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BatteryClerk Prime FAST 1-2 day shipping to most of the USA
BatteryClerk Prime FAST 1-2 day shipping to most of the USA

UPS Batteries

Power outages shouldn’t mean downtime for your business. At BatteryClerk, we provide a wide range of high-quality replacement batteries for UPS systems, designed to keep your critical equipment running seamlessly during unexpected power disruptions. Our inventory features top brands, and our team of experts is here to help you find the perfect battery for your specific UPS model. With unbeatable prices and fast, reliable shipping, BatteryClerk ensures your business stays protected and operational. Don’t let power interruptions slow you down—shop now and keep your operations running smoothly!

  • Upsonic STATION 100 12V 7Ah UPS Replacement Battery
    $18.59 - $18.59
    $18.59
    $18.59 - $18.59
    $18.59

    Upsonic STATION 100 12V 7Ah UPS Replacement Battery

    In stock

    Info AJC® replacement compatible with Upsonic STATION 100 UPS Battery Exact OEM replacement guaranteed to fit easily and precisely Maintenance free...

    View full details
    $18.59 - $18.59
    $18.59
    $18.59 - $18.59
    $18.59
  • UPSonic IS3000 12V 9Ah UPS Replacement Battery
    $26.29 - $26.29
    $26.29
    $26.29 - $26.29
    $26.29

    UPSonic IS3000 12V 9Ah UPS Replacement Battery

    In stock

    Info AJC® replacement compatible with UPSonic IS3000 UPS Battery Exact OEM replacement guaranteed to fit easily and precisely Maintenance free AGM ...

    View full details
    $26.29 - $26.29
    $26.29
    $26.29 - $26.29
    $26.29
  • UPSonic IS2000 12V 9Ah UPS Replacement Battery
    $26.29 - $26.29
    $26.29
    $26.29 - $26.29
    $26.29

    UPSonic IS2000 12V 9Ah UPS Replacement Battery

    In stock

    Info AJC® replacement compatible with UPSonic IS2000 UPS Battery Exact OEM replacement guaranteed to fit easily and precisely Maintenance free AGM ...

    View full details
    $26.29 - $26.29
    $26.29
    $26.29 - $26.29
    $26.29
  • UPSonic IS1000 12V 9Ah UPS Replacement Battery
    $26.29 - $26.29
    $26.29
    $26.29 - $26.29
    $26.29

    UPSonic IS1000 12V 9Ah UPS Replacement Battery

    In stock

    Info AJC® replacement compatible with UPSonic IS1000 UPS Battery Exact OEM replacement guaranteed to fit easily and precisely Maintenance free AGM ...

    View full details
    $26.29 - $26.29
    $26.29
    $26.29 - $26.29
    $26.29
  • UPSonic ESART3000 12V 9Ah UPS Replacement Battery
    $26.29 - $26.29
    $26.29
    $26.29 - $26.29
    $26.29

    UPSonic ESART3000 12V 9Ah UPS Replacement Battery

    In stock

    Info AJC® replacement compatible with UPSonic ESART3000 UPS Battery Exact OEM replacement guaranteed to fit easily and precisely Maintenance free A...

    View full details
    $26.29 - $26.29
    $26.29
    $26.29 - $26.29
    $26.29
  • UPSonic DS 800 12V 9Ah UPS Replacement Battery
    $26.29 - $26.29
    $26.29
    $26.29 - $26.29
    $26.29

    UPSonic DS 800 12V 9Ah UPS Replacement Battery

    In stock

    Info AJC® replacement compatible with UPSonic DS 800 UPS Battery Exact OEM replacement guaranteed to fit easily and precisely Maintenance free AGM ...

    View full details
    $26.29 - $26.29
    $26.29
    $26.29 - $26.29
    $26.29
  • UPSonic DS 1400 12V 9Ah UPS Replacement Battery
    $26.29 - $26.29
    $26.29
    $26.29 - $26.29
    $26.29

    UPSonic DS 1400 12V 9Ah UPS Replacement Battery

    In stock

    Info AJC® replacement compatible with UPSonic DS 1400 UPS Battery Exact OEM replacement guaranteed to fit easily and precisely Maintenance free AGM...

    View full details
    $26.29 - $26.29
    $26.29
    $26.29 - $26.29
    $26.29
  • UPSonic CXR 3000 12V 9Ah UPS Replacement Battery
    $26.29 - $26.29
    $26.29
    $26.29 - $26.29
    $26.29

    UPSonic CXR 3000 12V 9Ah UPS Replacement Battery

    In stock

    Info AJC® replacement compatible with UPSonic CXR 3000 UPS Battery Exact OEM replacement guaranteed to fit easily and precisely Maintenance free AG...

