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 device battery install

UPS Batteries

Browse BatteryClerk.com's selection of RBC replacement batteries for all of the leading RBC battery brands.

  • Best Power Ferrups FC10KVA FC 10KVA 12V 75Ah UPS Replacement Battery
    $177.19 - $177.19
    $177.19
    $177.19 - $177.19
    $177.19

    Best Power Ferrups FC10KVA FC 10KVA 12V 75Ah UPS Replacement Battery

    In stock

    Info AJC® replacement compatible with Best Power Ferrups FC10KVA FC 10KVA UPS Battery Exact OEM replacement guaranteed to fit easily and precisely ...

    View full details
    $177.19 - $177.19
    $177.19
    $177.19 - $177.19
    $177.19
  • Best Power FERRUPS Blackout Buster 12V 7Ah UPS Replacement Battery
    $18.59 - $18.59
    $18.59
    $18.59 - $18.59
    $18.59

    Best Power FERRUPS Blackout Buster 12V 7Ah UPS Replacement Battery

    In stock

    Info AJC® replacement compatible with Best Power FERRUPS Blackout Buster UPS Battery Exact OEM replacement guaranteed to fit easily and precisely M...

    View full details
    $18.59 - $18.59
    $18.59
    $18.59 - $18.59
    $18.59
  • Best Power Ferr ME3.1KVA 12V 35Ah UPS Replacement Battery
    $92.89 - $92.89
    $92.89
    $92.89 - $92.89
    $92.89

    Best Power Ferr ME3.1KVA 12V 35Ah UPS Replacement Battery

    In stock

    Info AJC® replacement compatible with Best Power Ferr ME3.1KVA UPS Battery Exact OEM replacement guaranteed to fit easily and precisely Maintenance...

    View full details
    $92.89 - $92.89
    $92.89
    $92.89 - $92.89
    $92.89
  • Best Power Ferr FE10KVA 12V 35Ah UPS Replacement Battery
    $92.89 - $92.89
    $92.89
    $92.89 - $92.89
    $92.89

    Best Power Ferr FE10KVA 12V 35Ah UPS Replacement Battery

    In stock

    Info AJC® replacement compatible with Best Power Ferr FE10KVA UPS Battery Exact OEM replacement guaranteed to fit easily and precisely Maintenance ...

    View full details
    $92.89 - $92.89
    $92.89
    $92.89 - $92.89
    $92.89
  • Best Power FER-3.1K 12V 35Ah UPS Replacement Battery
    $92.89 - $92.89
    $92.89
    $92.89 - $92.89
    $92.89

    Best Power FER-3.1K 12V 35Ah UPS Replacement Battery

    In stock

    Info AJC® replacement compatible with Best Power FER-3.1K UPS Battery Exact OEM replacement guaranteed to fit easily and precisely Maintenance free...

    View full details
    $92.89 - $92.89
    $92.89
    $92.89 - $92.89
    $92.89
  • Best Power FE 5.3KVA BAT-0103 12V 75Ah UPS Replacement Battery
    $177.19 - $177.19
    $177.19
    $177.19 - $177.19
    $177.19

    Best Power FE 5.3KVA BAT-0103 12V 75Ah UPS Replacement Battery

    In stock

    Info AJC® replacement compatible with Best Power FE 5.3KVA 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 FE 2.1KVA BAT-0058 12V 18Ah UPS Replacement Battery
    $52.39 - $52.39
    $52.39
    $52.39 - $52.39
    $52.39

    Best Power FE 2.1KVA BAT-0058 12V 18Ah UPS Replacement Battery

    In stock

    Info AJC® replacement compatible with Best Power FE 2.1KVA BAT-0058 UPS Battery Exact OEM replacement guaranteed to fit easily and precisely Mainte...

    View full details
    $52.39 - $52.39
    $52.39
    $52.39 - $52.39
    $52.39
  • Best Power FE 4.3KVA BAT-0065 12V 35Ah UPS Replacement Battery
    $92.89 - $92.89
    $92.89
    $92.89 - $92.89
    $92.89

    Best Power FE 4.3KVA BAT-0065 12V 35Ah UPS Replacement Battery

    In stock

    Info AJC® replacement compatible with Best Power FE 4.3KVA BAT-0065 UPS Battery Exact OEM replacement guaranteed to fit easily and precisely Mainte...

