Skip to content
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!

  • Deltec Poweright Pro II 6V 12Ah UPS Replacement Battery
    $19.99 - $19.99
    $19.99
    $19.99 - $19.99
    $19.99

    Deltec Poweright Pro II 6V 12Ah UPS Replacement Battery

    In stock

    Info AJC® replacement compatible with Deltec Poweright Pro II UPS Battery Exact OEM replacement guaranteed to fit easily and precisely Maintenance ...

    View full details
    $19.99 - $19.99
    $19.99
    $19.99 - $19.99
    $19.99
  • Deltec PRK600 6V 12Ah UPS Replacement Battery
    $19.99 - $19.99
    $19.99
    $19.99 - $19.99
    $19.99

    Deltec PRK600 6V 12Ah UPS Replacement Battery

    In stock

    Info AJC® replacement compatible with Deltec PRK600 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
  • Deltec PRK450 6V 12Ah UPS Replacement Battery
    $19.99 - $19.99
    $19.99
    $19.99 - $19.99
    $19.99

    Deltec PRK450 6V 12Ah UPS Replacement Battery

    In stock

    Info AJC® replacement compatible with Deltec PRK450 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
  • Deltec PR450 6V 12Ah UPS Replacement Battery
    $19.99 - $19.99
    $19.99
    $19.99 - $19.99
    $19.99

    Deltec PR450 6V 12Ah UPS Replacement Battery

    In stock

    Info AJC® replacement compatible with Deltec PR450 UPS Battery Exact OEM replacement guaranteed to fit easily and precisely Maintenance free AGM te...

    View full details
    $19.99 - $19.99
    $19.99
    $19.99 - $19.99
    $19.99
  • Deltec PRA 1000 6V 12Ah UPS Replacement Battery
    $19.99 - $19.99
    $19.99
    $19.99 - $19.99
    $19.99

    Deltec PRA 1000 6V 12Ah UPS Replacement Battery

    In stock

    Info AJC® replacement compatible with Deltec PRA 1000 UPS Battery Exact OEM replacement guaranteed to fit easily and precisely Maintenance free AGM...

    View full details
    $19.99 - $19.99
    $19.99
    $19.99 - $19.99
    $19.99
  • Deltec PowerRite 1500A 12V 22Ah UPS Replacement Battery
    $65.49 - $65.49
    $65.49
    $65.49 - $65.49
    $65.49

    Deltec PowerRite 1500A 12V 22Ah UPS Replacement Battery

    In stock

    Info AJC® replacement compatible with Deltec PowerRite 1500A UPS Battery Exact OEM replacement guaranteed to fit easily and precisely Maintenance f...

    View full details
    $65.49 - $65.49
    $65.49
    $65.49 - $65.49
    $65.49
  • Deltec PRA 1500 12V 22Ah UPS Replacement Battery
    $65.49 - $65.49
    $65.49
    $65.49 - $65.49
    $65.49

    Deltec PRA 1500 12V 22Ah UPS Replacement Battery

    In stock

    Info AJC® replacement compatible with Deltec PRA 1500 UPS Battery Exact OEM replacement guaranteed to fit easily and precisely Maintenance free AGM...

    View full details
    $65.49 - $65.49
    $65.49
    $65.49 - $65.49
    $65.49
  • Deltec PowerRite Pro PRA2000 12V 22Ah UPS Replacement Battery
    $65.49 - $65.49
    $65.49
    $65.49 - $65.49
    $65.49

    Deltec PowerRite Pro PRA2000 12V 22Ah UPS Replacement Battery

    In stock

    Info AJC® replacement compatible with Deltec PowerRite Pro PRA2000 UPS Battery Exact OEM replacement guaranteed to fit easily and precisely Mainten...

    View full details
    $65.49 - $65.49
    $65.49
    $65.49 - $65.49
    $65.49
  • Deltec PowerRite Pro II PRC1500 12V 22Ah UPS Replacement Battery
    $65.49 - $65.49
    $65.49
    $65.49 - $65.49
    $65.49

    Deltec PowerRite Pro II PRC1500 12V 22Ah UPS Replacement Battery

    In stock

    Info AJC® replacement compatible with Deltec PowerRite Pro II PRC1500 UPS Battery Exact OEM replacement guaranteed to fit easily and precisely Main...

