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Ubiquiti UniFi UPS 2U

SKU: UPS-2U

Description +

1.5kVA rackmount uninterruptible power supply with replaceable battery and Ethernet management

The UniFi UPS 2U is a powerful 1.5kVA rackmount UPS that provides reliable backup power for professional UniFi installations. Equipped with four battery backup outlets and four surge-protected outlets, it delivers up to eight minutes of runtime at half load (500W) thanks to its field-replaceable 216Wh battery. This line-interactive UPS protects critical network equipment from power outages and voltage spikes and supports Graceful Shutdown for UniFi devices such as the UNVR and UNAS.

The UPS 2U can be managed via Ethernet and is NUT-compatible for use with third-party devices. With its durable 2U galvanized steel rackmount enclosure, dual 12V 9Ah lead-acid batteries, and efficient surge protection, this UPS ensures maximum reliability in any professional environment. Featuring a 6–8 hour automatic battery recovery cycle and broad compatibility with UniFi devices, the UPS 2U is the ideal solution for business networks that demand continuity and power stability.

Compatible with:

UCG-Fiber
UDM-Pro
UDM-Pro-Max
UDM-SE
UDM
UDR
UDR7
UX
UX7
USW-16-POE
USW-24
USW-24-POE
USW-48
USW-48-POE
USW-Aggregation
USW-Enterprise-8-PoE
USW-Enterprise-24-PoE
USW-EnterpriseXG-24
USW-Flex
USW-Flex-2.5G-5
USW-Flex-2.5G-8
USW-Flex-2.5G-8-PoE
USW-Flex-Mini
USW-Flex-Utility
USW-Flex-XG
USW-Lite-8-PoE
USW-Lite-16-PoE
USW-Pro-8-PoE
USW-Pro-24
USW-Pro-24-POE
USW-Pro-48
USW-Pro-48-POE
USW-Pro-Aggregation
USW-Pro-HD-24
USW-Pro-HD-24-PoE
USW-Pro-Max-16
USW-Pro-Max-16-PoE
USW-Pro-Max-24-PoE
USW-Pro-Max-48
USW-Pro-Max-48-PoE
USW-Pro-XG-10-PoE
USW-Pro-XG-24
USW-Pro-XG-24-PoE
USW-Pro-XG-48
USW-Pro-XG-48-PoE
USW-Ultra
USW-Ultra-60W
USW-Ultra-210W
USW-WAN
USW-WAN-RJ45
UNAS-2
UNAS-Pro
UNVR
UNVR-Pro
UXG-Pro

Specifications +

Overview

Capacity / type:	1,500 VA / 1,000 W (line-interactive)
Outlets:	(4) battery backup + (4) surge-protected (C13)
Battery (field-replaceable):	216 Wh (2 × 12V, 9Ah lead-acid)
Graceful Shutdown (UNVR/UNAS):	Yes (UniFi OS 4.4.3 or higher required)
NUT compatibility (3rd party):	Yes
Form factor:	Rackmount (2U)
Weatherproofing:	IP20

Mechanical

Dimensions:	442.4 × 300 × 87.4 mm (17.4 × 11.8 × 3.4")
Weight:	13.7 kg (30.2 lb)
Enclosure material:	Galvanized steel

Network & Management

Management:	Ethernet
Networking interface:	(1) 100/10 MbE port for network connection (2) GbE ports for surge in/out

Power (AC)

Input voltage range:	170–280 V AC
Power method:	(1) TN system, 220–240 V AC, 10 A max., 50/60 Hz
Nominal input voltage:	230 V AC
Output voltage:	220–240 V AC (nominal 230 V)
Frequency range:	AC mode: 50/60 Hz ±5 Hz (auto sensing) Battery mode: 50 Hz ±1 Hz
AC voltage regulation:	±10% (battery mode)
Transfer time:	6 ms typical; 10 ms max. (battery mode)
Waveform:	Simulated sine wave (battery mode)

Battery & Runtime

Battery type:	(2) Lead Acid 12 V, 9 Ah
Runtime (full load):	2.3 min
Runtime (half load, 500 W):	8 min
Charging time:	6–8 hours to 90% capacity

Protection & Safety

Overload (online):	110%: fault after 5 min • 120%: immediate fault
Overload (battery):	110%: shutdown after 5 s • 120%: immediate shutdown
Short-circuit protection (online):	Breaker, 250 V AC, 10 A
Output short-circuit current:	I_peak 444.0 A • I_rms 223.1 A

Controls & Indicators

Buttons:	(1) Power • (1) Factory reset
Status LEDs:	Off: device not turned on Flashing white: initializing / factory default Steady white: waiting for adoption Steady blue: device adoption and working Flashing blue: battery mode Alternating white/blue: firmware upgrading Rapid flashing blue: locate Steady red: warning Flashing red: low battery

Environment & Certifications

Operating altitude:	3,000 m (1.9 mi)
Operating environment:	Pollution Degree 2
Storage temperature:	-20 to 50 °C (-4 to 122 °F)
Operating temperature:	0 to 40 °C (32 to 104 °F)
Operating humidity:	0–95% noncondensing
Certifications:	CE, IEC 62040-1