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Product specifications

CyberPower Online S Series OL1KRM uninterruptible power supply (UPS) Double-conversion (Online) 1.5 kVA 800 W 8 AC outlet(s)

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1000 VA / 800 W, 0.8 PF, Double-Conversion, Sine Wave, 8 × NEMA 5-15R

Part OL1KRM · UPC 649532937271

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  • Double-Conversion Topology
  • Sine Wave Output
  • PowerPanel® Business Edition Software

About this product

CyberPower Essential Online. Prevent business interruptions and safeguard mission-critical enterprise network equipment.

The CyberPower Essential Online OL1K5RM is a rack mounted UPS with double conversion topology. It provides sine wave output to critical applications and equipment that require seamless power correction. The Extended Battery Module (EBM) expands runtime, and Fast Charge Technology restores full backup power faster. This model comes with Smart Battery Management charging technology, and energy-saving GreenPower UPS™ ECO Mode.

The OL1K5RM offers generator compatibility and delivers clean AC power with zero transfer time. Its sine wave output keeps sensitive equipment working by preventing unnecessary shutdowns that can occur with simulated sine wave output.

With a $400,000 lifetime connected equipment guarantee and a three-year warranty, you can trust CyberPower’s commitment to high quality.

Manufacturer warranty information

3 years

Features

UPS topology
Double-conversion (Online)
Output power capacity
1.5 kVA
Output power
800 W
Waveform
Pure sine
Input operation voltage (min)
100 V
Input operation voltage (max)
125 V
Input frequency
40 - 70 Hz
Output frequency
50/60 Hz
Surge energy rating
710 J
Heat dissipation
245 BTU/h
Number of input phases
1
Efficiency (ECO mode)
96%
Power factor
0.8
Input power factor
0.99
Output power factor
0.8
Crest factor
3:1
ECO mode
Yes
Emergency Power Off (EPO)
Yes
Output voltage Total Harmonic Distortion (THD)
3%
Input current Total Harmonic Distortion (THD)
5%
EMI/RFI noise filtering
Yes
Noise level
42.8 dB
Audible alarm(s)
Yes
Audible alarm modes
Overload alarm, Alarm when on battery, Low battery alarm, Fault

Ports & interfaces

AC outlet types
NEMA 5-15P
Power plug
NEMA 5-15P
AC outlets quantity
8 AC outlet(s)
USB port
Yes
Serial interface
Yes
Emergency Power Off (EPO) connector
Yes

Battery

Battery technology
Sealed Lead Acid (VRLA)
Battery capacity
7 Ah
Battery voltage
12 V
Number of batteries supported
2
Battery recharge time
4 h

Design

Form factor
Rackmount
Housing material
Metal
Rack capacity
2U
Cable length
3 m
Product colour
Silver
LED indicators
Power

Operational conditions

Operating temperature (T-T)
0 - 40 °C
Storage temperature (T-T)
-15 - 45 °C
Operating relative humidity (H-H)
0 - 0.9%
Storage relative humidity (H-H)
0 - 0.95%
Operating altitude
0 - 3000 m
Non-operating altitude
0 - 14999 m

Certificates

Compliance certificates
RoHS, UL, Federal Communications Commission (FCC)

Packaging content

Rack mount kit
Yes
Cables included
USB cable

Weight & dimensions

Width
433 mm
Depth
374 mm
Height
86 mm
Weight
16.2 kg

Specifications and images: Database Right data-sheet 2026 Icecat. All rights reserved. Supplied as is, without warranty. Specs Icecat · Open Content License

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