Runtime, Batteries and Alarms

How long a UPS runs, when to test or swap the battery, lithium versus lead-acid and what the beeping means.

  • GOLDENMATE 1500VA/1200W Lithium UPS
    Runtime, Batteries and Alarms

    Best Lithium UPS Battery Backups for Home

    Compare the best lithium UPS options for home by watt capacity, battery size, outlet count and form. Choose a backup for a PC, network gear or rack.

  • CyberPower CP1500PFCLCD 1500VA Sine Wave UPS
    Runtime, Batteries and Alarms

    How Long Will a 1500VA UPS Run Your Computer?

    How long will a 1500VA UPS last? Estimate runtime by your equipment's watt draw, compare features, and choose a backup plan that fits your computer setup.

  • GOLDENMATE 1000VA/600W Lithium UPS
    Runtime, Batteries and Alarms

    How Often Should You Replace a UPS Battery?

    Learn how often to replace a UPS battery, how to spot battery trouble, and how to choose, install, and care for a compatible replacement.

  • CyberPower CP1500AVRLCD3 1500VA UPS
    Runtime, Batteries and Alarms

    How to Test a UPS Battery at Home

    Learn how to test a UPS battery at home with a self-test, a safe backup check, and clear steps for spotting battery problems and choosing a replacement.

  • CyberPower CP1500PFCLCD 1500VA Sine Wave UPS
    Runtime, Batteries and Alarms

    Lithium-Ion vs Lead-Acid UPS Batteries Compared

    Compare lithium ion UPS vs lead acid batteries by lifespan, replacement needs, cost over time and use case to choose the right backup for your equipment.

  • APC APCRBC154 Replacement Battery
    Runtime, Batteries and Alarms

    Why Is My UPS Beeping? What Each Alarm Means

    Why is my UPS beeping? Learn how to read common alarm clues, check power and load, spot battery issues, and decide when to replace or service it.