Product comparison · 2 uninterruptible power supplies (upss)

CyberPower Online S Series Online Double Conversion USV 1000VA/900WTower, ECO Mode, LCD, USB, Smart-Slot vs Vertiv Liebert PowerBank 6 kVA

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  • 26specifications compared
  • 19differ
  • 7identical
  • 49known for one product only

Key differences

The Vertiv Liebert PowerBank 6 kVA has 5 kVA more output power capacity than the CyberPower Online S Series Online Double Conversion USV 1000VA/900WTower, ECO Mode, LCD, USB, Smart-Slot (6 kVA vs 1 kVA). The Vertiv Liebert PowerBank 6 kVA has 3,300 W more output power than the CyberPower Online S Series Online Double Conversion USV 1000VA/900WTower, ECO Mode, LCD, USB, Smart-Slot (4200 W vs 900 W). The Vertiv Liebert PowerBank 6 kVA has 85 V more input operation voltage (min) than the CyberPower Online S Series Online Double Conversion USV 1000VA/900WTower, ECO Mode, LCD, USB, Smart-Slot (165 V vs 80 V). Input frequency: 50/60 Hz on the CyberPower Online S Series Online Double Conversion USV 1000VA/900WTower, ECO Mode, LCD, USB, Smart-Slot, 50 Hz on the Vertiv Liebert PowerBank 6 kVA. Output frequency: 50/60 Hz on the CyberPower Online S Series Online Double Conversion USV 1000VA/900WTower, ECO Mode, LCD, USB, Smart-Slot, 50 Hz on the Vertiv Liebert PowerBank 6 kVA.

  • Output power capacity
    • Online S Series Online Double Conversion USV 1000VA/900WTower, ECO Mode, LCD, USB, Smart-Slot:1 kVA
    • Liebert PowerBank 6 kVA:6 kVA
  • Output power
    • Online S Series Online Double Conversion USV 1000VA/900WTower, ECO Mode, LCD, USB, Smart-Slot:900 W
    • Liebert PowerBank 6 kVA:4200 W
  • Input operation voltage (min)
    • Online S Series Online Double Conversion USV 1000VA/900WTower, ECO Mode, LCD, USB, Smart-Slot:80 V
    • Liebert PowerBank 6 kVA:165 V
  • Input operation voltage (max)
    • Online S Series Online Double Conversion USV 1000VA/900WTower, ECO Mode, LCD, USB, Smart-Slot:300 V
    • Liebert PowerBank 6 kVA:275 V
  • Input frequency
    • Online S Series Online Double Conversion USV 1000VA/900WTower, ECO Mode, LCD, USB, Smart-Slot:50/60 Hz
    • Liebert PowerBank 6 kVA:50 Hz
  • Output operation voltage (min)
    • Online S Series Online Double Conversion USV 1000VA/900WTower, ECO Mode, LCD, USB, Smart-Slot:208 V
    • Liebert PowerBank 6 kVA:220 V
  • Output frequency
    • Online S Series Online Double Conversion USV 1000VA/900WTower, ECO Mode, LCD, USB, Smart-Slot:50/60 Hz
    • Liebert PowerBank 6 kVA:50 Hz
  • Efficiency (ECO mode)
    • Online S Series Online Double Conversion USV 1000VA/900WTower, ECO Mode, LCD, USB, Smart-Slot:95%
    • Liebert PowerBank 6 kVA:94%

