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Alarm Batteries

Replacement Alarm Batteries ensure your alarm system continues to operate even during a power outage or when the electricity is cut. Browse our current selection of replacement Alarm Batteries for some of the top alarm brands like ADT, Honeywell and Ademco.

  • Simplex 2081-9296 12V 55Ah Alarm Replacement Battery
    $129.19 - $129.19
    $129.19
    $129.19 - $129.19
    $129.19

    AJC Battery Compatible with Simplex 2081-9296 12V 55Ah Alarm Battery

    In stock

    Info AJC® replacement compatible with Simplex 2081-9296 Alarm Battery Exact OEM replacement guaranteed to fit easily and precisely Maintenance free...

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    $129.19 - $129.19
    $129.19
    $129.19 - $129.19
    $129.19
  • Simplex 2081-9276 12V 18Ah Alarm Replacement Battery
    $46.99 - $46.99
    $46.99
    $46.99 - $46.99
    $46.99

    AJC Battery Compatible with Simplex 2081-9276 12V 18Ah Alarm Battery

    In stock

    Info AJC® replacement compatible with Simplex 2081-9276 Alarm Battery Exact OEM replacement guaranteed to fit easily and precisely Maintenance free...

    View full details
    $46.99 - $46.99
    $46.99
    $46.99 - $46.99
    $46.99
  • Simplex Fire Alarm Control Panel Battery 12V 12Ah Alarm Replacement Battery
    $37.79 - $37.79
    $37.79
    $37.79 - $37.79
    $37.79

    AJC Battery Compatible with Simplex Fire Alarm Control Panel Battery 12V 12Ah Alarm Battery

    In stock

    Info AJC® replacement compatible with Simplex Fire Alarm Control Panel Battery Alarm Battery Exact OEM replacement guaranteed to fit easily and pre...

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    $37.79 - $37.79
    $37.79
    $37.79 - $37.79
    $37.79
  • Simplex 2081-9274 12V 18Ah Alarm Replacement Battery
    $46.99 - $46.99
    $46.99
    $46.99 - $46.99
    $46.99

    AJC Battery Compatible with Simplex 2081-9274 12V 18Ah Alarm Battery

    In stock

    Info AJC® replacement compatible with Simplex 2081-9274 Alarm Battery Exact OEM replacement guaranteed to fit easily and precisely Maintenance free...

    View full details
    $46.99 - $46.99
    $46.99
    $46.99 - $46.99
    $46.99
  • Simplex 2081-9275 12V 18Ah Alarm Replacement Battery
    $46.99 - $46.99
    $46.99
    $46.99 - $46.99
    $46.99

    AJC Battery Compatible with Simplex 2081-9275 12V 18Ah Alarm Battery

    In stock

    Info AJC® replacement compatible with Simplex 2081-9275 Alarm Battery Exact OEM replacement guaranteed to fit easily and precisely Maintenance free...

    View full details
    $46.99 - $46.99
    $46.99
    $46.99 - $46.99
    $46.99
  • Simplex 2350 12V 8Ah Alarm Replacement Battery
    $21.19 - $21.19
    $21.19
    $21.19 - $21.19
    $21.19

    AJC Battery Compatible with Simplex 2350 12V 8Ah Alarm Battery

    In stock

    Info AJC® replacement compatible with Simplex 2350 Alarm Battery Exact OEM replacement guaranteed to fit easily and precisely Maintenance free AGM ...

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    $21.19 - $21.19
    $21.19
    $21.19 - $21.19
    $21.19
  • Simplex 20819276 12V 35Ah Alarm Replacement Battery
    $90.19 - $90.19
    $90.19
    $90.19 - $90.19
    $90.19

    AJC Battery Compatible with Simplex 20819276 12V 35Ah Alarm Battery

    In stock

    Info AJC® replacement compatible with Simplex 20819276 Alarm Battery Exact OEM replacement guaranteed to fit easily and precisely Maintenance free ...

    View full details
    $90.19 - $90.19
    $90.19
    $90.19 - $90.19
    $90.19
  • Simplex 20819274 12V 10Ah Alarm Replacement Battery
    $30.39 - $30.39
    $30.39
    $30.39 - $30.39
    $30.39

    AJC Battery Compatible with Simplex 20819274 12V 10Ah Alarm Battery

    In stock

    Info AJC® replacement compatible with Simplex 20819274 Alarm Battery Exact OEM replacement guaranteed to fit easily and precisely Maintenance free ...

