Skip to content
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.

  • Deltec PRB 500 (6V12Ah) 6V 12Ah UPS Replacement Battery
    $18.49 - $18.49
    $18.49
    $18.49 - $18.49
    $18.49

    Deltec PRB 500 (6V12Ah) 6V 12Ah UPS Replacement Battery

    In stock

    Info AJC® replacement compatible with Deltec PRB 500 6V12Ah UPS Battery Exact OEM replacement guaranteed to fit easily and precisely Maintenance f...

    View full details
    $18.49 - $18.49
    $18.49
    $18.49 - $18.49
    $18.49
  • Deltec RS21 12V 8Ah UPS Replacement Battery
    $21.79 - $21.79
    $21.79
    $21.79 - $21.79
    $21.79

    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
    $21.79 - $21.79
    $21.79
    $21.79 - $21.79
    $21.79
  • Deltec RC1000 6V 12Ah UPS Replacement Battery
    $18.49 - $18.49
    $18.49
    $18.49 - $18.49
    $18.49

    Deltec RC1000 6V 12Ah UPS Replacement Battery

    In stock

    Info AJC® replacement compatible with Deltec RC1000 UPS Battery Exact OEM replacement guaranteed to fit easily and precisely Maintenance free AGM t...

    View full details
    $18.49 - $18.49
    $18.49
    $18.49 - $18.49
    $18.49
  • Deltec PRB 500 (12V10Ah) 12V 10Ah UPS Replacement Battery
    $33.99 - $33.99
    $33.99
    $33.99 - $33.99
    $33.99

    Deltec PRB 500 (12V10Ah) 12V 10Ah UPS Replacement Battery

    In stock

    Info AJC® replacement compatible with Deltec PRB 500 12V10Ah UPS Battery Exact OEM replacement guaranteed to fit easily and precisely Maintenance ...

    View full details
    $33.99 - $33.99
    $33.99
    $33.99 - $33.99
    $33.99
  • Deltec PowerRite Pro II PRC1000 6V 12Ah UPS Replacement Battery
    $18.49 - $18.49
    $18.49
    $18.49 - $18.49
    $18.49

    Deltec PowerRite Pro II PRC1000 6V 12Ah UPS Replacement Battery

    In stock

    Info AJC® replacement compatible with Deltec PowerRite Pro II PRC1000 UPS Battery Exact OEM replacement guaranteed to fit easily and precisely Main...

    View full details
    $18.49 - $18.49
    $18.49
    $18.49 - $18.49
    $18.49
  • Deltec DM12-26 12V 26Ah UPS Replacement Battery
    $75.49 - $75.49
    $75.49
    $75.49 - $75.49
    $75.49

    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
    $75.49 - $75.49
    $75.49
    $75.49 - $75.49
    $75.49
  • Deltec 750 12V 5Ah UPS Replacement Battery
    $16.99 - $16.99
    $16.99
    $16.99 - $16.99
    $16.99

    Deltec 750 12V 5Ah UPS Replacement Battery

    In stock

    Info AJC® replacement compatible with Deltec 750 UPS Battery Exact OEM replacement guaranteed to fit easily and precisely Maintenance free AGM tech...

    View full details
    $16.99 - $16.99
    $16.99
    $16.99 - $16.99
    $16.99
  • Deltec ET 1500 12V 5Ah UPS Replacement Battery
    $16.99 - $16.99
    $16.99
    $16.99 - $16.99
    $16.99

    Deltec ET 1500 12V 5Ah UPS Replacement Battery

    In stock

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

    View full details
    $16.99 - $16.99
    $16.99
    $16.99 - $16.99
    $16.99
  • Deltec 2036C 12V 18Ah UPS Replacement Battery
    $52.39 - $52.39
    $52.39
    $52.39 - $52.39
    $52.39

    Deltec 2036C 12V 18Ah UPS Replacement Battery

    In stock

    Info AJC® replacement compatible with Deltec 2036C UPS Battery Exact OEM replacement guaranteed to fit easily and precisely Maintenance free AGM te...

    View full details
    $52.39 - $52.39
    $52.39
    $52.39 - $52.39
    $52.39
  • Deltec PRM1000 6V 12Ah UPS Replacement Battery
    $18.49 - $18.49
    $18.49
    $18.49 - $18.49
    $18.49

    Deltec PRM1000 6V 12Ah UPS Replacement Battery

    In stock

    Info AJC® replacement compatible with Deltec PRM1000 UPS Battery Exact OEM replacement guaranteed to fit easily and precisely Maintenance free AGM ...

    View full details
    $18.49 - $18.49
    $18.49
    $18.49 - $18.49
    $18.49
  • Deltec PRB650 6V 12Ah UPS Replacement Battery
    $18.49 - $18.49
    $18.49
    $18.49 - $18.49
    $18.49

    Deltec PRB650 6V 12Ah UPS Replacement Battery

    In stock

    Info AJC® replacement compatible with Deltec PRB650 UPS Battery Exact OEM replacement guaranteed to fit easily and precisely Maintenance free AGM t...

