P91g-3000 vs Eaton 9PX3000GRT
The P91g-3000 and Eaton 9PX3000GRT are both 208/230 V online double-conversion VRLA UPS in a 2U rack format for IT, network, AV, and edge environments. Both deliver full 3 kW; the P91g-3000 adds much higher charging capability, faster recharge, greater runtime scalability, lighter weight, stronger altitude capability, and TAA compliance.
What the P91g-3000 brings
- Much higher charge current (1–8 A vs 1.5–2 A)
- Greater runtime scalability (up to 8 packs vs 4)
- Lighter chassis with a similar footprint
- Stronger high-altitude capability and TAA compliance
Side-by-side specifications
| Specification | Xtreme Power P91g-3000 | Eaton 9PX3000GRT | Advantage |
|---|---|---|---|
| Battery chemistry | VRLA | VRLA | Equal chemistry |
| Capacity | 3000 VA / 3000 W (unity PF) | 3000 VA / 3000 W | Equal usable power |
| Topology | Online double-conversion | Online double-conversion | Equivalent protection |
| Runtime (internal) | 3 min @ 3 kW | 3 min @ 3 kW | Comparable baseline |
| Charge current | Programmable 1–8 A | 1.5–2 A | P91g – much higher |
| Recharge time | <3 hours | 3 hours (longer w/ EBM) | P91g – faster recharge |
| Extended batteries | Up to 8 packs | Up to 4 packs | P91g – greater scaling |
| Size & weight | 17.2 × 24.8 × 3.4 in · 60.6 lb | 17.3 × 24.0 × 3.4 in · 63 lb | P91g – lighter |
| Operating altitude | Derate above 6,500 ft | Derate above 4,921 ft | P91g – higher capability |
| TAA compliance | Yes | No | P91g – federal eligible |
| Warranty | 3 years | 3 years | Equal |
Specifications from Xtreme Power’s supplied P91g-3000 vs Eaton 9PX3000GRT comparison; confirm against current vendor documentation. Both are 208/230V online double-conversion VRLA platforms.
Choosing between them
Both deliver full 3 kW online VRLA protection at equal warranty. The P91g-3000 leads on charging, recharge, weight, altitude, and TAA; the Eaton fits Eaton-standardized battery and service ecosystems.
Choose the P91g-3000 if you need
- Extended-runtime deployments with external battery modules
- Fast recharge recovery requirements
- Federal / public-sector installations
- Higher-altitude and edge deployments
The 9PX3000GRT may fit if you need
- Standardization on existing Eaton infrastructure
- Compatibility with Eaton battery packs
- Consistency with Eaton service environment
Related comparisons
Specifying a 208/230V scalable-runtime online UPS?
Xtreme Power supports UPS selection, runtime sizing, and distributed infrastructure design across IT, networking, AV, and regulated environments.