    View full details
    $30.39 - $30.39
    $30.39
    $30.39 - $30.39
    $30.39
  • Simplex 2081-9272 12V 22Ah Alarm Replacement Battery
    $56.69 - $56.69
    $56.69
    $56.69 - $56.69
    $56.69

    AJC Battery Compatible with Simplex 2081-9272 12V 22Ah Alarm Battery

    In stock

    Info AJC® replacement compatible with Simplex 2081-9272 Alarm Battery Exact OEM replacement guaranteed to fit easily and precisely Maintenance free...

    View full details
    $56.69 - $56.69
    $56.69
    $56.69 - $56.69
    $56.69
  • Simplex 2081-9272 12V 18Ah Alarm Replacement Battery
    $46.99 - $46.99
    $46.99
    $46.99 - $46.99
    $46.99

    AJC Battery Compatible with Simplex 2081-9272 12V 18Ah Alarm Battery

    In stock

    Info AJC® replacement compatible with Simplex 2081-9272 Alarm Battery Exact OEM replacement guaranteed to fit easily and precisely Maintenance free...

    View full details
    $46.99 - $46.99
    $46.99
    $46.99 - $46.99
    $46.99
  • Simplex 112-133 12V 10Ah Alarm Replacement Battery
    $30.39 - $30.39
    $30.39
    $30.39 - $30.39
    $30.39

    AJC Battery Compatible with Simplex 112-133 12V 10Ah Alarm Battery

    In stock

    Info AJC® replacement compatible with Simplex 112-133 Alarm Battery Exact OEM replacement guaranteed to fit easily and precisely Maintenance free A...

    View full details
    $30.39 - $30.39
    $30.39
    $30.39 - $30.39
    $30.39
  • Simplex 112-113 12V 10Ah Alarm Replacement Battery
    $30.39 - $30.39
    $30.39
    $30.39 - $30.39
    $30.39

    AJC Battery Compatible with Simplex 112-113 12V 10Ah Alarm Battery

    In stock

    Info AJC® replacement compatible with Simplex 112-113 Alarm Battery Exact OEM replacement guaranteed to fit easily and precisely Maintenance free A...

    View full details
    $30.39 - $30.39
    $30.39
    $30.39 - $30.39
    $30.39
  • Simplex 75 Fire Alarm Control Panel Battery 12V 18Ah Alarm Replacement Battery
    $46.99 - $46.99
    $46.99
    $46.99 - $46.99
    $46.99

    AJC Battery Compatible with Simplex 75 Fire Alarm Control Panel Battery 12V 18Ah Alarm Battery

    In stock

    Info AJC® replacement compatible with Simplex 75 Fire Alarm Control Panel Battery Alarm Battery Exact OEM replacement guaranteed to fit easily and ...

    View full details
    $46.99 - $46.99
    $46.99
    $46.99 - $46.99
    $46.99
  • Simplex STR112053 12V 35Ah Alarm Replacement Battery
    $90.19 - $90.19
    $90.19
    $90.19 - $90.19
    $90.19

    AJC Battery Compatible with Simplex STR112053 12V 35Ah Alarm Battery

    In stock

    Info AJC® replacement compatible with Simplex STR112053 Alarm Battery Exact OEM replacement guaranteed to fit easily and precisely Maintenance free...

    View full details
    $90.19 - $90.19
    $90.19
    $90.19 - $90.19
    $90.19
  • Simplex 4100ES 12V 7Ah Alarm Replacement Battery
    $17.59 - $17.59
    $17.59
    $17.59 - $17.59
    $17.59

    AJC Battery Compatible with Simplex 4100ES 12V 7Ah Alarm Battery

    In stock

    Info AJC® replacement compatible with Simplex 4100ES Alarm Battery Exact OEM replacement guaranteed to fit easily and precisely Maintenance free AG...

    View full details
    $17.59 - $17.59
    $17.59
    $17.59 - $17.59
    $17.59
  • Simplex 4010ES 12V 7Ah Alarm Replacement Battery
    $17.59 - $17.59
    $17.59
    $17.59 - $17.59
    $17.59

    AJC Battery Compatible with Simplex 4010ES 12V 7Ah Alarm Battery

    In stock

    Info AJC® replacement compatible with Simplex 4010ES Alarm Battery Exact OEM replacement guaranteed to fit easily and precisely Maintenance free AG...