    View full details
    $18.49 - $18.49
    $18.49
    $18.49 - $18.49
    $18.49
  • Deltec PRA 600 12V 7Ah UPS Replacement Battery
    $18.59 - $18.59
    $18.59
    $18.59 - $18.59
    $18.59

    Deltec PRA 600 12V 7Ah UPS Replacement Battery

    In stock

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

    View full details
    $18.59 - $18.59
    $18.59
    $18.59 - $18.59
    $18.59
  • Deltec PRM450 12V 7Ah UPS Replacement Battery
    $18.59 - $18.59
    $18.59
    $18.59 - $18.59
    $18.59

    Deltec PRM450 12V 7Ah UPS Replacement Battery

    In stock

    Info AJC® replacement compatible with Deltec PRM450 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
  • Deltec PRB300 12V 7Ah UPS Replacement Battery
    $18.59 - $18.59
    $18.59
    $18.59 - $18.59
    $18.59

    Deltec PRB300 12V 7Ah UPS Replacement Battery

    In stock

    Info AJC® replacement compatible with Deltec PRB300 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
  • Deltec PRB220 12V 7Ah UPS Replacement Battery
    $18.59 - $18.59
    $18.59
    $18.59 - $18.59
    $18.59

    Deltec PRB220 12V 7Ah UPS Replacement Battery

    In stock

    Info AJC® replacement compatible with Deltec PRB220 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
  • Deltec 5105-450 12V 7Ah UPS Replacement Battery
    $18.59 - $18.59
    $18.59
    $18.59 - $18.59
    $18.59

    Deltec 5105-450 12V 7Ah UPS Replacement Battery

    In stock

    Info AJC® replacement compatible with Deltec 5105-450 UPS Battery Exact OEM replacement guaranteed to fit easily and precisely Maintenance free AGM...

    View full details
    $18.59 - $18.59
    $18.59
    $18.59 - $18.59
    $18.59
  • Deltec PRM1500A 12V 5Ah UPS Replacement Battery
    $16.99 - $16.99
    $16.99
    $16.99 - $16.99
    $16.99

    Deltec PRM1500A 12V 5Ah UPS Replacement Battery

    In stock

    Info AJC® replacement compatible with Deltec PRM1500A UPS Battery Exact OEM replacement guaranteed to fit easily and precisely Maintenance free AGM...

    View full details
    $16.99 - $16.99
    $16.99
    $16.99 - $16.99
    $16.99
  • Deltec 525E 12V 5Ah UPS Replacement Battery
    $16.99 - $16.99
    $16.99
    $16.99 - $16.99
    $16.99

    Deltec 525E 12V 5Ah UPS Replacement Battery

    In stock

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

    View full details
    $16.99 - $16.99
    $16.99
    $16.99 - $16.99
    $16.99
  • Deltec 2036 12V 26Ah UPS Replacement Battery
    $75.49 - $75.49
    $75.49
    $75.49 - $75.49
    $75.49

    Deltec 2036 12V 26Ah UPS Replacement Battery

    In stock

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

    View full details
    $75.49 - $75.49
    $75.49
    $75.49 - $75.49
    $75.49
  • Deltec PR1200 12V 26Ah UPS Replacement Battery
    $75.49 - $75.49
    $75.49
    $75.49 - $75.49
    $75.49

    Deltec PR1200 12V 26Ah UPS Replacement Battery

    In stock

    Info AJC® replacement compatible with Deltec PR1200 UPS Battery Exact OEM replacement guaranteed to fit easily and precisely Maintenance free AGM t...

    View full details
    $75.49 - $75.49
    $75.49
    $75.49 - $75.49
    $75.49
  • Deltec 2066 12V 26Ah UPS Replacement Battery
    $75.49 - $75.49
    $75.49
    $75.49 - $75.49
    $75.49

    Deltec 2066 12V 26Ah UPS Replacement Battery

    In stock

    Info AJC® replacement compatible with Deltec 2066 UPS Battery Exact OEM replacement guaranteed to fit easily and precisely Maintenance free AGM tec...

    View full details
    $75.49 - $75.49
    $75.49
    $75.49 - $75.49
    $75.49
  • Deltec 2056C-2 12V 26Ah UPS Replacement Battery
    $75.49 - $75.49
    $75.49
    $75.49 - $75.49
    $75.49

    Deltec 2056C-2 12V 26Ah UPS Replacement Battery

    In stock

    Info AJC® replacement compatible with Deltec 2056C-2 UPS Battery Exact OEM replacement guaranteed to fit easily and precisely Maintenance free AGM ...

    View full details
    $75.49 - $75.49
    $75.49
    $75.49 - $75.49
    $75.49
  • Deltec 2026 12V 26Ah UPS Replacement Battery
    $75.49 - $75.49
    $75.49
    $75.49 - $75.49
    $75.49

    Deltec 2026 12V 26Ah UPS Replacement Battery

    In stock

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

    View full details
    $75.49 - $75.49
    $75.49
    $75.49 - $75.49
    $75.49
  • Deltec PRA1000A 12V 18Ah UPS Replacement Battery
    $52.39 - $52.39
    $52.39
    $52.39 - $52.39
    $52.39

    Deltec PRA1000A 12V 18Ah UPS Replacement Battery

    In stock

    Info AJC® replacement compatible with Deltec PRA1000A UPS Battery Exact OEM replacement guaranteed to fit easily and precisely Maintenance free AGM...

    View full details
    $52.39 - $52.39
    $52.39
    $52.39 - $52.39
    $52.39