Li90 vs Eaton 93E
The Eaton 93E is widely installed in enterprise server rooms, distributed data centers, and commercial infrastructure. Teams evaluating 93E replacements often look for a lithium alternative that cuts battery-replacement cycles and improves lifecycle performance. The Xtreme Power Li90 delivers a 10–30 kVA three-phase lithium architecture with longer battery life, higher efficiency, and a smaller cabinet footprint than a traditional VRLA UPS.
Why engineers evaluate the Li90
- Lithium (LiFePO₄) vs VRLA lead-acid batteries
- Up to 10–15 year battery service-life potential
- Higher online efficiency (94.5%)
- Smaller UPS cabinet footprint
- Reduced battery replacement cycles
- Lower lifecycle maintenance
Lithium vs lead-acid three-phase UPS · 208/120 V
| Feature | Xtreme Power Li90 Series | Eaton 93E UPS | Advantage / consideration |
|---|---|---|---|
| Battery technology | Lithium iron phosphate (LiFePO₄) | VRLA lead-acid | Li90 — longer service life |
| Battery life | Up to 10–15 years typical | Typically 3–5 years | Li90 — significantly longer |
| UPS topology | Online double-conversion | Online double-conversion | Equivalent conditioned power |
| Capacity range | 10–30 kVA | 20–30 kVA typical | Li90 — optimized for distributed |
| Electrical configuration | 208/120 V three-phase | 208/120 V three-phase | Equivalent compatibility |
| Online efficiency | 94.5% | ~92% | Li90 — less heat generated |
| Cabinet dimensions | 12.6″ W × 35.2″ D × 49.2″ H | 20.9″ W × ~33″ D × ~53.5″ H | Li90 — smaller footprint |
| Maintenance | Reduced battery replacement | Periodic VRLA replacement | Li90 — lower lifecycle maintenance |
Specifications based on publicly available manufacturer data for typical 208/120 V 20–30 kVA deployments; verify against current Eaton data. Both platforms are online double-conversion; the Li90 uses LiFePO₄.
Choosing between them
Facility three-phase UPS in the 10–30 kVA range protects healthcare imaging infrastructure, industrial automation, commercial-building modernization, telecom power rooms, and distributed mission-critical loads. The Li90 brings integrated lithium to this class — cutting battery-replacement planning and electrical-room burden versus a VRLA platform, while unity power factor delivers more usable kW from the same kVA.
Choose the Li90 if you need
- Integrated internal lithium — no external battery cabinets
- Reduced battery maintenance and predictable lifecycle cost
- Unity (1.0) power factor for more usable kW
- A compact footprint for limited electrical-room space
- A retrofit-oriented path to modernize legacy VRLA infrastructure
The Eaton 93E may fit if you need
- Standardization on Eaton / existing 93E service
- A VRLA replacement model that is acceptable
- Deployments where a larger cabinet footprint is not a constraint
Related Li90 comparisons
Plan your lithium UPS modernization
Xtreme Power supports facility engineers and infrastructure planners with lithium UPS modernization strategy, lifecycle cost modeling, and deployment architecture guidance.