    View full details
    $17.59 - $17.59
    $17.59
    $17.59 - $17.59
    $17.59
  • Simplex 4006 12V 7Ah Alarm Replacement Battery
    $17.59 - $17.59
    $17.59
    $17.59 - $17.59
    $17.59

    AJC Battery Compatible with Simplex 4006 12V 7Ah Alarm Battery

    In stock

    Info AJC® replacement compatible with Simplex 4006 Alarm Battery Exact OEM replacement guaranteed to fit easily and precisely Maintenance free AGM ...

    View full details
    $17.59 - $17.59
    $17.59
    $17.59 - $17.59
    $17.59
  • Simplex 4004R 12V 7Ah Alarm Replacement Battery
    $17.59 - $17.59
    $17.59
    $17.59 - $17.59
    $17.59

    AJC Battery Compatible with Simplex 4004R 12V 7Ah Alarm Battery

    In stock

    Info AJC® replacement compatible with Simplex 4004R Alarm Battery Exact OEM replacement guaranteed to fit easily and precisely Maintenance free AGM...

    View full details
    $17.59 - $17.59
    $17.59
    $17.59 - $17.59
    $17.59
  • Simplex 2001-3072 6V 12Ah Alarm Replacement Battery
    $17.99 - $17.99
    $17.99
    $17.99 - $17.99
    $17.99

    AJC Battery Compatible with Simplex 2001-3072 6V 12Ah Alarm Battery

    In stock

    Info AJC® replacement compatible with Simplex 2001-3072 Alarm Battery Exact OEM replacement guaranteed to fit easily and precisely Maintenance free...

    View full details
    $17.99 - $17.99
    $17.99
    $17.99 - $17.99
    $17.99
  • Simplex 2081-9287 12V 26Ah Alarm Replacement Battery
    $70.19 - $70.19
    $70.19
    $70.19 - $70.19
    $70.19

    AJC Battery Compatible with Simplex 2081-9287 12V 26Ah Alarm Battery

    In stock

    Info AJC® replacement compatible with Simplex 2081-9287 Alarm Battery Exact OEM replacement guaranteed to fit easily and precisely Maintenance free...

    View full details
    $70.19 - $70.19
    $70.19
    $70.19 - $70.19
    $70.19
  • Simplex 112-134 12V 26Ah Alarm Replacement Battery
    $70.19 - $70.19
    $70.19
    $70.19 - $70.19
    $70.19

    AJC Battery Compatible with Simplex 112-134 12V 26Ah Alarm Battery

    In stock

    Info AJC® replacement compatible with Simplex 112-134 Alarm Battery Exact OEM replacement guaranteed to fit easily and precisely Maintenance free A...

    View full details
    $70.19 - $70.19
    $70.19
    $70.19 - $70.19
    $70.19
  • Simplex 2081-9276 12V 22Ah Alarm Replacement Battery
    $56.69 - $56.69
    $56.69
    $56.69 - $56.69
    $56.69

    AJC Battery Compatible with Simplex 2081-9276 12V 22Ah Alarm Battery

    In stock

    Info AJC® replacement compatible with Simplex 2081-9276 Alarm Battery Exact OEM replacement guaranteed to fit easily and precisely Maintenance free...

    View full details
    $56.69 - $56.69
    $56.69
    $56.69 - $56.69
    $56.69
  • Simplex 20819275 12V 22Ah Alarm Replacement Battery
    $56.69 - $56.69
    $56.69
    $56.69 - $56.69
    $56.69

    AJC Battery Compatible with Simplex 20819275 12V 22Ah Alarm Battery

    In stock

    Info AJC® replacement compatible with Simplex 20819275 Alarm Battery Exact OEM replacement guaranteed to fit easily and precisely Maintenance free ...

    View full details
    $56.69 - $56.69
    $56.69
    $56.69 - $56.69
    $56.69
  • Simplex 20819276 12V 1.3Ah Alarm Replacement Battery
    $7.29 - $7.29
    $7.29
    $7.29 - $7.29
    $7.29

    AJC Battery Compatible with Simplex 20819276 12V 1.3Ah Alarm Battery

    In stock

    Info AJC® replacement compatible with Simplex 20819276 Alarm Battery Exact OEM replacement guaranteed to fit easily and precisely Maintenance free ...

    View full details
    $7.29 - $7.29
    $7.29
    $7.29 - $7.29
    $7.29