P91-2000 vs Eaton 9PX2000RT
The P91-2000 and Eaton 9PX2000RT are both true online double-conversion VRLA UPS providing continuous sine-wave output for critical IT, network, AV, and edge infrastructure. The P91-2000 differentiates with higher usable watts, much faster recharge, greater runtime scalability, lighter weight, and full TAA compliance.
What the P91-2000 brings
- Higher usable watts (1930 W vs 1800 W)
- Much faster recharge (<3 h vs 8 h)
- Greater runtime scalability (up to 7 packs vs 4)
- Programmable 1–8 A charger vs a fixed charger
- Shallower and notably lighter; better altitude; TAA
Side-by-side specifications
| Specification | Xtreme Power P91-2000 | Eaton 9PX2000RT | Advantage |
|---|---|---|---|
| Capacity | 2000 VA / 1930 W | 2000 VA / 1800 W | P91 – higher usable watts |
| Topology | Online double-conversion | Online double-conversion | Equal topology |
| Battery chemistry | VRLA | VRLA | Equal |
| Recharge time | <3 hours | 8 hours | P91 – faster recovery |
| Extended runtime | Up to 7 external packs | Up to 4 external packs | P91 – greater scalability |
| Charger | Programmable high-capacity (1–8 A) | Fixed charger | P91 – faster with large systems |
| Dimensions (W×D×H) | 17.2 × 20.0 × 3.4 in | 17.2 × 23.8 × 3.4 in | P91 – shallower depth |
| Weight | 43 lb | 61.5 lb | P91 – much lighter |
| Operating altitude (40°C) | Derates above 6,500 ft | Derates above 4,921 ft | P91 – better at altitude |
| TAA compliance | Yes | No | P91 – federal procurement |
| Warranty | 3 years | 3 years | Equal coverage |
Specifications from Xtreme Power’s supplied P91-2000 vs Eaton 9PX2000RT comparison; confirm against current vendor documentation. Both are online double-conversion VRLA platforms.
Choosing between them
Equivalent online VRLA protection and warranty. The P91-2000 leads on usable watts, recharge, scalability, charger, depth, weight (by 18 lb), and altitude, plus TAA; the Eaton fits Eaton-standardized, controlled environments.
Choose the P91-2000 if you need
- Long-runtime installs requiring fast recharge
- Edge, IDF, and MDF environments with limited rack depth
- TAA-restricted federal, education, and public-sector projects
- Higher-elevation or warmer operating environments
The 9PX2000RT may fit if you need
- Existing Eaton-standardized UPS environments
- Modest / standard runtime requirements
- Well-cooled, low-altitude IT rooms where TAA isn’t required
Related comparisons
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