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Product comparison · 2 uninterruptible power supplies (upss)

CyberPower OLS4KERT4UA-IEC uninterruptible power supply (UPS) Double-conversion (Online) 4 kVA vs CyberPower OLS5KERT4UA-IEC uninterruptible power supply (UPS) Double-conversion (Online) 5 kVA

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  • 78specifications compared
  • 8differ
  • 70identical
  • 0known for one product only

Key differences

The CyberPower OLS5KERT4UA-IEC uninterruptible power supply (UPS) Double-conversion (Online) 5 kVA has 1 kVA more output power capacity than the CyberPower OLS4KERT4UA-IEC uninterruptible power supply (UPS) Double-conversion (Online) 4 kVA (5 kVA vs 4 kVA). The CyberPower OLS5KERT4UA-IEC uninterruptible power supply (UPS) Double-conversion (Online) 5 kVA has 1,000 W more output power than the CyberPower OLS4KERT4UA-IEC uninterruptible power supply (UPS) Double-conversion (Online) 4 kVA (4800 W vs 3800 W). The CyberPower OLS5KERT4UA-IEC uninterruptible power supply (UPS) Double-conversion (Online) 5 kVA has 5 A more maximum current than the CyberPower OLS4KERT4UA-IEC uninterruptible power supply (UPS) Double-conversion (Online) 4 kVA (25 A vs 20 A).

  • Output power capacity
    • 4 kVA
    • 5 kVA
  • Output power
    • 3800 W
    • 4800 W
  • Maximum current
    • 20 A
    • 25 A
  • Output power factor
    • 0.95
    • 0.96
  • Typical backup time at full load
    • 6 min
    • 8 min
  • Typical backup time at half load
    • 15 min
    • 18 min
  • Weight
    • 55 kg
    • 63 kg
  • Package weight
    • 73 kg
    • 81 kg

Side by side

Differences highlightedShow differences only
78 specifications
A

CyberPower

OLS4KERT4UA-IEC uninterruptible power supply (UPS) Double-conversion (Online) 4 kVA

Model OLS4KERT4UA-IEC

View product
B

CyberPower

OLS5KERT4UA-IEC uninterruptible power supply (UPS) Double-conversion (Online) 5 kVA

Model OLS5KERT4UA-IEC

View product
Features4 differ
UPS topologyDouble-conversion (Online)Double-conversion (Online)
Output power capacityDiffers4 kVA5 kVA
Output powerDiffers3800 W4800 W
WaveformPure sinePure sine
Input operation voltage (min)110 V110 V
Input operation voltage (max)300 V300 V
Input frequency50/60 Hz50/60 Hz
Output operation voltage (min)200 V200 V
Output operation voltage (max)240 V240 V
Output frequency50/60 Hz50/60 Hz
Output frequency regulation0.5 Hz0.5 Hz
Output voltage regulation1%1%
Maximum currentDiffers20 A25 A
Surge energy rating1335 J1335 J
Heat dissipation1777 BTU/h1777 BTU/h
Number of input phases11
Number of output phases11
Efficiency (ECO mode)98%98%
Input power factor0.990.99
Output power factorDiffers0.950.96
Power Factor Correction (PFC) typeActiveActive
Crest factor3:13:1
ECO modeYesYes
Emergency Power Off (EPO)YesYes
Total Harmonic Distortion (THD) (linear load)1.5%1.5%
Total Harmonic Distortion (THD) (non-linear load)2%2%
EMI/RFI noise filteringYesYes
Detachable power cordYesYes
Power source typeACAC
Socket circuit breakerYesYes
Ports & interfacesidentical
AC outlet typesC13 coupler, C19 coupler, TerminalC13 coupler, C19 coupler, Terminal
Power plugTerminalTerminal
AC outlets quantity15 AC outlet(s)15 AC outlet(s)
USB portYesYes
USB 2.0 ports quantity11
USB port typeUSB Type-BUSB Type-B
Serial interfaceYesYes
Serial interface typeRS-232RS-232
RS-232 ports33
Serial ports quantity33
Emergency Power Off (EPO) connectorYesYes
SmartSlotYesYes
Battery2 differ
Battery technologySealed Lead Acid (VRLA)Sealed Lead Acid (VRLA)
Typical backup time at full loadDiffers6 min8 min
Typical backup time at half loadDiffers15 min18 min
Battery recharge time4 h4 h
Charging current4 A4 A
Hot-swap batteryYesYes
Designidentical
Form factorRackmount/TowerRackmount/Tower
Product colourBlackBlack
Housing materialMetalMetal
Rack capacity4U4U
Cooling typeActiveActive
Built-in fanYesYes
Control typeButtonsButtons
Display typeLCDLCD
LED indicatorsYesYes
Operational conditionsidentical
Operating temperature (T-T)0 - 40 °C0 - 40 °C
Storage temperature (T-T)-15 - 45 °C-15 - 45 °C
Operating relative humidity (H-H)0 - 95%0 - 95%
Storage relative humidity (H-H)0 - 95%0 - 95%
Operating altitude0 - 3000 m0 - 3000 m
Non-operating altitude0 - 15000 m0 - 15000 m
Certificatesidentical
Compliance certificatesCE, RoHSCE, RoHS
Sustainabilityidentical
Sustainability complianceYesYes
Weight & dimensions1 differ
Width433 mm433 mm
Depth661 mm661 mm
Height171 mm171 mm
WeightDiffers55 kg63 kg
Packaging data1 differ
Package width575 mm575 mm
Package depth890 mm890 mm
Package height404 mm404 mm
Package weightDiffers73 kg81 kg
Package typeBoxBox
Logistics dataidentical
Country of originChinaChina
Other featuresidentical
Nominal input voltage230 V230 V
Overload protectionYesYes
Quantity of delay expansion units (max)44

A dash means the value is not stated by the source. Unknown values are never counted for or against a product, and there is no overall score.

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