    View full details
    $26.29 - $26.29
    $26.29
    $26.29 - $26.29
    $26.29
  • UPSonic CXR 1500 12V 9Ah UPS Replacement Battery
    $26.29 - $26.29
    $26.29
    $26.29 - $26.29
    $26.29

    UPSonic CXR 1500 12V 9Ah UPS Replacement Battery

    In stock

    Info AJC® replacement compatible with UPSonic CXR 1500 UPS Battery Exact OEM replacement guaranteed to fit easily and precisely Maintenance free AG...

    View full details
    $26.29 - $26.29
    $26.29
    $26.29 - $26.29
    $26.29
  • UPSonic CS2000 12V 9Ah UPS Replacement Battery
    $26.29 - $26.29
    $26.29
    $26.29 - $26.29
    $26.29

    UPSonic CS2000 12V 9Ah UPS Replacement Battery

    In stock

    Info AJC® replacement compatible with UPSonic CS2000 UPS Battery Exact OEM replacement guaranteed to fit easily and precisely Maintenance free AGM ...

    View full details
    $26.29 - $26.29
    $26.29
    $26.29 - $26.29
    $26.29
  • UPSonic CS1500 12V 9Ah UPS Replacement Battery
    $26.29 - $26.29
    $26.29
    $26.29 - $26.29
    $26.29

    UPSonic CS1500 12V 9Ah UPS Replacement Battery

    In stock

    Info AJC® replacement compatible with UPSonic CS1500 UPS Battery Exact OEM replacement guaranteed to fit easily and precisely Maintenance free AGM ...

    View full details
    $26.29 - $26.29
    $26.29
    $26.29 - $26.29
    $26.29
  • UPSonic CS3000 12V 8Ah UPS Replacement Battery
    $21.79 - $21.79
    $21.79
    $21.79 - $21.79
    $21.79

    UPSonic CS3000 12V 8Ah UPS Replacement Battery

    In stock

    Info AJC® replacement compatible with UPSonic CS3000 UPS Battery Exact OEM replacement guaranteed to fit easily and precisely Maintenance free AGM ...

    View full details
    $21.79 - $21.79
    $21.79
    $21.79 - $21.79
    $21.79
  • UPSonic Orion 750 12V 8Ah UPS Replacement Battery
    $21.79 - $21.79
    $21.79
    $21.79 - $21.79
    $21.79

    UPSonic Orion 750 12V 8Ah UPS Replacement Battery

    In stock

    Info AJC® replacement compatible with UPSonic Orion 750 UPS Battery Exact OEM replacement guaranteed to fit easily and precisely Maintenance free A...

    View full details
    $21.79 - $21.79
    $21.79
    $21.79 - $21.79
    $21.79
  • UPSonic IRT 3000 12V 8Ah UPS Replacement Battery
    $21.79 - $21.79
    $21.79
    $21.79 - $21.79
    $21.79

    UPSonic IRT 3000 12V 8Ah UPS Replacement Battery

    In stock

    Info AJC® replacement compatible with UPSonic IRT 3000 UPS Battery Exact OEM replacement guaranteed to fit easily and precisely Maintenance free AG...

    View full details
    $21.79 - $21.79
    $21.79
    $21.79 - $21.79
    $21.79
  • UPSonic IRT 2000 12V 8Ah UPS Replacement Battery
    $21.79 - $21.79
    $21.79
    $21.79 - $21.79
    $21.79

    UPSonic IRT 2000 12V 8Ah UPS Replacement Battery

    In stock

    Info AJC® replacement compatible with UPSonic IRT 2000 UPS Battery Exact OEM replacement guaranteed to fit easily and precisely Maintenance free AG...

    View full details
    $21.79 - $21.79
    $21.79
    $21.79 - $21.79
    $21.79
  • UPSonic IRT 1000 12V 8Ah UPS Replacement Battery
    $21.79 - $21.79
    $21.79
    $21.79 - $21.79
    $21.79

    UPSonic IRT 1000 12V 8Ah UPS Replacement Battery

    In stock

    Info AJC® replacement compatible with UPSonic IRT 1000 UPS Battery Exact OEM replacement guaranteed to fit easily and precisely Maintenance free AG...