    View full details
    $65.49 - $65.49
    $65.49
    $65.49 - $65.49
    $65.49
  • Deltec PowerRite Pro PRA1000 PRA1000A 12V 22Ah UPS Replacement Battery
    $65.49 - $65.49
    $65.49
    $65.49 - $65.49
    $65.49

    Deltec PowerRite Pro PRA1000 PRA1000A 12V 22Ah UPS Replacement Battery

    In stock

    Info AJC® replacement compatible with Deltec PowerRite Pro PRA1000 PRA1000A UPS Battery Exact OEM replacement guaranteed to fit easily and precisel...

    View full details
    $65.49 - $65.49
    $65.49
    $65.49 - $65.49
    $65.49
  • Deltec PRA 2000 12V 22Ah UPS Replacement Battery
    $65.49 - $65.49
    $65.49
    $65.49 - $65.49
    $65.49

    Deltec PRA 2000 12V 22Ah UPS Replacement Battery

    In stock

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

    View full details
    $65.49 - $65.49
    $65.49
    $65.49 - $65.49
    $65.49
  • Deltec 2106CT2 12V 22Ah UPS Replacement Battery
    $65.49 - $65.49
    $65.49
    $65.49 - $65.49
    $65.49

    Deltec 2106CT2 12V 22Ah UPS Replacement Battery

    In stock

    Info AJC® replacement compatible with Deltec 2106CT2 UPS Battery Exact OEM replacement guaranteed to fit easily and precisely Maintenance free AGM ...

    View full details
    $65.49 - $65.49
    $65.49
    $65.49 - $65.49
    $65.49
  • Deltec PowerRite 1500A 12V 18Ah UPS Replacement Battery
    $57.19 - $57.19
    $57.19
    $57.19 - $57.19
    $57.19

    Deltec PowerRite 1500A 12V 18Ah UPS Replacement Battery

    In stock

    Info AJC® replacement compatible with Deltec PowerRite 1500A UPS Battery Exact OEM replacement guaranteed to fit easily and precisely Maintenance f...

    View full details
    $57.19 - $57.19
    $57.19
    $57.19 - $57.19
    $57.19
  • Deltec RS21 12V 8Ah UPS Replacement Battery
    $29.19 - $29.19
    $29.19
    $29.19 - $29.19
    $29.19

    Deltec RS21 12V 8Ah UPS Replacement Battery

    In stock

    Info AJC® replacement compatible with Deltec RS21 UPS Battery Exact OEM replacement guaranteed to fit easily and precisely Maintenance free AGM tec...

    View full details
    $29.19 - $29.19
    $29.19
    $29.19 - $29.19
    $29.19
  • Deltec PRC1000A 12V 8Ah UPS Replacement Battery
    $29.19 - $29.19
    $29.19
    $29.19 - $29.19
    $29.19

    Deltec PRC1000A 12V 8Ah UPS Replacement Battery

    In stock

    Info AJC® replacement compatible with Deltec PRC1000A UPS Battery Exact OEM replacement guaranteed to fit easily and precisely Maintenance free AGM...

    View full details
    $29.19 - $29.19
    $29.19
    $29.19 - $29.19
    $29.19
  • Deltec PRA400 12V 7Ah UPS Replacement Battery
    $23.99 - $23.99
    $23.99
    $23.99 - $23.99
    $23.99

    Deltec PRA400 12V 7Ah UPS Replacement Battery

    In stock

    Info AJC® replacement compatible with Deltec PRA400 UPS Battery Exact OEM replacement guaranteed to fit easily and precisely Maintenance free AGM t...

    View full details
    $23.99 - $23.99
    $23.99
    $23.99 - $23.99
    $23.99
  • Deltec 3115-300 12V 7Ah UPS Replacement Battery
    $23.99 - $23.99
    $23.99
    $23.99 - $23.99
    $23.99

    Deltec 3115-300 12V 7Ah UPS Replacement Battery

    In stock

    Info AJC® replacement compatible with Deltec 3115-300 UPS Battery Exact OEM replacement guaranteed to fit easily and precisely Maintenance free AGM...

