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BatteryClerk Prime FAST 1-2 day shipping to most of Canada
BatteryClerk Prime FAST 1-2 day shipping to most of Canada

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!

  • Unison DP800 12V 4.5Ah UPS Replacement Battery
    $18.59 - $18.59
    $18.59
    $18.59 - $18.59
    $18.59

    Unison DP800 12V 4.5Ah UPS Replacement Battery

    In stock

    Info AJC® replacement compatible with Unison DP800 UPS Battery Exact OEM replacement guaranteed to fit easily and precisely Maintenance free AGM te...

    View full details
    $18.59 - $18.59
    $18.59
    $18.59 - $18.59
    $18.59
  • Unison 600 12V 4.5Ah UPS Replacement Battery
    $18.59 - $18.59
    $18.59
    $18.59 - $18.59
    $18.59

    Unison 600 12V 4.5Ah UPS Replacement Battery

    In stock

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

    View full details
    $18.59 - $18.59
    $18.59
    $18.59 - $18.59
    $18.59
  • Unison PS4.5 12V 4.5Ah UPS Replacement Battery
    $18.59 - $18.59
    $18.59
    $18.59 - $18.59
    $18.59

    Unison PS4.5 12V 4.5Ah UPS Replacement Battery

    In stock

    Info AJC® replacement compatible with Unison PS4.5 UPS Battery Exact OEM replacement guaranteed to fit easily and precisely Maintenance free AGM te...

    View full details
    $18.59 - $18.59
    $18.59
    $18.59 - $18.59
    $18.59
  • Unison PS4.5N 12V 4.5Ah UPS Replacement Battery
    $18.59 - $18.59
    $18.59
    $18.59 - $18.59
    $18.59

    Unison PS4.5N 12V 4.5Ah UPS Replacement Battery

    In stock

    Info AJC® replacement compatible with Unison PS4.5N UPS Battery Exact OEM replacement guaranteed to fit easily and precisely Maintenance free AGM t...

    View full details
    $18.59 - $18.59
    $18.59
    $18.59 - $18.59
    $18.59
  • Unison 600 (6 Volt, 5 Ah) 6V 4.5Ah UPS Replacement Battery-1
    $10.29 - $10.29
    $10.29
    $10.29 - $10.29
    $10.29

    Unison 600 6V 4.5Ah UPS Replacement Battery

    In stock

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

    View full details
    $10.29 - $10.29
    $10.29
    $10.29 - $10.29
    $10.29
  • Unison DP800 (6 Volt, 5 Ah) 6V 4.5Ah UPS Replacement Battery-1
    $10.29 - $10.29
    $10.29
    $10.29 - $10.29
    $10.29

    Unison DP800 6V 4.5Ah UPS Replacement Battery

    In stock

    Info AJC® replacement compatible with Unison DP800 UPS Battery Exact OEM replacement guaranteed to fit easily and precisely Maintenance free AGM te...

    View full details
    $10.29 - $10.29
    $10.29
    $10.29 - $10.29
    $10.29
  • Unison DP1000 6V 4.5Ah UPS Replacement Battery
    $10.29 - $10.29
    $10.29
    $10.29 - $10.29
    $10.29

    Unison DP1000 6V 4.5Ah UPS Replacement Battery

    In stock

    Info AJC® replacement compatible with Unison DP1000 UPS Battery Exact OEM replacement guaranteed to fit easily and precisely Maintenance free AGM t...

    View full details
    $10.29 - $10.29
    $10.29
    $10.29 - $10.29
    $10.29
  • Unison PS1000 6V 12Ah UPS Replacement Battery
    $19.99 - $19.99
    $19.99
    $19.99 - $19.99
    $19.99

    Unison PS1000 6V 12Ah UPS Replacement Battery

    In stock

    Info AJC® replacement compatible with Unison PS1000 UPS Battery Exact OEM replacement guaranteed to fit easily and precisely Maintenance free AGM t...

    View full details
    $19.99 - $19.99
    $19.99
    $19.99 - $19.99
    $19.99

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.