    View full details
    $21.79 - $21.79
    $21.79
    $21.79 - $21.79
    $21.79
  • UPSonic G 2000 12V 8Ah UPS Replacement Battery
    $21.79 - $21.79
    $21.79
    $21.79 - $21.79
    $21.79

    UPSonic G 2000 12V 8Ah UPS Replacement Battery

    In stock

    Info AJC® replacement compatible with UPSonic G 2000 UPS Battery Exact OEM replacement guaranteed to fit easily and precisely Maintenance free AGM ...

    View full details
    $21.79 - $21.79
    $21.79
    $21.79 - $21.79
    $21.79
  • UPSonic G 1400 12V 8Ah UPS Replacement Battery
    $21.79 - $21.79
    $21.79
    $21.79 - $21.79
    $21.79

    UPSonic G 1400 12V 8Ah UPS Replacement Battery

    In stock

    Info AJC® replacement compatible with UPSonic G 1400 UPS Battery Exact OEM replacement guaranteed to fit easily and precisely Maintenance free AGM ...

    View full details
    $21.79 - $21.79
    $21.79
    $21.79 - $21.79
    $21.79
  • UPSonic DS 600 12V 8Ah UPS Replacement Battery
    $21.79 - $21.79
    $21.79
    $21.79 - $21.79
    $21.79

    UPSonic DS 600 12V 8Ah UPS Replacement Battery

    In stock

    Info AJC® replacement compatible with UPSonic DS 600 UPS Battery Exact OEM replacement guaranteed to fit easily and precisely Maintenance free AGM ...

    View full details
    $21.79 - $21.79
    $21.79
    $21.79 - $21.79
    $21.79
  • UPSonic CSCT 3000 12V 8Ah UPS Replacement Battery
    $21.79 - $21.79
    $21.79
    $21.79 - $21.79
    $21.79

    UPSonic CSCT 3000 12V 8Ah UPS Replacement Battery

    In stock

    Info AJC® replacement compatible with UPSonic CSCT 3000 UPS Battery Exact OEM replacement guaranteed to fit easily and precisely Maintenance free A...

    View full details
    $21.79 - $21.79
    $21.79
    $21.79 - $21.79
    $21.79
  • UPSonic CSCT 2000 12V 8Ah UPS Replacement Battery
    $21.79 - $21.79
    $21.79
    $21.79 - $21.79
    $21.79

    UPSonic CSCT 2000 12V 8Ah UPS Replacement Battery

    In stock

    Info AJC® replacement compatible with UPSonic CSCT 2000 UPS Battery Exact OEM replacement guaranteed to fit easily and precisely Maintenance free A...

    View full details
    $21.79 - $21.79
    $21.79
    $21.79 - $21.79
    $21.79
  • UPSonic CSCT 1000 12V 8Ah UPS Replacement Battery
    $21.79 - $21.79
    $21.79
    $21.79 - $21.79
    $21.79

    UPSonic CSCT 1000 12V 8Ah UPS Replacement Battery

    In stock

    Info AJC® replacement compatible with UPSonic CSCT 1000 UPS Battery Exact OEM replacement guaranteed to fit easily and precisely Maintenance free A...

    View full details
    $21.79 - $21.79
    $21.79
    $21.79 - $21.79
    $21.79
  • UPSonic System 60 12V 7Ah UPS Replacement Battery
    $18.59 - $18.59
    $18.59
    $18.59 - $18.59
    $18.59

    UPSonic System 60 12V 7Ah UPS Replacement Battery

    In stock

    Info AJC® replacement compatible with UPSonic System 60 UPS Battery Exact OEM replacement guaranteed to fit easily and precisely Maintenance free A...

    View full details
    $18.59 - $18.59
    $18.59
    $18.59 - $18.59
    $18.59
  • UPSonic System 100 12V 7Ah UPS Replacement Battery
    $18.59 - $18.59
    $18.59
    $18.59 - $18.59
    $18.59

    UPSonic System 100 12V 7Ah UPS Replacement Battery

    In stock

    Info AJC® replacement compatible with UPSonic System 100 UPS Battery Exact OEM replacement guaranteed to fit easily and precisely Maintenance free ...

    View full details
    $18.59 - $18.59
    $18.59
    $18.59 - $18.59
    $18.59

Keep your data safe during emergencies and downtime with a UPS device. Just as important, keep your UPS device running with a reliable replacement or backup battery. BatteryClerk offers a wide range of affordable and reliable UPS replacement batteries for many top brands.

UPS Battery Replacement

UPS Battery Replacement

View our guide for installing UPS replacement batteries to ensure you get the most out of your new AJC brand battery.