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Li90 Three-Phase UPS

Li90 Three-Phase UPS delivers 10–30kW with LiFePO₄ batteries, 99% ECO efficiency, and hot-swappable modules for industrial and IT environments.

10kVA-30kVA

208/120VAC three-phase UPS

Advanced Lithium UPS for Demanding Environments.

General Details

The Li90 is a compact, high-performance 208V three-phase UPS with Lithium Iron Phosphate (LiFePO₄) battery modules—offering up to 3x the life of traditional VRLA systems.

Engineered for mission-critical applications, the Li90 delivers clean, reliable power with high-temperature resilience, hot-swappable battery modules, and a 5-year battery warranty.

Product Snapshot

Available models: 10kW, 20kW, 30kW
Unity power factor
Lithium Iron Phosphate Battery Modules
Approvals: UL, cUL, FCC
Startup and 2 Year on-site warranty (USA and Canada)
5 year battery warranty (USA and Canada)

Categories: Backup Power, Three Phase UPS Tags: Backup Power, Three Phase UPS Brand: Xtreme

Description
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Specifications

	MODEL NUMBER	Li90-10k	Li90-20k	Li90-30k
CAPACITY	Power rating	10kVA/10kW	20kVA/20kW	30kVA/30kW
INPUT	Voltage / Range	208/220 (3W+N+G) / 120V-156V linear derating, 156V-268V at full load
INPUT	Frequency	40–70Hz
OUTPUT	Voltage / Frequency	190/200/208/220±1% (L-L) ±1% (default is 208V) / 50/60±0.1 (battery mode)
	Oveload Capacity – Online Mode	<105% Continuous, <110% 60 min, <130% 10 min, <150% 1 min, <200% 200 ms
	Efficiency	up to 94.5% online mode or 99% ECO mode
INTERNAL BATTERY	Battery type	Lithium Iron Phosphate (LFP) Module
	Battery Module Specs	50AH, 240Vdc
	Battery Quantity	1 Module (1-3 Selectable)	2 Module (2-3 Selectable)	3 Modules
	Charge Current	2A – 40A Selectable (20A default)
PHYSICAL	Dimensions (W x D x H)	12.6"W x 35.2"D x 49.2"H*
	Enclosure Weight	207 lbs	227 lbs	243 lbs
	Battery Weight	80 lbs per module
ENVIRONMENT	Operating temperature	23F-122F (-5C-50C) Derates above 104F (40C)
	Audible noise	"<63dB (10	20kW)	<68dB (30kW)"
	Relative humidity	0 – 95% (non condensing)
	Altitude	5,200 ft above sea level*
APPROVALS		UL, cUL, FCC
WARRANTY		5-year battery warranty, 2-year on-site UPS warranty
COMMUNICATIONS INTERFACE		RS485, EPO, Dry contact (1 input,5 output)+2 Slots+SNMP (optional)
INCLUDED IN BOX		User manual, RS-232 communication cable, USB cable
AVAILABLE OPTIONS		External Maintenance bypass