T91 Online UPS – Tower UPS for Demanding Commercial Applications
700VA-3000VA
120VAC
Provides clean, reliable power for hospitality systems, retail POS, and medical refrigeration equipment — with extended runtime options up to 12 hours.
1000VA – 3000VA | 120V True Online Double Conversion | Up to 12-Hour Runtime
The Xtreme Power T91 Online UPS delivers TAA-compliant, true double-conversion protection with Unity Power Factor (PF = 1.0)—providing full-rated wattage for modern IT and commercial applications.
Designed for hospitality, retail, medical, and POS environments, the T91 ensures uninterrupted, clean power and extended runtime up to 12 hours (load dependent).
With a compact tower design, programmable high-capacity charger, and wide input voltage range, the T91 offers dependable power protection that meets U.S. government procurement standards and enterprise performance requirements.
For 208/230 V systems, see the T91i Online UPS.
Key Features & Benefits
- TAA Compliant UPS – Meets U.S. Trade Agreements Act requirements; qualified for federal and public-sector projects.
- Unity Power Factor (PF = 1.0) – Delivers full wattage with no derating, maximizing usable capacity for IT and AV loads.
- True Online Double Conversion – Provides continuous, isolated sine-wave power for sensitive electronics.
- High-Capacity Programmable Battery Charger – Adjustable via the LCD interface for 2 A, 4 A, 6 A, or 8 A charging current, supporting long runtime battery banks and faster recharge times.
- Extended Runtime Options – Supports up to 12 hours with external battery packs (load dependent).
- Wide Input Voltage Range – Maintains stable output under fluctuating utility power.
- Tower Design – Space-efficient footprint for IT closets, hospitality, and retail installations.
- User-Friendly LCD Interface – Real-time display of UPS, load, and charger status with programmable settings.
- Optional SNMP / Network Management – Enables remote monitoring, alerts, and control through web or network.
- Warranty – 3 years on electronics and batteries (North America).
Product Snapshot
| Specification | Description |
| Topology | Online Double Conversion |
| Power Factor | Unity (PF = 1.0) – 100 % usable power |
| Voltage | 120 V (T91) or 208/230 V (T91i) |
| Form Factor | Tower Design |
| Battery Charger | Programmable 2 A / 4 A / 6 A / 8 A (LCD selectable) |
| Runtime | Scalable with EBPs – up to 12 hours (load dependent) |
| Compliance | TAA Compliant, UL, cUL, RoHS |
| Warranty | 3 Years (North America) |
| Options | External Battery Modules, SNMP/Web Card, Extended Runtime |
Applications
The TAA-compliant T91 UPS is engineered for mission-critical installations demanding clean, continuous, and federally eligible power protection:
- Hospitality & Entertainment – Protect AV systems, network gear, and guest-facing technology. See Hospitality UPS Systems.
- Restaurants & Retail – Prevent downtime at checkouts, kiosks, and kitchen systems. See UPS for Restaurants & Retail.
- Medical Refrigeration & Equipment – Safeguard vaccines and temperature-sensitive devices. See UPS for Medical Refrigerators.
- Point-of-Sale (POS) – Maintain uptime for registers, card readers, and order systems. See UPS for POS Systems.
- Network Infrastructure – Reliable power for routers, switches, and edge devices. See UPS for Network Switches & Routers.
Tip: Pair the SPDU Smart Power Distribution Unit with the T91 UPS for switched and metered-by-outlet control—enabling remote reboot, power sequencing, and per-outlet monitoring for IT and hospitality systems.
Competitive Comparisons
| Model | Comparison | T91 Advantage |
| T91-1500 | Eaton 9SX1500 | Unity PF = 1.0, TAA Compliant, programmable charger |
| T91-2000 | Eaton 9SX2000 | Extended runtime (12 hrs), compact footprint, TAA Compliant |
Related Products
- P91 UPS – Rack/tower online UPS with flexible capacity options.
- P91Li UPS – Lithium-ion UPS with up to 15-year battery life and 6-year warranty.
- P91 5–10 kVA UPS – Scalable higher-capacity UPS for larger IT and broadcast systems.
- J90 UPS – 1U lithium UPS with switched receptacles for remote outlet control.
- SPDU Smart PDU – Switched / metered-by-outlet power distribution for remote management.
- XBDM Maintenance Bypass Module – Allows UPS service or replacement without power interruption.
Contact Us Today
The Xtreme Power T91 UPS combines TAA compliance, unity power factor, and programmable charging with true double-conversion protection and runtime options up to 12 hours.
It’s the ideal UPS for hospitality, retail, medical, POS, and government applications requiring clean, reliable power and rapid battery recovery.
