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.

  • Unisys PW9120 1000 12V 7Ah UPS Replacement Battery
    $18.59 - $18.59
    $18.59
    $18.59 - $18.59
    $18.59

    Unisys PW9120 1000 12V 7Ah UPS Replacement Battery

    In stock

    Info AJC® replacement compatible with Unisys PW9120 1000 UPS Battery Exact OEM replacement guaranteed to fit easily and precisely Maintenance free ...

    View full details
    $18.59 - $18.59
    $18.59
    $18.59 - $18.59
    $18.59
  • Unisys 1500VA 12V 18Ah UPS Replacement Battery
    $52.39 - $52.39
    $52.39
    $52.39 - $52.39
    $52.39

    Unisys 1500VA 12V 18Ah UPS Replacement Battery

    In stock

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

    View full details
    $52.39 - $52.39
    $52.39
    $52.39 - $52.39
    $52.39
  • Unisys UP912-16 12V 26Ah UPS Replacement Battery
    $75.49 - $75.49
    $75.49
    $75.49 - $75.49
    $75.49

    Unisys UP912-16 12V 26Ah UPS Replacement Battery

    In stock

    Info AJC® replacement compatible with Unisys UP912-16 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
  • Unisys UP910 12V 12Ah UPS Replacement Battery
    $38.89 - $38.89
    $38.89
    $38.89 - $38.89
    $38.89

    Unisys UP910 12V 12Ah UPS Replacement Battery

    In stock

    Info AJC® replacement compatible with Unisys UP910 UPS Battery Exact OEM replacement guaranteed to fit easily and precisely Maintenance free AGM te...

    View full details
    $38.89 - $38.89
    $38.89
    $38.89 - $38.89
    $38.89
  • Unisys UP909 6V 12Ah UPS Replacement Battery
    $18.49 - $18.49
    $18.49
    $18.49 - $18.49
    $18.49

    Unisys UP909 6V 12Ah UPS Replacement Battery

    In stock

    Info AJC® replacement compatible with Unisys UP909 UPS Battery Exact OEM replacement guaranteed to fit easily and precisely Maintenance free AGM te...

    View full details
    $18.49 - $18.49
    $18.49
    $18.49 - $18.49
    $18.49
  • Unisys 1000VA 6V 12Ah UPS Replacement Battery
    $18.49 - $18.49
    $18.49
    $18.49 - $18.49
    $18.49

    Unisys 1000VA 6V 12Ah UPS Replacement Battery

    In stock

    Info AJC® replacement compatible with Unisys 1000VA 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
  • Unisys UP-914 12V 22Ah UPS Replacement Battery
    $58.69 - $58.69
    $58.69
    $58.69 - $58.69
    $58.69

    Unisys UP-914 12V 22Ah UPS Replacement Battery

    In stock

    Info AJC® replacement compatible with Unisys UP-914 UPS Battery Exact OEM replacement guaranteed to fit easily and precisely Maintenance free AGM t...

    View full details
    $58.69 - $58.69
    $58.69
    $58.69 - $58.69
    $58.69
  • Unisys UP-914 12V 18Ah UPS Replacement Battery
    $52.39 - $52.39
    $52.39
    $52.39 - $52.39
    $52.39

    Unisys UP-914 12V 18Ah UPS Replacement Battery

    In stock

    Info AJC® replacement compatible with Unisys UP-914 UPS Battery Exact OEM replacement guaranteed to fit easily and precisely Maintenance free AGM t...

    View full details
    $52.39 - $52.39
    $52.39
    $52.39 - $52.39
    $52.39
  • Unisys SPS 300 12V 7Ah UPS Replacement Battery
    $18.59 - $18.59
    $18.59
    $18.59 - $18.59
    $18.59

    Unisys SPS 300 12V 7Ah UPS Replacement Battery

    In stock

    Info AJC® replacement compatible with Unisys SPS 300 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
  • Unisys SPI 250 12V 12Ah UPS Replacement Battery
    $38.89 - $38.89
    $38.89
    $38.89 - $38.89
    $38.89

    Unisys SPI 250 12V 12Ah UPS Replacement Battery

    In stock

    Info AJC® replacement compatible with Unisys SPI 250 UPS Battery Exact OEM replacement guaranteed to fit easily and precisely Maintenance free AGM ...

