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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

Don't let a power outage bring your business to a halt! BatteryClerk offers a wide selection of high-quality replacement batteries for UPS systems, ensuring your critical equipment stays protected and operational during power disruptions. We carry top brands and provide expert advice to help you find the right battery for your specific UPS model. With competitive prices and fast shipping, BatteryClerk makes it easy to keep your business running smoothly.

  • Fortress Best Power UT8K 12V 75Ah UPS Replacement Battery
    $177.19 - $177.19
    $177.19
    $177.19 - $177.19
    $177.19

    Fortress Best Power UT8K 12V 75Ah UPS Replacement Battery

    In stock

    Info AJC® replacement compatible with Fortress Best Power UT8K UPS Battery Exact OEM replacement guaranteed to fit easily and precisely Maintenance...

    View full details
    $177.19 - $177.19
    $177.19
    $177.19 - $177.19
    $177.19
  • Fortress Best Power BAT-0063 6V 10Ah UPS Replacement Battery
    $17.49 - $17.49
    $17.49
    $17.49 - $17.49
    $17.49

    Fortress Best Power BAT-0063 6V 10Ah UPS Replacement Battery

    In stock

    Info AJC® replacement compatible with Fortress Best Power BAT-0063 UPS Battery Exact OEM replacement guaranteed to fit easily and precisely Mainten...

    View full details
    $17.49 - $17.49
    $17.49
    $17.49 - $17.49
    $17.49
  • Fortress Best Power BAT-0065 12V 35Ah UPS Replacement Battery
    $92.89 - $92.89
    $92.89
    $92.89 - $92.89
    $92.89

    Fortress Best Power BAT-0065 12V 35Ah UPS Replacement Battery

    In stock

    Info AJC® replacement compatible with Fortress Best Power BAT-0065 UPS Battery Exact OEM replacement guaranteed to fit easily and precisely Mainten...

    View full details
    $92.89 - $92.89
    $92.89
    $92.89 - $92.89
    $92.89
  • Fortress Best Power Blackout Buster 12V 7Ah UPS Replacement Battery
    $18.59 - $18.59
    $18.59
    $18.59 - $18.59
    $18.59

    Fortress Best Power Blackout Buster 12V 7Ah UPS Replacement Battery

    In stock

    Info AJC® replacement compatible with Fortress Best Power Blackout Buster UPS Battery Exact OEM replacement guaranteed to fit easily and precisely ...

    View full details
    $18.59 - $18.59
    $18.59
    $18.59 - $18.59
    $18.59
  • Fortress Best Power BA-41 (BAT-53) 12V 35Ah UPS Replacement Battery
    $92.89 - $92.89
    $92.89
    $92.89 - $92.89
    $92.89

    Fortress Best Power BA-41 (BAT-53) 12V 35Ah UPS Replacement Battery

    In stock

    Info AJC® replacement compatible with Fortress Best Power BA-41 BAT-53 UPS Battery Exact OEM replacement guaranteed to fit easily and precisely Ma...

    View full details
    $92.89 - $92.89
    $92.89
    $92.89 - $92.89
    $92.89