CyberPower Online Double Conversion USV 1000VA/900WTower

1000 VA · 900 W W · Double-conversion (Online) · 3

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Capacity 1000 VA
Wattage 900 W
Topology Double-conversion (Online)
Outlets 3
Output waveform Pure sine

CyberPower Online Double Conversion USV 1000VA/900WTower is a double-conversion (online) UPS rated 1000 VA (900 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 2026.

Released: 2026-04-05

Specifications

Key specs

Capacity: 1000 VA
Wattage: 900 W
Topology: Double-conversion (Online)
Outlets: 3
Output waveform: Pure sine
Released: 2026-04-05
Part number: OLS1KECR
EAN / UPC: 4711027792606

Features

UPS topology: Double-conversion (Online)
Output power capacity: 1 kVA
Output power: 900 W
Waveform: Pure sine
Input operation voltage (min): 80 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 voltage regulation: 1%
Automatic Voltage Regulation (AVR): Yes
Maximum current: 4.5 A
Surge energy rating: 370 J
Heat dissipation: 380 BTU/h
Efficiency (ECO mode): 95%
Input power factor: 0.99
Output power factor: 0.9
Crest factor: 3:1
ECO mode: Yes
Emergency Power Off (EPO): Yes
Overload capacity (1 minute): 120%
Overload capacity (10 seconds): 120%
Output voltage Total Harmonic Distortion (THD): 5%
EMI/RFI noise filtering: Yes
Surge protection: Yes
Power protection features: Input fuse, Overload
Audible alarm(s): Yes
Audible alarm modes: Alarm when on battery, Low battery alarm, Overload alarm, Fault, Battery replacement
Socket circuit breaker: Yes

Ports & interfaces

AC outlet types: C13 coupler, Type F
Power plug: Type F
AC outlets quantity: 3 AC outlet(s)
USB port: Yes
USB port type: USB Type-B
RS-232 ports: 1
Emergency Power Off (EPO) connector: Yes

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Battery

Battery replacement accessibility: Professional only
Battery technology: Sealed Lead Acid (VRLA)
Battery capacity: 9 Ah
Battery voltage: 12 V
Number of batteries supported: 2
Typical backup time at full load: 3 min
Typical backup time at half load: 13.3 min
Battery recharge time: 4 h
Charging current: 1.5 A
Replacement battery cartridge: BPS24V40AC

Design

Form factor: Tower
Housing material: Metal
Cable length: 1.5 m
Product colour: Black
Display type: LCD

Operational conditions

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

Weight & dimensions

Width: 86 mm
Depth: 335 mm
Height: 308 mm
Weight: 10 kg

Other features

Bypass: GreenPower UPS

Check the manufacturer's page before buying.

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About this product

CyberPower OLS1KECR provides reliable battery backup and power protection for multimedia devices, IT equipment, computers, workstations, NAS/Storage devices, telecom devices, networking devices, security/emergency systems, and surveillance systems. The UPS adopts double-conversion topology to provide optimal power quality as well as ECO Mode to conserve power and save on energy costs. Furthermore, the product is generator compatible to achieve power continuity and designed with Smart Battery Management (SBM) to extend battery lifespan. In order to reduce noise and ensure greater comfort for users, the UPS is equipped with variable speed fans to provide automatic thermal management based on power load. The color LCD panel displays intuitive and clear system information, allowing users to monitor and configure settings easily. The product can be used with PowerPanel Management Software to achieve real-time monitoring and remote management of the UPS.

User manual (PDF) · Datasheet (PDF)

Online Double Conversion USV 1000VA/900WTower, ECO Mode, LCD, USB, Smart-Slot vs similar UPS

	CyberPower Online Double Conversion USV 1000VA/900WTower	CyberPower OLS1000A 1000 VA UPS	Vertiv GXT-1000MTPLUS120 1000 VA UPS	CyberPower OLS1000ERT2UA-B 1000 VA UPS
Capacity	1000 VA	1000 VA	1000 VA	1000 VA
Wattage	900 W	900 W	900 W	900 W
Topology	Double-conversion (Online)	Double-conversion (Online)	Double-conversion (Online)	Double-conversion (Online)
Outlets	3	4	4	8
Output waveform	Pure sine	Pure sine	Pure sine	Pure sine
Released	2026	2023	2025	2025