CyberPower OLS2000ERT2UA-B 2000 VA UPS

2000 VA · 1800 W W · Double-conversion (Online) · 8

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Capacity 2000 VA
Wattage 1800 W
Topology Double-conversion (Online)
Outlets 8
Output waveform Pure sine

CyberPower OLS2000ERT2UA-B 2000 VA UPS is a double-conversion (online) UPS rated 2000 VA (1800 W). Add up what you plug in (PC, monitor, router) and keep it under about 70% of the watt rating, so it doesn't run flat in seconds during a power cut. It came out in 2025.

Released: 2025-10-04

Specifications

Key specs

Capacity: 2000 VA
Wattage: 1800 W
Topology: Double-conversion (Online)
Outlets: 8
Output waveform: Pure sine
Released: 2025-10-04
Part number: OLS2000ERT2UA-B
EAN / UPC: 4711027792422

Features

UPS topology: Double-conversion (Online)
Output power capacity: 2 kVA
Output power: 1800 W
Waveform: Pure sine
Input operation voltage (min): 190 V
Input operation voltage (max): 300 V
Input frequency: 50/60 Hz
Output operation voltage (min): 208 V
Output operation voltage (max): 240 V
Output frequency: 50/60 Hz
Output frequency regulation: 0.5 Hz
Output voltage regulation: 1%
Maximum current: 9 A
Surge energy rating: 363 J
Response time: 0 ms
Heat dissipation: 682 BTU/h
Number of input phases: 1
Number of output phases: 1
Efficiency (ECO mode): 95%
Input power factor: 0.99
Output power factor: 0.9
ECO mode: Yes
Emergency Power Off (EPO): Yes
Output voltage Total Harmonic Distortion (THD): 5%
EMI/RFI noise filtering: Yes
Surge protection: Yes
Power protection features: Overload
Audible alarm(s): Yes
Audible alarm modes: Battery replacement, Low battery alarm, Overload alarm, Fault, Alarm when on battery

Ports & interfaces

AC outlet types: C13 coupler
Power plug: Type F
AC outlets quantity: 8 AC outlet(s)
USB port: Yes
USB port type: USB Type-B
Serial interface: Yes
Serial interface type: RS-232
Serial ports quantity: 1
RS-232 ports: 1
Modem (RJ-11) ports: 1
Ethernet LAN (RJ-45) ports: 1
Emergency Power Off (EPO) connector: Yes

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Battery

Battery technology: Sealed Lead Acid (VRLA)
Battery voltage: 48 V
Number of batteries supported: 3
Number of batteries included: 2 pc(s)
Typical backup time at full load: 3.8 min
Typical backup time at half load: 13.1 min
Battery recharge time: 4 h
Charging current: 1.5 A
Hot-swap battery: Yes
Replacement battery cartridge: RBP0157

Design

Form factor: Rackmount/Tower
Housing material: Metal
Rack capacity: 2U
Cable length: 1.5 m
Cooling type: Active
Built-in fan: Yes
Product colour: Black
Control type: Buttons
Display type: LCD

Operational conditions

Operating temperature (T-T): 0 - 40 °C
Storage temperature (T-T): -20 - 50 °C
Operating relative humidity (H-H): 5 - 95%
Storage relative humidity (H-H): -20 - 50%
Operating altitude: 0 - 1500 m

Weight & dimensions

Width: 438 mm
Depth: 430 mm
Height: 88 mm
Weight: 19.2 kg

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About this product

CyberPower OLS2000ERT2UA is a high-performance UPS featuring online double-conversion topology, which provides seamless Pure Sine Wave power for mission-critical devices such as NAS and servers, DVRs/surveillance systems, transportation and infrastructure, and emergency systems. It’s typically integrated in the back office, server room, and data center environment. The UPS features color LCD panel for users to monitor power system and configure settings easily. This model can be used with compatible Extended Battery Modules (EBM) to prolong system runtime during power interruption. The variable speed fans provide automatic thermal management based on power load to reduce noise and provide greater comfort for users. The product also supports power management software to perform real-time monitoring and remote management.

Datasheet (PDF)

OLS2000ERT2UA-B vs similar UPS

	CyberPower OLS2000ERT2UA-B 2000 VA UPS	CyberPower OLS2000RT2UA 2000 VA UPS	Vertiv GXT-2000MTPLUS120 2000 VA UPS	Vertiv Liebert GXE3-2000IMT 2000 VA UPS
Capacity	2000 VA	2000 VA	2000 VA	2000 VA
Wattage	1800 W	1800 W	1800 W	1800 W
Topology	Double-conversion (Online)	Double-conversion (Online)	Double-conversion (Online)	Double-conversion (Online)
Outlets	8	8	8	8
Output waveform	Pure sine	Pure sine	Pure sine	Pure sine
Released	2025	2023	2025	2024