Side by side

Differences highlightedShow differences only (on)
Comparison of OLS1KECR, Liebert PowerBank 6 kVA
75 specifications
Features8 differ
Output power capacityDiffers1 kVA6 kVA
Output powerDiffers900 W4200 W
Input operation voltage (min)Differs80 V165 V
Input operation voltage (max)Differs300 V275 V
Input frequencyDiffers50/60 Hz50 Hz
Output operation voltage (min)Differs208 V220 V
Output frequencyDiffers50/60 Hz50 Hz
Output voltage regulationKnown for one1%Unknown — not stated by the source
Automatic Voltage Regulation (AVR)Known for oneYesUnknown — not stated by the source
Maximum currentKnown for one4.5 AUnknown — not stated by the source
Surge energy ratingKnown for one370 JUnknown — not stated by the source
Heat dissipationKnown for one380 BTU/hUnknown — not stated by the source
Efficiency (ECO mode)Differs95%94%
Input power factorKnown for one0.99Unknown — not stated by the source
Output power factorKnown for one0.9Unknown — not stated by the source
ECO modeKnown for oneYesUnknown — not stated by the source
Emergency Power Off (EPO)Known for oneYesUnknown — not stated by the source
Overload capacity (1 minute)Known for one120%Unknown — not stated by the source
Overload capacity (10 seconds)Known for one120%Unknown — not stated by the source
Output voltage Total Harmonic Distortion (THD)Known for one5%Unknown — not stated by the source
EMI/RFI noise filteringKnown for oneYesUnknown — not stated by the source
Surge protectionKnown for oneYesUnknown — not stated by the source
Power protection featuresKnown for oneInput fuse, OverloadUnknown — not stated by the source
Audible alarm(s)Known for oneYesUnknown — not stated by the source
Audible alarm modesKnown for oneAlarm when on battery, Low battery alarm, Overload alarm, Fault, Battery replacementUnknown — not stated by the source
Socket circuit breakerKnown for oneYesUnknown — not stated by the source
Efficiency (On-line mode)Known for oneUnknown — not stated by the source89%
Noise levelKnown for oneUnknown — not stated by the source65 dB
Ports & interfacesidentical
AC outlet typesKnown for oneC13 coupler, Type FUnknown — not stated by the source
Power plugKnown for oneType FUnknown — not stated by the source
AC outlets quantityKnown for one3 AC outlet(s)Unknown — not stated by the source
USB portKnown for oneYesUnknown — not stated by the source
USB port typeKnown for oneUSB Type-BUnknown — not stated by the source
RS-232 portsKnown for one1Unknown — not stated by the source
Emergency Power Off (EPO) connectorKnown for oneYesUnknown — not stated by the source
Battery3 differ
Battery replacement accessibilityKnown for oneProfessional onlyUnknown — not stated by the source
Battery technologyKnown for oneSealed Lead Acid (VRLA)Unknown — not stated by the source
Battery capacityKnown for one9 AhUnknown — not stated by the source
Number of batteries supportedDiffers216
Typical backup time at full loadKnown for one3 minUnknown — not stated by the source
Typical backup time at half loadKnown for one13.3 minUnknown — not stated by the source
Battery recharge timeDiffers4 h12 h
Charging currentDiffers1.5 A1 A
Replacement battery cartridgeKnown for oneBPS24V40ACUnknown — not stated by the source
Number of batteries includedKnown for oneUnknown — not stated by the source16 pc(s)
Number of battery cellsKnown for oneUnknown — not stated by the source16
Hot-swap batteryKnown for oneUnknown — not stated by the sourceYes
Automatic battery testKnown for oneUnknown — not stated by the sourceYes
Design2 differ
Form factorDiffersTowerRackmount/Tower
Product colourDiffersBlackBlue, White
Housing materialKnown for oneMetalUnknown — not stated by the source
Cable lengthKnown for one1.5 mUnknown — not stated by the source
International Protection (IP) codeKnown for oneUnknown — not stated by the sourceIP20
Operational conditions2 differ
Operating temperature (T-T)Differs0 - 40 °C0 - 45 °C
Storage temperature (T-T)Differs-20 - 50 °C-20 - 70 °C
Storage relative humidity (H-H)Known for one0 - 95%Unknown — not stated by the source
Operating altitudeKnown for one0 - 1500 mUnknown — not stated by the source
Non-operating altitudeKnown for one0 - 1500 mUnknown — not stated by the source
Packaging contentidentical
Cables includedKnown for oneUSB cableUnknown — not stated by the source
ManualKnown for oneYesUnknown — not stated by the source
Rack mount kitKnown for oneUnknown — not stated by the sourceYes
Certificatesidentical
Compliance certificatesKnown for oneCE, EAC, UKCA, RoHSUnknown — not stated by the source
Weight & dimensions4 differ
WidthDiffers86 mm425 mm
DepthDiffers335 mm730 mm
HeightDiffers308 mm550 mm
WeightDiffers10 kg95 kg
Packaging dataidentical
Package weightKnown for one10.9 kgUnknown — not stated by the source
Other featuresidentical
BypassKnown for oneGreenPower UPSUnknown — not stated by the source

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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