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.

  • Best Power Ferrups FE5.3KVA 12V 75Ah UPS Replacement Battery
    $179.59 - $179.59
    $179.59
    $179.59 - $179.59
    $179.59

    Best Power Ferrups FE5.3KVA 12V 75Ah UPS Replacement Battery

    In stock

    Info AJC® replacement compatible with Best Power Ferrups FE5.3KVA UPS Battery Exact OEM replacement guaranteed to fit easily and precisely Maintena...

    View full details
    $179.59 - $179.59
    $179.59
    $179.59 - $179.59
    $179.59
  • Best Power LI1420VA B 12V 22Ah UPS Replacement Battery
    $58.69 - $58.69
    $58.69
    $58.69 - $58.69
    $58.69

    Best Power LI1420VA B 12V 22Ah UPS Replacement Battery

    In stock

    Info AJC® replacement compatible with Best Power LI1420VA B UPS Battery Exact OEM replacement guaranteed to fit easily and precisely Maintenance fr...

    View full details
    $58.69 - $58.69
    $58.69
    $58.69 - $58.69
    $58.69
  • Best Power RST62 Tower 12V 8Ah UPS Replacement Battery
    $21.79 - $21.79
    $21.79
    $21.79 - $21.79
    $21.79

    Best Power RST62 Tower 12V 8Ah UPS Replacement Battery

    In stock

    Info AJC® replacement compatible with Best Power RST62 Tower UPS Battery Exact OEM replacement guaranteed to fit easily and precisely Maintenance f...

    View full details
    $21.79 - $21.79
    $21.79
    $21.79 - $21.79
    $21.79
  • Best Power LI 12V 10Ah UPS Replacement Battery
    $33.99 - $33.99
    $33.99
    $33.99 - $33.99
    $33.99

    Best Power LI 12V 10Ah UPS Replacement Battery

    In stock

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

    View full details
    $33.99 - $33.99
    $33.99
    $33.99 - $33.99
    $33.99
  • Best Power Ferrups FE4.3KVA 12V 35Ah UPS Replacement Battery
    $92.89 - $92.89
    $92.89
    $92.89 - $92.89
    $92.89

    Best Power Ferrups FE4.3KVA 12V 35Ah UPS Replacement Battery

    In stock

    Info AJC® replacement compatible with Best Power Ferrups FE4.3KVA UPS Battery Exact OEM replacement guaranteed to fit easily and precisely Maintena...

    View full details
    $92.89 - $92.89
    $92.89
    $92.89 - $92.89
    $92.89
  • Best Power BAT-0063 6V 12Ah UPS Replacement Battery
    $18.49 - $18.49
    $18.49
    $18.49 - $18.49
    $18.49

    Best Power BAT-0063 6V 12Ah UPS Replacement Battery

    In stock

    Info AJC® replacement compatible with Best Power BAT-0063 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
  • Best Power 250 12v 7ah 12V 9Ah UPS Replacement Battery
    $26.29 - $26.29
    $26.29
    $26.29 - $26.29
    $26.29

    Best Power 250 12v 7ah 12V 9Ah UPS Replacement Battery

    In stock

    Info AJC® replacement compatible with Best Power 250 12v 7ah UPS Battery Exact OEM replacement guaranteed to fit easily and precisely Maintenance ...

    View full details
    $26.29 - $26.29
    $26.29
    $26.29 - $26.29
    $26.29
  • Best Power Patriot 425 12V 7Ah UPS Replacement Battery
    $18.59 - $18.59
    $18.59
    $18.59 - $18.59
    $18.59

    Best Power Patriot 425 12V 7Ah UPS Replacement Battery

    In stock

    Info AJC® replacement compatible with Best Power Patriot 425 UPS Battery Exact OEM replacement guaranteed to fit easily and precisely Maintenance f...

    View full details
    $18.59 - $18.59
    $18.59
    $18.59 - $18.59
    $18.59
  • Best Power Powerware 9355 EBC 72 12V 9Ah UPS Replacement Battery
    $26.29 - $26.29
    $26.29
    $26.29 - $26.29
    $26.29

    Best Power Powerware 9355 EBC 72 12V 9Ah UPS Replacement Battery

    In stock

    Info AJC® replacement compatible with Best Power Powerware 9355 EBC 72 UPS Battery Exact OEM replacement guaranteed to fit easily and precisely Mai...

