208/120V Lithium UPS with LiFePO₄ Batteries for Edge, Industrial & High-Temp Environments
The Xtreme Power Li90 is the perfect solution for critical applications requiring longer battery life, smaller footprint, and reduced weight. Li90 is the perfect solution for critical applications requiring longer battery life, smaller footprint, reduced weight, and high-temperature performance up to 50 °C. It utilizes LiFePO₄ (Lithium Iron Phosphate) batteries in a 3-phase online double-conversion UPS design to ensure optimal power protection.
Key Features
- Long-Life LiFePO₄ Batteries
LiFePO₄ batteries offer higher thermal stability, supporting operation up to 50 °C, and enable hot-swappable battery modules to reduce downtime. - High Temperature Performance
Rated for continuous use up to 50°C (122°F) without derating until 40°C. - Compact, Space-Saving Design
Slim 12.6″ cabinet fits into tight racks and enclosures—ideal for edge and automation sites. - High Overload Capacity
Supports 110% load for 60 min and 150% for 1 min—ideal for startups and surges. - Touchscreen LCD Interface
4.3” color screen provides single-line mimic, event logs, and security access. - Startup and Warranty
Startup and 2 Year on-site warranty (USA and Canada), 5-year battery warranty (USA and Canada). Battery warranty is 2-years where temperature exceeds 40°C (104°F) and is less than 50C (122°F) - Full Breaker Design
Includes input, output, and maintenance bypass for safe serviceability. - Hot-Swappable Batteries
Minimize downtime with tool-free LiFePO₄ battery replacement. - Smart De-Dust Cooling
Self-cleaning fans reduce maintenance and extend lifespan.
Li90 Models & Specs
| Model | Power Rating | Runtime (Full Load) | Cabinet Width | Max Modules |
| Li90-10K | 10kVA / 10kW | Up to 45 min | 12.6″ | 3 |
| Li90-20K | 20kVA / 20kW | Up to 30 min | 12.6″ | 3 |
| Li90-30K | 30kVA / 30kW | Up to 15 min | 12.6″ | 3 |
- Voltage: 208/120V 3-phase
- Efficiency: Up to 94.5% (Online); 99% (ECO)
- 3‑phase online double‑conversion UPS architecture ensures continuous clean power
- Operates in high‑temperature environments up to 50 °C (122 °F) with derating above 40C (104 °F)
- Hot‑swappable battery modules allow tool-free replacement and reduce maintenance time
- Supports high overload capacity (110 % for 60 minutes, 150 % for 1 minute) for surge loads
- Certifications: UL, cUL, FCC
Ideal Applications
Industrial & Automation
Compact, rugged UPS power for factory automation, control systems, and harsh environments.
- Factory Control & PLC Systems – Protects industrial PCs, sensors, and control panels from power loss or fluctuation.
- Space-Constrained Installations – Slim cabinet fits into automation enclosures, DIN rail panels, and control racks.
- High-Temperature Operation – Maintains reliable performance in non-conditioned spaces up to 50°C (122°F).
Edge IT & Commercial Infrastructure
Resilient lithium backup power for distributed IT, retail, and smart infrastructure.
- Edge & Remote IT Systems – Supports servers, AV racks, network gear, and surveillance systems.
- Retail & Public-Facing Terminals – Ensures uptime for kiosks, ATMs, gaming terminals, and POS stations.
- Smart Buildings & Automation – Ideal for high-availability applications in connected commercial environments.
Healthcare & Education
Reliable power for critical infrastructure in healthcare facilities and educational institutions.
- Healthcare Facilities & Labs – Ensures continuous power for lab equipment, imaging support systems, and IT infrastructure.
- Education & Campus Networks – Delivers backup for classroom AV, Wi-Fi, IDF/MDF closets, and administrative IT systems.
- Safe, Long-Life Lithium Batteries – LiFePO₄ technology provides dependable, low-maintenance performance in sensitive environments.
Related Resources
Explore Battery Options
UPS Battery Technologies Explained
Need a Single-Phase Lithium UPS?
Single-Phase Lithium UPS Systems
Compare the Li90 UPS vs. Leading Competitors
- Xtreme Li90 – E91 Comparison – 15-year battery and smaller footprint
- Xtreme Li90 –APC Smart-UPS Ultra – High temperatures, smaller footprint, and integral bypass
- Xtreme Li90 – Eaton 9355 Comparison – Higher efficiency, smaller footprint, lower weight
- Xtreme Li90 – Schneider APC Easy UPS 3S Comparison – more runtime and 15-year battery
- Xtreme Li90 – Vertiv EXS Comparison – more runtime, smaller footprint, and lithium longevity
Frequently Asked Questions (FAQ) about Lithium 3-phase UPS
Q: How is LiFePO₄ different from lead-acid or other lithium chemistries?
A: LiFePO₄ offers up to 15 years of life, thermal stability, and 3x the cycle life of VRLA. It’s also safer than lithium NMC batteries.
Q: What is the full-load runtime of the Li90?
A: Up to 45 minutes depending the number of battery modules (max 3).
Q: Can the batteries be replaced on-site?
A: Yes, the Li90 supports hot-swappable battery modules for easy service without downtime.
Q: How long does recharge take after an outage?
A: Typical recharge time is 2 hours depending on discharge level.
Q: What kind of warranty is included?
A: Battery warranty is reduced to 2-years in applications where temperature exceeds 40°C (104°F) and is less than 50C (122°F)
Ready to Power Up?
Talk to a Lithium UPS Specialist:
sales@xpcc.com
1 (800) 582-4524
Or explore more at www.xpcc.com/Li90