    View full details
    $23.99 - $23.99
    $23.99
    $23.99 - $23.99
    $23.99
  • Deltec 525 12V 5Ah UPS Replacement Battery
    $19.99 - $19.99
    $19.99
    $19.99 - $19.99
    $19.99

    Deltec 525 12V 5Ah UPS Replacement Battery

    In stock

    Info AJC® replacement compatible with Deltec 525 UPS Battery Exact OEM replacement guaranteed to fit easily and precisely Maintenance free AGM tech...

    View full details
    $19.99 - $19.99
    $19.99
    $19.99 - $19.99
    $19.99
  • Deltec 1050 12V 4.5Ah UPS Replacement Battery
    $18.59 - $18.59
    $18.59
    $18.59 - $18.59
    $18.59

    Deltec 1050 12V 4.5Ah UPS Replacement Battery

    In stock

    Info AJC® replacement compatible with Deltec 1050 UPS Battery Exact OEM replacement guaranteed to fit easily and precisely Maintenance free AGM tec...

    View full details
    $18.59 - $18.59
    $18.59
    $18.59 - $18.59
    $18.59
  • Deltec 2026C 12V 26Ah UPS Replacement Battery
    $99.29 - $99.29
    $99.29
    $99.29 - $99.29
    $99.29

    Deltec 2026C 12V 26Ah UPS Replacement Battery

    In stock

    Info AJC® replacement compatible with Deltec 2026C UPS Battery Exact OEM replacement guaranteed to fit easily and precisely Maintenance free AGM te...

    View full details
    $99.29 - $99.29
    $99.29
    $99.29 - $99.29
    $99.29
  • Deltec DM12-26 12V 26Ah UPS Replacement Battery
    $99.29 - $99.29
    $99.29
    $99.29 - $99.29
    $99.29

    Deltec DM12-26 12V 26Ah UPS Replacement Battery

    In stock

    Info AJC® replacement compatible with Deltec DM12-26 UPS Battery Exact OEM replacement guaranteed to fit easily and precisely Maintenance free AGM ...

    View full details
    $99.29 - $99.29
    $99.29
    $99.29 - $99.29
    $99.29
  • Deltec 2036CUB12180 SLA 12V 18Ah UPS Replacement Battery
    $57.19 - $57.19
    $57.19
    $57.19 - $57.19
    $57.19

    Deltec 2036CUB12180 SLA 12V 18Ah UPS Replacement Battery

    In stock

    Info AJC® replacement compatible with Deltec 2036CUB12180 SLA UPS Battery Exact OEM replacement guaranteed to fit easily and precisely Maintenance ...

    View full details
    $57.19 - $57.19
    $57.19
    $57.19 - $57.19
    $57.19
  • Deltec PowerRite Pro II PRC1500 12V 18Ah UPS Replacement Battery
    $57.19 - $57.19
    $57.19
    $57.19 - $57.19
    $57.19

    Deltec PowerRite Pro II PRC1500 12V 18Ah UPS Replacement Battery

    In stock

    Info AJC® replacement compatible with Deltec PowerRite Pro II PRC1500 UPS Battery Exact OEM replacement guaranteed to fit easily and precisely Main...

    View full details
    $57.19 - $57.19
    $57.19
    $57.19 - $57.19
    $57.19
  • Deltec 2106CT2 12V 18Ah UPS Replacement Battery
    $57.19 - $57.19
    $57.19
    $57.19 - $57.19
    $57.19

    Deltec 2106CT2 12V 18Ah UPS Replacement Battery

    In stock

    Info AJC® replacement compatible with Deltec 2106CT2 UPS Battery Exact OEM replacement guaranteed to fit easily and precisely Maintenance free AGM ...

    View full details
    $57.19 - $57.19
    $57.19
    $57.19 - $57.19
    $57.19

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.