UPS Battery Backups · Head to head

CyberPower ST425 vs Ubiquiti UniFi UPS Tower

Full UPS Battery Backups comparison in 2026

Updated October 2026
Data from Amazon and official CyberPower and Ubiquiti sites.
2026 verdict
Between Ubiquiti UniFi UPS Tower and CyberPower ST425, Ubiquiti UniFi UPS Tower is the better overall pick in 2026, leading on battery, outlets & ports, and automatic voltage regulation.
Ubiquiti UniFi UPS Tower
Winner
Ubiquiti UniFi UPS Tower

Last recorded price

Currently unavailable on Amazon USA
See on Amazon USA
It builds its lead on battery, outlets & ports, and automatic voltage regulation, then backs it up with a stronger showing on connectivity and monitoring & management. CyberPower ST425 can still be the right pick, but only if warranty outweighs the wider strengths of Ubiquiti UniFi UPS Tower. For the average buyer, Ubiquiti UniFi UPS Tower is the safer choice.
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FeatureCyberPower ST425Ubiquiti UniFi UPS TowerWinner
Warranty3 years2 yearsCyberPower ST425
BatteryNoneUser Replaceable Battery, Hot Swappable BatteryUbiquiti UniFi UPS Tower
Outlets & PortsNoneEthernet Surge ProtectionUbiquiti UniFi UPS Tower
Automatic Voltage RegulationNOYESUbiquiti UniFi UPS Tower
ConnectivityNoneEthernetUbiquiti UniFi UPS Tower
Monitoring & ManagementNoneNetwork Management Card Slot, Mobile AppUbiquiti UniFi UPS Tower
IntegrationsNoneHome AssistantUbiquiti UniFi UPS Tower
CyberPower

CyberPower ST425

8% OFF
Prime exclusive deal
$59.95
$64.95

Last recorded price

Buy on Amazon USA
  • + Warranty: 3 years
  • - Battery: None vs User Replaceable Battery, Hot Swappable Battery
  • - Outlets & Ports: None vs Ethernet Surge Protection
Winner
Ubiquiti

Ubiquiti UniFi UPS Tower

Price unavailable right now

Last recorded price

Currently unavailable on Amazon USA
See on Amazon USA
  • + Battery: User Replaceable Battery, Hot Swappable Battery
  • + Outlets & Ports: Ethernet Surge Protection
  • + Automatic Voltage Regulation: YES
  • - Warranty: 2 years vs 3 years

Price history compared

Every price change of both, in the same store, so the gap between the two lines is what one costs more than the other.

  • CyberPower ST425
  • Ubiquiti UniFi UPS Tower

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Frequently Asked Questions

Which is better overall: CyberPower ST425 or Ubiquiti UniFi UPS Tower?

Ubiquiti UniFi UPS Tower has the stronger overall profile in this comparison, especially for battery, outlets & ports, and automatic voltage regulation.

What is the biggest difference between CyberPower ST425 and Ubiquiti UniFi UPS Tower?

Warranty is one of the clearest differences: CyberPower ST425 lists 3 years, while Ubiquiti UniFi UPS Tower lists 2 years.

Who should buy CyberPower ST425?

Choose CyberPower ST425 if your priority is warranty and that matters more than battery.

Who should buy Ubiquiti UniFi UPS Tower?

Choose Ubiquiti UniFi UPS Tower if your priority is battery and outlets & ports and that matters more than warranty.

Full comparison table

Compare all 18 UPS Battery Backups side by side

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  • 18 UPS Battery Backups
  • 41 specs compared
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