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!

  • ONEAC SE162XAT 12V 7Ah UPS Replacement Battery
    $23.99 - $23.99
    $23.99
    $23.99 - $23.99
    $23.99

    ONEAC SE162XAT 12V 7Ah UPS Replacement Battery

    In stock

    Info AJC® replacement compatible with ONEAC SE162XAT 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
  • ONEAC SE162XIT 12V 7Ah UPS Replacement Battery
    $23.99 - $23.99
    $23.99
    $23.99 - $23.99
    $23.99

    ONEAC SE162XIT 12V 7Ah UPS Replacement Battery

    In stock

    Info AJC® replacement compatible with ONEAC SE162XIT 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
  • ONEAC SE162XJT 12V 7Ah UPS Replacement Battery
    $23.99 - $23.99
    $23.99
    $23.99 - $23.99
    $23.99

    ONEAC SE162XJT 12V 7Ah UPS Replacement Battery

    In stock

    Info AJC® replacement compatible with ONEAC SE162XJT 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
  • ONEAC SE122XJT 12V 7Ah UPS Replacement Battery
    $23.99 - $23.99
    $23.99
    $23.99 - $23.99
    $23.99

    ONEAC SE122XJT 12V 7Ah UPS Replacement Battery

    In stock

    Info AJC® replacement compatible with ONEAC SE122XJT 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
  • ONEAC SE202XIT 12V 7Ah UPS Replacement Battery
    $23.99 - $23.99
    $23.99
    $23.99 - $23.99
    $23.99

    ONEAC SE202XIT 12V 7Ah UPS Replacement Battery

    In stock

    Info AJC® replacement compatible with ONEAC SE202XIT 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
  • ONEAC SE202XJT 12V 7Ah UPS Replacement Battery
    $23.99 - $23.99
    $23.99
    $23.99 - $23.99
    $23.99

    ONEAC SE202XJT 12V 7Ah UPS Replacement Battery

    In stock

    Info AJC® replacement compatible with ONEAC SE202XJT 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
  • ONEAC SE202XAT 12V 7Ah UPS Replacement Battery
    $23.99 - $23.99
    $23.99
    $23.99 - $23.99
    $23.99

    ONEAC SE202XAT 12V 7Ah UPS Replacement Battery

    In stock

    Info AJC® replacement compatible with ONEAC SE202XAT 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
  • ONEAC ONE PLUS 1000 12V 7Ah UPS Replacement Battery
    $23.99 - $23.99
    $23.99
    $23.99 - $23.99
    $23.99

    ONEAC ONE PLUS 1000 12V 7Ah UPS Replacement Battery

    In stock

    Info AJC® replacement compatible with ONEAC ONE PLUS 1000 UPS Battery Exact OEM replacement guaranteed to fit easily and precisely Maintenance free...

    View full details
    $23.99 - $23.99
    $23.99
    $23.99 - $23.99
    $23.99
  • ONEAC Sinergy II S700XAU 12V 7Ah UPS Replacement Battery
    $23.99 - $23.99
    $23.99
    $23.99 - $23.99
    $23.99

    ONEAC Sinergy II S700XAU 12V 7Ah UPS Replacement Battery

    In stock

    Info AJC® replacement compatible with ONEAC Sinergy II S700XAU UPS Battery Exact OEM replacement guaranteed to fit easily and precisely Maintenance...

    View full details
    $23.99 - $23.99
    $23.99
    $23.99 - $23.99
    $23.99
  • ONEAC ON2000XAU-CN 12V 5Ah UPS Replacement Battery
    $19.99 - $19.99
    $19.99
    $19.99 - $19.99
    $19.99

    ONEAC ON2000XAU-CN 12V 5Ah UPS Replacement Battery

    In stock

    Info AJC® replacement compatible with ONEAC ON2000XAU-CN UPS Battery Exact OEM replacement guaranteed to fit easily and precisely Maintenance free ...

    View full details
    $19.99 - $19.99
    $19.99
    $19.99 - $19.99
    $19.99
  • ONEAC ON2000XAU-TN 12V 5Ah UPS Replacement Battery
    $19.99 - $19.99
    $19.99
    $19.99 - $19.99
    $19.99

    ONEAC ON2000XAU-TN 12V 5Ah UPS Replacement Battery

    In stock

    Info AJC® replacement compatible with ONEAC ON2000XAU-TN UPS Battery Exact OEM replacement guaranteed to fit easily and precisely Maintenance free ...

    View full details
    $19.99 - $19.99
    $19.99
    $19.99 - $19.99
    $19.99
  • ONEAC ON2000XIU-SN 12V 5Ah UPS Replacement Battery
    $19.99 - $19.99
    $19.99
    $19.99 - $19.99
    $19.99

    ONEAC ON2000XIU-SN 12V 5Ah UPS Replacement Battery

    In stock

    Info AJC® replacement compatible with ONEAC ON2000XIU-SN UPS Battery Exact OEM replacement guaranteed to fit easily and precisely Maintenance free ...

    View full details
    $19.99 - $19.99
    $19.99
    $19.99 - $19.99
    $19.99
  • ONEAC ON2000XAU-SN 12V 5Ah UPS Replacement Battery
    $19.99 - $19.99
    $19.99
    $19.99 - $19.99
    $19.99

    ONEAC ON2000XAU-SN 12V 5Ah UPS Replacement Battery

    In stock

    Info AJC® replacement compatible with ONEAC ON2000XAU-SN UPS Battery Exact OEM replacement guaranteed to fit easily and precisely Maintenance free ...