    View full details
    $92.89 - $92.89
    $92.89
    $92.89 - $92.89
    $92.89
  • Best Power FE 1.4KVA BAT-103 12V 75Ah UPS Replacement Battery
    $177.19 - $177.19
    $177.19
    $177.19 - $177.19
    $177.19

    Best Power FE 1.4KVA BAT-103 12V 75Ah UPS Replacement Battery

    In stock

    Info AJC® replacement compatible with Best Power FE 1.4KVA BAT-103 UPS Battery Exact OEM replacement guaranteed to fit easily and precisely Mainten...

    View full details
    $177.19 - $177.19
    $177.19
    $177.19 - $177.19
    $177.19
  • Best Power FE 12.5KVA BAT-103 12V 75Ah UPS Replacement Battery
    $177.19 - $177.19
    $177.19
    $177.19 - $177.19
    $177.19

    Best Power FE 12.5KVA BAT-103 12V 75Ah UPS Replacement Battery

    In stock

    Info AJC® replacement compatible with Best Power FE 12.5KVA BAT-103 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 FE 1.15KVA BAT-103 12V 75Ah UPS Replacement Battery
    $177.19 - $177.19
    $177.19
    $177.19 - $177.19
    $177.19

    Best Power FE 1.15KVA BAT-103 12V 75Ah UPS Replacement Battery

    In stock

    Info AJC® replacement compatible with Best Power FE 1.15KVA BAT-103 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 FE 1.15KVA 12V 75Ah UPS Replacement Battery
    $177.19 - $177.19
    $177.19
    $177.19 - $177.19
    $177.19

    Best Power FE 1.15KVA 12V 75Ah UPS Replacement Battery

    In stock

    Info AJC® replacement compatible with Best Power FE 1.15KVA UPS Battery Exact OEM replacement guaranteed to fit easily and precisely Maintenance fr...

    View full details
    $177.19 - $177.19
    $177.19
    $177.19 - $177.19
    $177.19
  • Best Power FE 10KVA 12V 35Ah UPS Replacement Battery
    $92.89 - $92.89
    $92.89
    $92.89 - $92.89
    $92.89

    Best Power FE 10KVA 12V 35Ah UPS Replacement Battery

    In stock

    Info AJC® replacement compatible with Best Power FE 10KVA UPS Battery Exact OEM replacement guaranteed to fit easily and precisely Maintenance free...

    View full details
    $92.89 - $92.89
    $92.89
    $92.89 - $92.89
    $92.89
  • Best Power FD 5.3 kVA 12V 75Ah UPS Replacement Battery
    $177.19 - $177.19
    $177.19
    $177.19 - $177.19
    $177.19

    Best Power FD 5.3 kVA 12V 75Ah UPS Replacement Battery

    In stock

    Info AJC® replacement compatible with Best Power FD 5.3 kVA UPS Battery Exact OEM replacement guaranteed to fit easily and precisely Maintenance fr...

    View full details
    $177.19 - $177.19
    $177.19
    $177.19 - $177.19
    $177.19
  • Best Power FC 5KVA BAT-0103 12V 75Ah UPS Replacement Battery
    $177.19 - $177.19
    $177.19
    $177.19 - $177.19
    $177.19

    Best Power FC 5KVA BAT-0103 12V 75Ah UPS Replacement Battery

    In stock

    Info AJC® replacement compatible with Best Power FC 5KVA BAT-0103 UPS Battery Exact OEM replacement guaranteed to fit easily and precisely Maintena...

    View full details
    $177.19 - $177.19
    $177.19
    $177.19 - $177.19
    $177.19
  • Best Power FC 15KVA BAT-0103 12V 75Ah UPS Replacement Battery
    $177.19 - $177.19
    $177.19
    $177.19 - $177.19
    $177.19

    Best Power FC 15KVA BAT-0103 12V 75Ah UPS Replacement Battery

    In stock

    Info AJC® replacement compatible with Best Power FC 15KVA BAT-0103 UPS Battery Exact OEM replacement guaranteed to fit easily and precisely Mainten...

