Facility Three-Phase UPS Platform Comparison
10–30 kVA | 208/120 V Internal Battery UPS Systems
Engineers evaluating facility-level three-phase UPS platforms in the 10–30 kVA range frequently compare the Xtreme Power Conversion Li90 Series with Eaton 9355 systems when modernizing electrical infrastructure across healthcare environments, industrial automation facilities, commercial buildings, and distributed mission-critical installations.
Both platforms provide true online double-conversion power protection with internal battery configurations for three-phase 208 V / 120 V applications. However, differences emerge in lifecycle maintenance strategy, operating efficiency, battery chemistry, and long-term infrastructure modernization alignment.
The Li90 platform is designed as a lithium-integrated modernization architecture supporting predictable lifecycle performance and reduced electrical-room infrastructure burden. Eaton 9355 systems are widely deployed legacy monolithic UPS platforms utilizing VRLA battery technology with established lifecycle replacement assumptions.
Learn more about the Xtreme Power Li90 platform
https://xpcc.com/3-phase-lithium-ups-li90/
Key Differentiators at a Glance
- Lithium-integrated three-phase UPS platform
- Modular internal lithium battery architecture
- Extended battery lifecycle relative to VRLA systems
- Higher operating efficiency performance
- Reduced lifecycle battery replacement planning
- Improved electrical-room deployment density
- Simplified infrastructure modernization strategy
These characteristics position the Li90 Series as a modernization-focused facility infrastructure platform.
Facility UPS Platform Comparison
10–30 kVA | 208 / 120 V Internal Battery Systems
| Feature | Xtreme Power Li90 Series | Eaton 9355 Series | Advantage / Consideration |
| Capacity Range | 10–30 kVA | 10–30 kVA | Comparable facility deployment class |
| Output Voltage | 208 / 120 V three-phase | 208 / 120 V three-phase | Aligned North American deployment compatibility |
| Battery Chemistry | Lithium iron phosphate | VRLA batteries | Extended lifecycle performance advantage with Li90 |
| Battery Architecture | Modular internal lithium battery modules | Internal VRLA battery modules | Lifecycle and serviceability advantage with Li90 |
| UPS Topology | Online double conversion | Online double conversion | Equivalent conditioned power protection |
| Output Power Factor | Unity (1.0) | 0.9 | Higher usable real power capacity with Li90 |
| Operating Efficiency | Up to 94.5% | 91% | Reduced operational energy losses with Li90 |
| Lifecycle Maintenance | Reduced battery replacement frequency | Periodic VRLA battery replacement planning | Long-term lifecycle cost predictability advantage with Li90 |
| Runtime Strategy | Modular internal lithium runtime scalability | Internal VRLA runtime with expansion options | Comparable runtime flexibility with differing lifecycle assumptions |
| Maintenance Bypass | Integrated | Integrated | Equivalent serviceability |
| Monitoring Integration | Enterprise SNMP / network monitoring | Enterprise SNMP / network monitoring | Comparable infrastructure integration |
| Infrastructure Modernization | Retrofit-oriented modernization platform | Conventional UPS replacement model | Strategic modernization advantage with Li90 |
Specifications based on publicly available manufacturer documentation.
Model Comparison
Infrastructure planners frequently evaluate modernization-equivalent capacity classes when defining facility upgrade scope.
| Xtreme Power Model | Comparable Eaton Model | Detailed Comparison |
| Li90-10 | Eaton 9355-10k | https://xpcc.com/li90-vs-eaton-9355-10kva/ |
| Li90-20 | Eaton 9355-20k | https://xpcc.com/li90-vs-eaton-9355-20kva/ |
| Li90-30 | Eaton 9355-30k | https://xpcc.com/li90-vs-eaton-9355-30kva/ |
Deployment Context
Facility three-phase UPS platforms in the 10–30 kVA range are commonly deployed in:
- Healthcare imaging electrical infrastructure
- Industrial automation power systems
- Commercial building modernization projects
- Distributed mission-critical facility environments
- Telecommunications power rooms
These systems provide localized facility-level conditioned power protection where centralized large-scale UPS architectures are not required.
Infrastructure Strategy Context
Organizations modernizing legacy VRLA-based facility UPS infrastructure frequently evaluate lithium-integrated platforms to improve lifecycle cost performance, reduce maintenance complexity, and optimize electrical-room utilization.
Integrated lithium UPS platforms such as the Li90 align with modernization strategies prioritizing long-term infrastructure predictability and reduced operational maintenance burden.
Explore Related UPS Architectures
Modular three-phase UPS platforms
https://xpcc.com/m90u-ups-comparisons/
Conventional three-phase UPS architectures
https://xpcc.com/e91-ups-comparisons/
Distributed lithium UPS platforms
https://xpcc.com/j90-ups-comparisons/
Plan With Confidence
Xtreme Power Conversion supports facility engineers and infrastructure planners with lithium UPS modernization strategy development, lifecycle cost modeling, and deployment architecture guidance.
Phone: 800-582-4524
Email: sales@xpcc.com