    View full details
    $38.89 - $38.89
    $38.89
    $38.89 - $38.89
    $38.89
  • Unisys RST31 Tower 12V 8Ah UPS Replacement Battery
    $21.79 - $21.79
    $21.79
    $21.79 - $21.79
    $21.79

    Unisys RST31 Tower 12V 8Ah UPS Replacement Battery

    In stock

    Info AJC® replacement compatible with Unisys RST31 Tower UPS Battery Exact OEM replacement guaranteed to fit easily and precisely Maintenance free ...

    View full details
    $21.79 - $21.79
    $21.79
    $21.79 - $21.79
    $21.79
  • Unisys PW9355-10-64 12V 9Ah UPS Replacement Battery
    $26.29 - $26.29
    $26.29
    $26.29 - $26.29
    $26.29

    Unisys PW9355-10-64 12V 9Ah UPS Replacement Battery

    In stock

    Info AJC® replacement compatible with Unisys PW9355-10-64 UPS Battery Exact OEM replacement guaranteed to fit easily and precisely Maintenance free...

    View full details
    $26.29 - $26.29
    $26.29
    $26.29 - $26.29
    $26.29
  • Unisys PW9125 1000 12V 9Ah UPS Replacement Battery
    $26.29 - $26.29
    $26.29
    $26.29 - $26.29
    $26.29

    Unisys PW9125 1000 12V 9Ah UPS Replacement Battery

    In stock

    Info AJC® replacement compatible with Unisys PW9125 1000 UPS Battery Exact OEM replacement guaranteed to fit easily and precisely Maintenance free ...

    View full details
    $26.29 - $26.29
    $26.29
    $26.29 - $26.29
    $26.29
  • Unisys PW9120 one BAT-1500 12V 7Ah UPS Replacement Battery
    $18.59 - $18.59
    $18.59
    $18.59 - $18.59
    $18.59

    Unisys PW9120 one BAT-1500 12V 7Ah UPS Replacement Battery

    In stock

    Info AJC® replacement compatible with Unisys PW9120 one BAT-1500 UPS Battery Exact OEM replacement guaranteed to fit easily and precisely Maintenan...

    View full details
    $18.59 - $18.59
    $18.59
    $18.59 - $18.59
    $18.59
  • Unisys PW9120 one BAT-3000 12V 7Ah UPS Replacement Battery
    $18.59 - $18.59
    $18.59
    $18.59 - $18.59
    $18.59

    Unisys PW9120 one BAT-3000 12V 7Ah UPS Replacement Battery

    In stock

    Info AJC® replacement compatible with Unisys PW9120 one BAT-3000 UPS Battery Exact OEM replacement guaranteed to fit easily and precisely Maintenan...

    View full details
    $18.59 - $18.59
    $18.59
    $18.59 - $18.59
    $18.59
  • Unisys PW9120 2000 12V 7Ah UPS Replacement Battery
    $18.59 - $18.59
    $18.59
    $18.59 - $18.59
    $18.59

    Unisys PW9120 2000 12V 7Ah UPS Replacement Battery

    In stock

    Info AJC® replacement compatible with Unisys PW9120 2000 UPS Battery Exact OEM replacement guaranteed to fit easily and precisely Maintenance free ...

    View full details
    $18.59 - $18.59
    $18.59
    $18.59 - $18.59
    $18.59
  • Unisys PW5125 3000e RM 12V 5Ah UPS Replacement Battery
    $16.99 - $16.99
    $16.99
    $16.99 - $16.99
    $16.99

    Unisys PW5125 3000e RM 12V 5Ah UPS Replacement Battery

    In stock

    Info AJC® replacement compatible with Unisys PW5125 3000e RM UPS Battery Exact OEM replacement guaranteed to fit easily and precisely Maintenance f...