    View full details
    $26.29 - $26.29
    $26.29
    $26.29 - $26.29
    $26.29
  • Best Power Patriot Patriot II Pro 1000 6V 12Ah UPS Replacement Battery
    $18.49 - $18.49
    $18.49
    $18.49 - $18.49
    $18.49

    Best Power Patriot Patriot II Pro 1000 6V 12Ah UPS Replacement Battery

    In stock

    Info AJC® replacement compatible with Best Power Patriot Patriot II Pro 1000 UPS Battery Exact OEM replacement guaranteed to fit easily and precise...

    View full details
    $18.49 - $18.49
    $18.49
    $18.49 - $18.49
    $18.49
  • Best Power Patriot 280 12V 7Ah UPS Replacement Battery
    $18.59 - $18.59
    $18.59
    $18.59 - $18.59
    $18.59

    Best Power Patriot 280 12V 7Ah UPS Replacement Battery

    In stock

    Info AJC® replacement compatible with Best Power Patriot 280 UPS Battery Exact OEM replacement guaranteed to fit easily and precisely Maintenance f...

    View full details
    $18.59 - $18.59
    $18.59
    $18.59 - $18.59
    $18.59
  • Best Power LI 750 BAT-0062 9Ah 12V 7Ah UPS Replacement Battery
    $18.59 - $18.59
    $18.59
    $18.59 - $18.59
    $18.59

    Best Power LI 750 BAT-0062 9Ah 12V 7Ah UPS Replacement Battery

    In stock

    Info AJC® replacement compatible with Best Power LI 750 BAT-0062 9Ah UPS Battery Exact OEM replacement guaranteed to fit easily and precisely Maint...

    View full details
    $18.59 - $18.59
    $18.59
    $18.59 - $18.59
    $18.59
  • Best Power LI660VA 12V 8Ah UPS Replacement Battery
    $21.79 - $21.79
    $21.79
    $21.79 - $21.79
    $21.79

    Best Power LI660VA 12V 8Ah UPS Replacement Battery

    In stock

    Info AJC® replacement compatible with Best Power LI660VA 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
  • Best Power LI 12V 12Ah UPS Replacement Battery
    $38.89 - $38.89
    $38.89
    $38.89 - $38.89
    $38.89

    Best Power LI 12V 12Ah UPS Replacement Battery

    In stock

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

    View full details
    $38.89 - $38.89
    $38.89
    $38.89 - $38.89
    $38.89
  • Best Power LI 1050-3 12V 9Ah UPS Replacement Battery
    $26.29 - $26.29
    $26.29
    $26.29 - $26.29
    $26.29

    Best Power LI 1050-3 12V 9Ah UPS Replacement Battery

    In stock

    Info AJC® replacement compatible with Best Power LI 1050-3 UPS Battery Exact OEM replacement guaranteed to fit easily and precisely Maintenance fre...

    View full details
    $26.29 - $26.29
    $26.29
    $26.29 - $26.29
    $26.29
  • Best Power Fortress II LI 2250 6V 12Ah UPS Replacement Battery
    $18.49 - $18.49
    $18.49
    $18.49 - $18.49
    $18.49

    Best Power Fortress II LI 2250 6V 12Ah UPS Replacement Battery

    In stock

    Info AJC® replacement compatible with Best Power Fortress II LI 2250 UPS Battery Exact OEM replacement guaranteed to fit easily and precisely Maint...

    View full details
    $18.49 - $18.49
    $18.49
    $18.49 - $18.49
    $18.49
  • Best Power Ferrups FE7KVA FE 7KVA 12V 75Ah UPS Replacement Battery
    $177.19 - $177.19
    $177.19
    $177.19 - $177.19
    $177.19

    Best Power Ferrups FE7KVA FE 7KVA 12V 75Ah UPS Replacement Battery

    In stock

    Info AJC® replacement compatible with Best Power Ferrups FE7KVA FE 7KVA UPS Battery Exact OEM replacement guaranteed to fit easily and precisely Ma...