    View full details
    $19.99 - $19.99
    $19.99
    $19.99 - $19.99
    $19.99
  • ONEAC 436-028 12V 5Ah UPS Replacement Battery
    $19.99 - $19.99
    $19.99
    $19.99 - $19.99
    $19.99

    ONEAC 436-028 12V 5Ah UPS Replacement Battery

    In stock

    Info AJC® replacement compatible with ONEAC 436-028 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
  • ONEAC ON700XAU-CN 12V 5Ah UPS Replacement Battery
    $19.99 - $19.99
    $19.99
    $19.99 - $19.99
    $19.99

    ONEAC ON700XAU-CN 12V 5Ah UPS Replacement Battery

    In stock

    Info AJC® replacement compatible with ONEAC ON700XAU-CN UPS Battery Exact OEM replacement guaranteed to fit easily and precisely Maintenance free A...

    View full details
    $19.99 - $19.99
    $19.99
    $19.99 - $19.99
    $19.99
  • ONEAC ON1000XAU-CN 12V 5Ah UPS Replacement Battery
    $19.99 - $19.99
    $19.99
    $19.99 - $19.99
    $19.99

    ONEAC ON1000XAU-CN 12V 5Ah UPS Replacement Battery

    In stock

    Info AJC® replacement compatible with ONEAC ON1000XAU-CN UPS Battery Exact OEM replacement guaranteed to fit easily and precisely Maintenance free ...

    View full details
    $19.99 - $19.99
    $19.99
    $19.99 - $19.99
    $19.99
  • ONEAC ON1000 12V 5Ah UPS Replacement Battery
    $19.99 - $19.99
    $19.99
    $19.99 - $19.99
    $19.99

    ONEAC ON1000 12V 5Ah UPS Replacement Battery

    In stock

    Info AJC® replacement compatible with ONEAC ON1000 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
  • ONEAC ON1500XAU-CN 12V 5Ah UPS Replacement Battery
    $19.99 - $19.99
    $19.99
    $19.99 - $19.99
    $19.99

    ONEAC ON1500XAU-CN 12V 5Ah UPS Replacement Battery

    In stock

    Info AJC® replacement compatible with ONEAC ON1500XAU-CN UPS Battery Exact OEM replacement guaranteed to fit easily and precisely Maintenance free ...

    View full details
    $19.99 - $19.99
    $19.99
    $19.99 - $19.99
    $19.99
  • ONEAC ONMXBC-217 12V 18Ah UPS Replacement Battery
    $57.19 - $57.19
    $57.19
    $57.19 - $57.19
    $57.19

    ONEAC ONMXBC-217 12V 18Ah UPS Replacement Battery

    In stock

    Info AJC® replacement compatible with ONEAC ONMXBC-217 UPS Battery Exact OEM replacement guaranteed to fit easily and precisely Maintenance free AG...

    View full details
    $57.19 - $57.19
    $57.19
    $57.19 - $57.19
    $57.19
  • ONEAC ONXBCU-147 12V 18Ah UPS Replacement Battery
    $57.19 - $57.19
    $57.19
    $57.19 - $57.19
    $57.19

    ONEAC ONXBCU-147 12V 18Ah UPS Replacement Battery

    In stock

    Info AJC® replacement compatible with ONEAC ONXBCU-147 UPS Battery Exact OEM replacement guaranteed to fit easily and precisely Maintenance free AG...

    View full details
    $57.19 - $57.19
    $57.19
    $57.19 - $57.19
    $57.19
  • ONEAC ON400I-SN 6V 4.5Ah UPS Replacement Battery
    $10.29 - $10.29
    $10.29
    $10.29 - $10.29
    $10.29

    ONEAC ON400I-SN 6V 4.5Ah UPS Replacement Battery

    In stock

    Info AJC® replacement compatible with ONEAC ON400I-SN UPS Battery Exact OEM replacement guaranteed to fit easily and precisely Maintenance free AGM...

    View full details
    $10.29 - $10.29
    $10.29
    $10.29 - $10.29
    $10.29
  • ONEAC SE101XJT 12V 9Ah UPS Replacement Battery
    $32.19 - $32.19
    $32.19
    $32.19 - $32.19
    $32.19

    ONEAC SE101XJT 12V 9Ah UPS Replacement Battery

    In stock

    Info AJC® replacement compatible with ONEAC SE101XJT UPS Battery Exact OEM replacement guaranteed to fit easily and precisely Maintenance free AGM ...

    View full details
    $32.19 - $32.19
    $32.19
    $32.19 - $32.19
    $32.19
  • ONEAC SE101XIT 12V 9Ah UPS Replacement Battery
    $32.19 - $32.19
    $32.19
    $32.19 - $32.19
    $32.19

    ONEAC SE101XIT 12V 9Ah UPS Replacement Battery

    In stock

    Info AJC® replacement compatible with ONEAC SE101XIT UPS Battery Exact OEM replacement guaranteed to fit easily and precisely Maintenance free AGM ...

    View full details
    $32.19 - $32.19
    $32.19
    $32.19 - $32.19
    $32.19
  • ONEAC SE101XAT 12V 9Ah UPS Replacement Battery
    $32.19 - $32.19
    $32.19
    $32.19 - $32.19
    $32.19

    ONEAC SE101XAT 12V 9Ah UPS Replacement Battery

    In stock

    Info AJC® replacement compatible with ONEAC SE101XAT UPS Battery Exact OEM replacement guaranteed to fit easily and precisely Maintenance free AGM ...

    View full details
    $32.19 - $32.19
    $32.19
    $32.19 - $32.19
    $32.19

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.