    View full details
    $16.99 - $16.99
    $16.99
    $16.99 - $16.99
    $16.99
  • Unisys PW5125 2400i RM 12V 5Ah UPS Replacement Battery
    $16.99 - $16.99
    $16.99
    $16.99 - $16.99
    $16.99

    Unisys PW5125 2400i RM 12V 5Ah UPS Replacement Battery

    In stock

    Info AJC® replacement compatible with Unisys PW5125 2400i RM UPS Battery Exact OEM replacement guaranteed to fit easily and precisely Maintenance f...

    View full details
    $16.99 - $16.99
    $16.99
    $16.99 - $16.99
    $16.99
  • Unisys PW5119 1000i 6V 12Ah UPS Replacement Battery
    $18.49 - $18.49
    $18.49
    $18.49 - $18.49
    $18.49

    Unisys PW5119 1000i 6V 12Ah UPS Replacement Battery

    In stock

    Info AJC® replacement compatible with Unisys PW5119 1000i UPS Battery Exact OEM replacement guaranteed to fit easily and precisely Maintenance free...

    View full details
    $18.49 - $18.49
    $18.49
    $18.49 - $18.49
    $18.49
  • Unisys PW5125 1000 RM 12V 9Ah UPS Replacement Battery
    $26.29 - $26.29
    $26.29
    $26.29 - $26.29
    $26.29

    Unisys PW5125 1000 RM 12V 9Ah UPS Replacement Battery

    In stock

    Info AJC® replacement compatible with Unisys PW5125 1000 RM UPS Battery Exact OEM replacement guaranteed to fit easily and precisely Maintenance fr...

    View full details
    $26.29 - $26.29
    $26.29
    $26.29 - $26.29
    $26.29
  • Unisys PW5115 1000 USB 12V 9Ah UPS Replacement Battery
    $26.29 - $26.29
    $26.29
    $26.29 - $26.29
    $26.29

    Unisys PW5115 1000 USB 12V 9Ah UPS Replacement Battery

    In stock

    Info AJC® replacement compatible with Unisys PW5115 1000 USB UPS Battery Exact OEM replacement guaranteed to fit easily and precisely Maintenance f...

    View full details
    $26.29 - $26.29
    $26.29
    $26.29 - $26.29
    $26.29
  • Unisys PW5115 1400 USB 12V 9Ah UPS Replacement Battery
    $26.29 - $26.29
    $26.29
    $26.29 - $26.29
    $26.29

    Unisys PW5115 1400 USB 12V 9Ah UPS Replacement Battery

    In stock

    Info AJC® replacement compatible with Unisys PW5115 1400 USB UPS Battery Exact OEM replacement guaranteed to fit easily and precisely Maintenance f...

    View full details
    $26.29 - $26.29
    $26.29
    $26.29 - $26.29
    $26.29
  • Unisys PS8.0 12V 8Ah UPS Replacement Battery
    $21.79 - $21.79
    $21.79
    $21.79 - $21.79
    $21.79

    Unisys PS8.0 12V 8Ah UPS Replacement Battery

    In stock

    Info AJC® replacement compatible with Unisys PS8.0 UPS Battery Exact OEM replacement guaranteed to fit easily and precisely Maintenance free AGM te...

    View full details
    $21.79 - $21.79
    $21.79
    $21.79 - $21.79
    $21.79
  • Unisys PS4.5 12V 5Ah UPS Replacement Battery
    $16.99 - $16.99
    $16.99
    $16.99 - $16.99
    $16.99

    Unisys PS4.5 12V 5Ah UPS Replacement Battery

    In stock

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

    View full details
    $16.99 - $16.99
    $16.99
    $16.99 - $16.99
    $16.99