare, and other regulated procurement environments.

1500VA / 120V Rack-Mount Online UPS Comparison

Feature XTREME POWER P91-1500 Vertiv Liebert GXT5-1500LVRT2UXL XPCC Advantage
UPS Capacity 1500VA / 1450W 1500VA / 1350W Higher usable watt capacity supports more real-world load
Topology Online Double Conversion Online Double Conversion Equivalent enterprise-grade protection
Form Factor Rack / Tower Convertible (2U) Rack / Tower Convertible (2U) Equivalent installation flexibility
UPS Depth ~16.1 in ~18.6 in Optimized rack fit and rear cable clearance
Battery Technology VRLA VRLA Equivalent chemistry
Hot-Swappable Batteries Yes Yes Batteries can be replaced without downtime
Warranty 3 years electronics
3 years batteries
3 years electronics
3 years batteries
Equivalent standard coverage
TAA Compliance Yes (Manufactured in Taiwan) Optional (TAA-specific SKU) P91 is inherently compliant without special part numbers

Where the P91-1500 Excels

  • Federally funded and TAA-restricted procurement environments
  • Edge, IDF, and MDF deployments where higher usable watt output matters
  • Installations requiring simplified compliance without special SKUs
  • Space-constrained racks benefiting from shorter depth and better cable clearance
  • Projects prioritizing procurement clarity and predictable specifications

When Vertiv Liebert GXT5-1500LVRT2UXL May Be a Fit

  • Existing Vertiv-standardized UPS environments
  • Deployments where a TAA-specific variant can be specified
  • Climate-controlled IT rooms with standard rack depth
  • Projects aligned to Vertiv service or monitoring ecosystems

Who Should Choose Which

Choose Xtreme Power Conversion P91-1500 if you need:

  • Higher usable watt capacity from a 1500VA UPS
  • Built-in TAA compliance for government, education, and public-sector projects
  • Simplified procurement without managing alternate SKUs
  • A shallower rack-mount design for space-limited installations

Choose Vertiv Liebert GXT5-1500LVRT2UXL if you need:

  • Alignment with an existing Vertiv infrastructure strategy
  • Optional TAA compliance through a specific configured model
  • Deployment in well-cooled, standard rack environments

Ideal Applications

  • IT and network racks
  • Edge computing and micro data centers
  • IDF and MDF closets
  • Government, education, and public-sector installations
  • Space-constrained rack environments

Download the Printable Comparison

Download the Xtreme P91-1500 – Vertiv GXT5 1500LVRT2UXL Comparison PDF
https://xpcc.com/wp-content/uploads/Xtreme-P91-1500-Vertiv-GXT5-1500LVRT2UXL-Comparison.pdf

(Ideal for specification reviews, project planning, and internal approvals)

Plan with Confidence

Request a Quote
Speak with an Xtreme Power Conversion specialist to size the right UPS and battery configuration for your application.

Xtreme Power Conversion
Phone: (800) 582-4524
Email: sales@xpcc.com