    View full details
    $177.19 - $177.19
    $177.19
    $177.19 - $177.19
    $177.19
  • Best Power Ferrups FE700VA 12V 35Ah UPS Replacement Battery
    $92.89 - $92.89
    $92.89
    $92.89 - $92.89
    $92.89

    Best Power Ferrups FE700VA 12V 35Ah UPS Replacement Battery

    In stock

    Info AJC® replacement compatible with Best Power Ferrups FE700VA UPS Battery Exact OEM replacement guaranteed to fit easily and precisely Maintenan...

    View full details
    $92.89 - $92.89
    $92.89
    $92.89 - $92.89
    $92.89
  • Best Power Ferrups FE3.1KVA 12V 35Ah UPS Replacement Battery
    $92.89 - $92.89
    $92.89
    $92.89 - $92.89
    $92.89

    Best Power Ferrups FE3.1KVA 12V 35Ah UPS Replacement Battery

    In stock

    Info AJC® replacement compatible with Best Power Ferrups FE3.1KVA UPS Battery Exact OEM replacement guaranteed to fit easily and precisely Maintena...

    View full details
    $92.89 - $92.89
    $92.89
    $92.89 - $92.89
    $92.89
  • Best Power Ferrups FE1.4KVA FE 1.4KVA 12V 75Ah UPS Replacement Battery
    $177.19 - $177.19
    $177.19
    $177.19 - $177.19
    $177.19

    Best Power Ferrups FE1.4KVA FE 1.4KVA 12V 75Ah UPS Replacement Battery

    In stock

    Info AJC® replacement compatible with Best Power Ferrups FE1.4KVA FE 1.4KVA UPS Battery Exact OEM replacement guaranteed to fit easily and precisel...

    View full details
    $177.19 - $177.19
    $177.19
    $177.19 - $177.19
    $177.19
  • Best Power Ferrups FD7KVA 12V 75Ah UPS Replacement Battery
    $179.59 - $179.59
    $179.59
    $179.59 - $179.59
    $179.59

    Best Power Ferrups FD7KVA 12V 75Ah UPS Replacement Battery

    In stock

    Info AJC® replacement compatible with Best Power Ferrups FD7KVA UPS Battery Exact OEM replacement guaranteed to fit easily and precisely Maintenanc...

    View full details
    $179.59 - $179.59
    $179.59
    $179.59 - $179.59
    $179.59
  • Best Power FE 7KVA 12V 75Ah UPS Replacement Battery
    $177.19 - $177.19
    $177.19
    $177.19 - $177.19
    $177.19

    Best Power FE 7KVA 12V 75Ah UPS Replacement Battery

    In stock

    Info AJC® replacement compatible with Best Power FE 7KVA UPS Battery Exact OEM replacement guaranteed to fit easily and precisely Maintenance free ...

    View full details
    $177.19 - $177.19
    $177.19
    $177.19 - $177.19
    $177.19
  • Best Power FC 7.5KVA BAT-0103 12V 75Ah UPS Replacement Battery
    $177.19 - $177.19
    $177.19
    $177.19 - $177.19
    $177.19

    Best Power FC 7.5KVA BAT-0103 12V 75Ah UPS Replacement Battery

    In stock

    Info AJC® replacement compatible with Best Power FC 7.5KVA BAT-0103 UPS Battery Exact OEM replacement guaranteed to fit easily and precisely Mainte...

    View full details
    $177.19 - $177.19
    $177.19
    $177.19 - $177.19
    $177.19
  • Best Power UPS-OLRBP-3 left side tray 12V 9Ah UPS Replacement Battery
    $26.29 - $26.29
    $26.29
    $26.29 - $26.29
    $26.29

    Best Power UPS-OLRBP-3 left side tray 12V 9Ah UPS Replacement Battery

    In stock

    Info AJC® replacement compatible with Best Power UPS-OLRBP-3 left side tray UPS Battery Exact OEM replacement guaranteed to fit easily and precisel...

    View full details
    $26.29 - $26.29
    $26.29
    $26.29 - $26.29
    $26.29