P91Li Lithium UPS – Online Double-Conversion with 15 Year Battery Life

1500VA-3000VA

120VAC

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.

Category: Online - Lithium UPS

1500 VA – 3000 VA | 120 VAC | TAA Compliant | 6-Year Warranty

Reliable, TAA-compliant lithium UPS delivering long-life power protection for schools, AV systems, retail POS, and IT networks. Featuring LiFePO₄ batteries rated up to 15 years and a 6-year warranty, the Xtreme Power P91Li dramatically reduces maintenance and total cost of ownership compared to lead-acid UPS systems.

Overview

The P91Li UPS provides true online double-conversion protection with the durability and efficiency of lithium-iron-phosphate (LiFePO₄) batteries. Ideal for IT racks, AV systems, classrooms, hospitality, and broadcast applications, it delivers long internal runtimes in a compact 2U rack/tower design—no external battery packs required. Available in 1.5 kVA, 2 kVA, and 3 kVA models, with a short-depth 1000 VA model coming soon, the P91Li combines TAA compliance, high-temperature performance, and 15-year battery life for reliable, maintenance-free backup power.

Key Features & Benefits

TAA Compliant UPS – Manufactured in a Trade Agreements Act–compliant country, approved for U.S. government and public-sector projects.
Long-Life Lithium Batteries – Up to 15-year design life and 3,000–5,000 cycles, delivering up to 4× the service life of VRLA batteries.
Temperature Resilient – Operates to 50 °C (122 °F) with capacity derating; warranty reduces to 2 years above 40 °C (104 °F).
True Online Double Conversion – Continuous, isolated power for sensitive IT and AV equipment.
Compact Rack/Tower Design – 2U convertible form factor fits standard racks or tower mounts.
Extended Internal Runtime – Long backup times without external battery cabinets.
Lightweight & Space Efficient – Smaller and lighter than equivalent VRLA UPS systems.
Remote Monitoring & Control – Optional Web/SNMP card for network monitoring and remote ON/OFF control.
6-Year Standard Warranty – Covers electronics and batteries (USA & Canada); reduced to 2 years above 40 °C operation.

Product Snapshot

Feature	Specification
Capacities	1500 VA, 2000 VA, 3000 VA (1000 VA short-depth coming soon)
Topology	Online Double Conversion
Form Factor	2U Rack / Tower Convertible
Battery Type	Lithium Iron Phosphate (LiFePO₄)
Battery Life	Up to 15 years / 3,000–5,000 cycles
Runtime	Long internal runtime (non-scalable)
Operating Temperature	Up to 50 °C (derating above 40 °C)
Compliance	TAA Compliant, UL, cUL, RoHS
Warranty	6 years (2 years above 40 °C) – USA & Canada

Applications

The P91Li UPS is ideal for industries requiring long-life, compact, TAA-compliant backup power:

Pro AV / Video Walls – Power AV racks and displays with clean sine-wave output. See UPS for Pro AV.
Home Automation / CEDIA – Maintain smart-home and theater systems. See UPS for Home Automation.
Schools & Education – Protect classrooms, labs, and IT closets with long-life lithium batteries. See UPS for Schools.
VoIP & Networking – Ensure communication continuity for routers and phone systems. See UPS for VoIP Phone Systems.
Hospitality & Media – Power guest networks, studios, and control rooms. See Hospitality UPS Systems and UPS for Media Broadcast.

Tip: Pair the SPDU Smart Power Distribution Unit with the P91Li to add switched and metered-by-outlet control, enabling remote reboot, sequencing, and per-outlet monitoring for rack and AV installations.

Competitive Comparisons

P91-Li vs APC Easy UPS Online SRVSL RT – Longer battery life and lower TCO.
P91-1.5KLi vs Eaton 9PX1500RT-L – Compact design and higher temperature tolerance.
P91-2kLi vs Vertiv GXT5Li-2000LVRT2UXL – Extended runtime and 6-year warranty.
P91-3kLi vs Vertiv GXT5Li-3000LVRT2UXL – Superior battery life and smaller footprint.
P91-2kLi vs Schneider APC SMTL2K2RM2UCLNC – Lithium reliability vs lead-acid maintenance.

The P91-2kLi UPS is a top choice for the longest internal runtimes in compact rack and education installations.

Contact Us Today

The Xtreme Power P91Li UPS combines TAA compliance, LiFePO₄ durability, and true online double conversion to deliver up to 15 years of battery life with a 6-year warranty.
Ideal for IT, AV, education, retail, and government applications requiring long-term, high-temperature reliability.

(800) 582-4524
sales@xpcc.com
www.xpcc.com

	MODEL NUMBER	P91-1.5kLi	P91-2kLi	P91-3kLi
CAPACITY	Power rating	1500VA (1350W)	2000VA (1800W)	3000VA (2700W)
INPUT	Voltage/frequency	55–150VAC* / 50/60Hz auto-sensing
OUTPUT	Voltage	100**/110/115/120/127 VAC selectable
	Waveform	Pure sine wave: <=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	Online mode: 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	2/4/6/8A (4A default), 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	17.2 x 19 x 3.5	17.2 x 23.8 x 3.5
	Weight (lbs)	25.6	33.5	45.2
	Line cord	6 ft, 5–15P	6 ft, 5–20P	6 ft, L5–30P
	Receptacles	(8) NEMA 5-15R	(8) NEMA 5–15/20R	L5–30R+(6)5–15/20R
ENVIRONMENT	Operating temperature	32–104°F (0–40°C)
	Altitude	11,500 ft above sea level
APPROVALS	UL, cUL, RoHS, FCC Class A, 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

ViewPower Software