Contact Us | View All Products | UPS Selector
(800) 582-4524
| MODEL NUMBER | T91-700 | T91-1000 | T91-1500 | T91-2000 | T91-2000V2 | T91-3000 | |
| CAPACITY | Power rating | 700VA (700W) | 1000VA (1000W) | 1500VA (1450W) | 2000VA (1930W) | 2000VA (1930W) | 3000VA (2880W) |
| INPUT | Voltage | 120VAC nominal (55-150VAC)* | |||||
| Frequency | 50/60Hz auto-sensing | ||||||
| Power factor | >0.99 at full load | ||||||
| OUTPUT | Voltage | 120VAC nominal (100/110/115/127 selectable)** | |||||
| Waveform | Pure sine wave, zero transfer time | ||||||
| Frequency | 50/60Hz auto-sensing ≤ 1% | ||||||
| Efficiency | Up to 98% ECO Mode and 92% online mode | ||||||
| Overload capacity | > 110% & ≤ 130% for 5 min; > 130% & ≤140% for 30 sec; >140% for 1.5 sec | ||||||
| BATTERY | Battery type | (2) 12V 9AH | (3) 12V 9AH | (3) 12V 9AH | (6) 12V 9AH | (6) 12V 9AH | |
| Recharge | 3 hours to 95% for internal battery with 2A charge current | ||||||
| Battery charger | 2A (default) to 8A, programmable from LCD display | ||||||
| PHYSICAL | UPS dimensions | 5.6″ x 15.6″ x 8.6″ (W x D x H) | 7.4″ x 16.5″ x 12.5″ (W x D x H) | ||||
| UPS weight | 26 lbs | 30 Ibs | 34.3 lbs | 63 lbs | 66 lbs | ||
| Line cord | 6 ft, 5–15P | 6 ft, L5–20P | 6 ft, 5-20P | 6 ft, L5–30P | |||
| Receptacles | (6) 5–15R | (1) L5-20R+(8) 5-20R | (1) L5-30R+(8) 5-20R | ||||
| OPTIONAL | Model number | N/A | T91-BP36A | T91-BP72A | |||
| BATTERY PACKS | Dimensions | N/A | 5.6″ W x 15.6″ D x 8.6″ H | 7.4″ W x 16.5″ D x 12.5″ H | |||
| Weight | N/A | 44 Ibs | 82 Ibs | ||||
| ENVIRONMENT | Temperature | 32–104°F (0–40°C) | |||||
| Audible noise | < 50 dBA | ||||||
| Altitude | 11,500 ft above sea level | ||||||
| APPROVALS | UL1778 (cTUVus), FCC B, RoHS, TAA | ||||||
| WARRANTY | 3 years electronics, 3 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 monitoring software CD, USB cable, user manual | ||||||
| AVAILABLE OPTIONS | Extended warranty, bypass distribution (XBDM), power distribution (XPDU) | ||||||
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Mounting Kits
[table colwidth=”75″]
,Model,Description,Unit Weight, Unit Dimensions
,T90-WMB,”Wall Mount Bracket for use with T91-700, T91-1000, T91-1500, T90-2000, T91i-2000; Rated for 40 lbs”,5 lbs,4.0”-8.0” x 7.0” x 8.0”
[/table] -
Connectivity
[table colwidth=”75″]
,Model,Description,Unit Weight, Unit Dimensions
,SNMP-2PV3,”Two Port Internal SNMP Card”, 1 lb,7.25″ x 6″ x 2.5″
,SNMP-EMPV2,”Environmental Monitoring Sensor”, 1 lb,7.25″ x 6″ x 2.5″[/table]
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Bypass Distribution Modules
[table colwidth=”75″]
,Model,Description,Utility Input, Output Connections, UPS Connections, Unit Weight, Unit Dimensions
,XBDM1020HV1,Bypass 16A capacity for use with T90i-1500 (includes IEC C20 C19 cord kit),”IEC C20 inlet”,”(2) IEC C19 + (4) IEC C13 front, (4) IEC C13 back”,IEC C20,3.5 lbs,19.3″ x 3.5″ x 1.75″
[/table] -
Power Distribution Units & Transformers
[table colwidth=”75″]
,Model,Description,Input Power Cord, Outlets, Unit Weight, Unit Dimensions
,XPDU-IEC,230V Basic Power Distribution Unit for use with T90i-1500,IEC C20 inlet,(10) IEC C13 + (2) IEC C19,2.6 lbs,19.0″ x 3.5″ x 1.75″
,XPD-AT15A,1500W Transformer PDU with Meter 208V to 120V for use with T90i-1500,”Detachable IEC C14, 3ft”,(16) 5–15R,19.7 lbs,19.0” x 10.5” x 3.5”
,XAT-400,400VA Step Down Transformer 208V to 120V for use with T90i-1500,”208V IEC C14, 2ft”,”120V 5–15R, 2ft”,8.0 lbs,7.0” x 6.8” x 5.9”
[/table]