P91g Li – Lithium Iron Phosphate (LFP) Rack/Tower UPS
1500VA-3000VA
208VAC / 230VAC
Reliable power protection for schools, AV systems, retail POS, and network infrastructure. Features long-life lithium Iron Phosphate (LFP) batteries rated up to 15 years, and 6-year warranty.
The Xtreme Power P91gLi delivers high-performance online double-conversion TAA compliant protection with the long life and reliability of lithium-ion batteries.
Designed for 208/230V environments, the P91g Li provides clean, continuous power for servers, networks, and edge infrastructure—combining superior energy efficiency, flexibility, and minimal maintenance.
Key Features & Benefits
- 208/230 V Input & Output – Optimized for commercial, global, and light-industrial power systems.
- Lithium-Ion Battery Technology – Up to 15 years or 3,000–5,000 cycles—more than twice the life of lead-acid.
- Fast Recharge & Longer Runtime – Up to 14 minutes at full load; recharges to 90% capacity in 1.5 hours.
- High Temperature Tolerance – Operates reliably in environments up to 50 °C (122 °F). Derating is required above 40 °C (104°F)
- Online Double-Conversion Topology – Delivers pure sine-wave output isolated from line disturbances.
- Battery Management System (BMS) – Ensures precise cell balancing, current sharing, and protection from over-charge/-discharge.
- Adjustable Charging Current – Selectable up to 8A from the front LCD panel.
- Auto Restart – Automatically powers back on after a full battery discharge when utility returns.
- Flexible Mounting Options – Supports tower, wall, 2-post, and 4-post rack installations.
- Easy Battery Replacement – Field-replaceable battery design for minimal downtime.
- Extended Warranty – 6 years electronics & 6 years battery (USA & Canada).
Options & Accessories
- External Battery Packs – Expand runtime for long-duration backup requirements.
- Web/SNMP Network Card – Remote monitoring, alerts, and auto-shutdown integration.
- Relay / Dry Contact Card – Interface with building management systems (BMS).
- Modbus Card – Enables industrial protocol integration for factory or automation environments.
- XBDM Maintenance Bypass Switch – Service the UPS without interrupting power to connected loads. Learn more →
Applications
The P91gLi 208/230V UPS is engineered for high-density edge and distributed IT environments requiring long-life energy storage and fast recovery:
- Pro AV & Media Systems – Reliable backup for servers, control processors, and broadcast equipment. See UPS for Pro AV.
- Data Centers & Edge IT – Continuous power for network racks and remote sites. Explore UPS for Data Centers.
- Industrial & Automation – Supports PLCs, control systems, and sensors in 208/230 V facilities. Learn more at High-Temperature UPS Solutions.
- Medical & Laboratory – Provides clean power for lab analyzers and medical refrigerators. See UPS for Medical Refrigerators.
- Hospitality & Retail – Ensures continuous operation of POS, networking, and digital signage. Visit Hospitality UPS Systems and UPS for Restaurants & Retail.
- Point-of-Sale Systems – Maintain transaction integrity and uptime. See UPS for Point-of-Sale.
RELATED PRODUCTS
- P91 Li UPS (120 V) – Lithium-ion version for North American 120 V installations.
- P91 UPS (120 V) – Standard lead-acid UPS for 120 V applications.
- P91g UPS (208/230 V) – Lead-acid counterpart for 208/230 V systems.
- T91i UPS (208/230 V) – Tower UPS with unity power factor output.
Contact Us
Protect your 208/230V infrastructure with the efficiency and longevity of lithium-ion.
Contact Xtreme Power today to learn how the P91gLi UPS can reduce maintenance, extend battery life, and deliver maximum uptime for your network and industrial applications.
Contact Us | View All Products
(800) 582-4524
| MODEL NUMBER | P91g-1.5kLi | P91g-2kLi | P91g-3kLi | |
| CAPACITY | Power rating | 1500VA (1350W) | 2000VA (1800W) | 3000VA (2700W) |
| INPUT | Voltage/frequency | 110-300 VAC* / 50/60Hz auto-sensing | ||
| OUTPUT | Voltage | 200**/208**/220/230/240 Vac selectable | ||
| Waveform | <=2% THD (linear load), <=4% THD (non-linear load) | |||
| Frequency | 50/60Hz +/-0.1Hz | |||
| Efficiency | Up to 98% ECO mode or 94% online mode | |||
| Overload capacity | 110% & ≤ 130% for 5 min; > 130% & ≤140% for 30 sec; >140% for 1.5 sec | |||
| BATTERY | Cell type | LFP26650 2600 mAh | ||
| Cell configuration | 15S2P | 15S2P x2 | 24S1P x 3 | |
| Charger voltage | 52.5VDC | 84VDC | ||
| Charger current | 1/2/4/6/8A (max.), adjustable through LCD | |||
| Recharge time | 1.5 hours to 90% charge | |||
| PHYSICAL | Dimensions (W x D x H)*** | 17.2 x 15.1 x 3.5 in (437 x 384 x 89 mm) |
17.2 x 19 x 3.5 in (437 x 482 x 89 mm) |
17.2 x 23.8 x 3.5 in (437 x 605 x 89 mm) |
| Weight | 25.6 lbs (11.5 kg) | 33.5 lbs (15 kg) | 45.2 lbs (20.5 kg) | |
| Line cord | C14 inlet, 8 ft (2.4 m) L6-20P to C13 line cord |
C20 inlet, 8 ft (2.4 m) L6-20P to C19 line cord | ||
| Receptacles | (8) IEC C13 | (1) IEC C19 + (8) IEC C13 | ||
| ENVIRONMENT | Operating temperature | 32–104°F (0–40°C) | ||
| Altitude | 11,500 ft (3505 m) above sea level | |||
| APPROVALS | CE, RoHS, battery packs comply to UL1973, UN38.3, TAA compliant | |||
| WARRANTY | 6 years electronics, 6 years battery warranty (USA and Canada) | |||
| COMMUNICATIONS INTERFACE | RS-232, USB, EPO, intelligent slot for optional cards (Web/SNMP, Relay/dry contact, Modbus) | |||
| INCLUDED IN BOX | ViewPower software, front brackets, tower pedestals, user manual | |||
| AVAILABLE OPTIONS | Bypass distribution (XBDM), power distribution (XPDU), 4-post rail kit, 2-post shelf kit, wall mount bracket | |||