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
