3000VA 208/230V Online Lithium Rack UPS Comparison
Lithium rack UPS systems are widely deployed in IT, network, AV, and edge environments requiring long battery life, fast recharge, and compact rack protection. The Xtreme Power P91g-3kLi and Vertiv Liebert GXT5LI-3000IRT2UXL are both 208/230 V online double-conversion lithium UPS platforms designed for these applications.
While both systems use LiFePO₄ batteries and deliver similar power capacity in a 2U rack format, the P91g-3kLi provides significantly longer runtime at rated load, faster recharge, longer battery calendar life, and TAA compliance.
For deployments prioritizing lithium lifecycle durability, runtime performance, and government eligibility, the P91g-3kLi delivers a high-performance 208/230 V rack UPS platform.
Learn more about the Xtreme Power P91g Lithium UPS
https://xpcc.com/products/p91g-li-1-3kva/
Key Differentiators at a Glance
- Much longer runtime at rated load
- Faster recharge recovery
- Up to 15-year LiFePO₄ battery life
- TAA-compliant lithium UPS
- Longer full-system warranty
- High-density 208/230 V rack platform
3000VA 208/230V Lithium UPS Feature Comparison
208/230V Rack Applications
| Feature | Xtreme Power P91g-3kLi | Vertiv GXT5LI-3000IRT2UXL | Notes / Considerations |
| Battery Chemistry | Lithium Iron Phosphate (LiFePO₄) | Lithium Iron Phosphate (LiFePO₄) | Equal chemistry |
| Capacity | 3000VA / 2700W | 3000VA / 2700W | Equal usable power |
| Topology | Online double conversion | Online double conversion | Equivalent protection |
| Runtime (internal) | 11 min @ 2700W | 6.5 min @ 2700W | Much longer runtime |
| Recharge Time | ~1.5 hr to 90% | <2 hr typical | Faster recharge |
| Battery Calendar Life | Up to 15 years | 8–10 years | Longer life |
| Efficiency (online) | Up to 94% | Up to 94% | Equal efficiency |
| Form Factor | 2U rack (23.8 in depth) | 2U rack (21.5 in depth) | Vertiv shorter |
| TAA Compliance | Yes | No | Federal eligible |
| Warranty | 6-year UPS + battery | 5-year lithium | Longer coverage |
Download the Printable Comparison
Download the Xtreme Power P91g Vertiv GXT comparison PDF
Ideal for engineering submittals, bid reviews, and procurement evaluations.
https://xpcc.com/wp-content/uploads/Xtreme-P91g-3000-Vertiv-Liebert-GXT5-3000IRT2UXL-Comparison.pdf
Where the P91g-3kLi Excels
- Long-life lithium UPS deployments
- Applications needing extended runtime
- Federal / public-sector installations
- Edge and distributed IT environments
- Sites prioritizing lifecycle durability
- Installations needing longer backup at load
When Vertiv GXT5LI May Be a Fit
- Facilities standardized on Vertiv UPS
- Existing Vertiv lithium deployments
- Installations prioritizing shorter depth
Who Should Choose Which?
Choose the Xtreme Power P91g-3kLi if you need:
- Much longer runtime at rated load
- Up to 15-year lithium battery life
- Faster recharge recovery
- TAA-compliant lithium UPS
- Extended full-system warranty
- 208/230 V rack lithium platform
Choose Vertiv GXT5LI-3000IRT2UXL if you need:
- Alignment with Vertiv infrastructure
- Consistency with existing Vertiv lithium UPS
- Shorter rack depth requirement
Compare P91g to Other 208/230V Lithium UPS Platforms
Evaluating lithium UPS options for rack deployments?
View all P91g lithium UPS comparisons:
https://xpcc.com/p91-li-ups-comparisons/
Plan With Confidence
Xtreme Power Conversion supports lithium UPS selection, runtime planning, and lifecycle deployment for IT, AV, telecom, and distributed infrastructure environments.
(800) 582-4524
sales@xpcc.com