    View full details
    $177.19 - $177.19
    $177.19
    $177.19 - $177.19
    $177.19
  • Best Power Blackout Buster/B6U-2 12V 7Ah UPS Replacement Battery
    $18.59 - $18.59
    $18.59
    $18.59 - $18.59
    $18.59

    Best Power Blackout Buster/B6U-2 12V 7Ah UPS Replacement Battery

    In stock

    Info AJC® replacement compatible with Best Power Blackout Buster B6U-2 UPS Battery Exact OEM replacement guaranteed to fit easily and precisely Mai...

    View full details
    $18.59 - $18.59
    $18.59
    $18.59 - $18.59
    $18.59
  • Best Power BAT 12V 9Ah UPS Replacement Battery
    $26.29 - $26.29
    $26.29
    $26.29 - $26.29
    $26.29

    Best Power BAT 12V 9Ah UPS Replacement Battery

    In stock

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

    View full details
    $26.29 - $26.29
    $26.29
    $26.29 - $26.29
    $26.29
  • Best Power BAT-0370 12V 7Ah UPS Replacement Battery
    $18.59 - $18.59
    $18.59
    $18.59 - $18.59
    $18.59

    Best Power BAT-0370 12V 7Ah UPS Replacement Battery

    In stock

    Info AJC® replacement compatible with Best Power BAT-0370 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
  • Best Power BAT 0065 12V 35Ah UPS Replacement Battery
    $92.89 - $92.89
    $92.89
    $92.89 - $92.89
    $92.89

    Best Power BAT 0065 12V 35Ah UPS Replacement Battery

    In stock

    Info AJC® replacement compatible with Best Power BAT 0065 UPS Battery Exact OEM replacement guaranteed to fit easily and precisely Maintenance free...

    View full details
    $92.89 - $92.89
    $92.89
    $92.89 - $92.89
    $92.89
  • Best Power BAT-0065 12V 35Ah UPS Replacement Battery
    $92.89 - $92.89
    $92.89
    $92.89 - $92.89
    $92.89

    Best Power BAT-0065 12V 35Ah UPS Replacement Battery

    In stock

    Info AJC® replacement compatible with Best Power BAT-0065 UPS Battery Exact OEM replacement guaranteed to fit easily and precisely Maintenance free...

    View full details
    $92.89 - $92.89
    $92.89
    $92.89 - $92.89
    $92.89
  • Best Power BAT0058 12V 18Ah UPS Replacement Battery
    $52.39 - $52.39
    $52.39
    $52.39 - $52.39
    $52.39

    Best Power BAT0058 12V 18Ah UPS Replacement Battery

    In stock

    Info AJC® replacement compatible with Best Power BAT0058 UPS Battery Exact OEM replacement guaranteed to fit easily and precisely Maintenance free ...

    View full details
    $52.39 - $52.39
    $52.39
    $52.39 - $52.39
    $52.39
  • Best Power BAT-0061 12V 5Ah UPS Replacement Battery
    $16.99 - $16.99
    $16.99
    $16.99 - $16.99
    $16.99

    Best Power BAT-0061 12V 5Ah UPS Replacement Battery

    In stock

    Info AJC® replacement compatible with Best Power BAT-0061 UPS Battery Exact OEM replacement guaranteed to fit easily and precisely Maintenance free...

    View full details
    $16.99 - $16.99
    $16.99
    $16.99 - $16.99
    $16.99
  • Best Power BAT-0053 12V 35Ah UPS Replacement Battery
    $92.89 - $92.89
    $92.89
    $92.89 - $92.89
    $92.89

    Best Power BAT-0053 12V 35Ah UPS Replacement Battery

    In stock

    Info AJC® replacement compatible with Best Power BAT-0053 UPS Battery Exact OEM replacement guaranteed to fit easily and precisely Maintenance free...

    View full details
    $92.89 - $92.89
    $92.89
    $92.89 - $92.89
    $92.89