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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.

  • Altronix BT1212 12V 10Ah Alarm Replacement Battery
    $30.39 - $30.39
    $30.39
    $30.39 - $30.39
    $30.39

    AJC Battery Compatible with Altronix BT1212 12V 10Ah Alarm Battery

    In stock

    Info AJC® replacement compatible with Altronix BT1212 Alarm Battery Exact OEM replacement guaranteed to fit easily and precisely Maintenance free A...

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    $30.39 - $30.39
    $30.39
    $30.39 - $30.39
    $30.39
  • Altronix SMP3E 12V 7Ah Alarm Replacement Battery
    $17.59 - $17.59
    $17.59
    $17.59 - $17.59
    $17.59

    AJC Battery Compatible with Altronix SMP3E 12V 7Ah Alarm Battery

    In stock

    Info AJC® replacement compatible with Altronix SMP3E Alarm Battery Exact OEM replacement guaranteed to fit easily and precisely Maintenance free AG...

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    $17.59 - $17.59
    $17.59
    $17.59 - $17.59
    $17.59
  • Altronix BT124 12V 4.5Ah Alarm Replacement Battery
    $15.99 - $15.99
    $15.99
    $15.99 - $15.99
    $15.99

    AJC Battery Compatible with Altronix BT124 12V 4.5Ah Alarm Battery

    In stock

    Info AJC® replacement compatible with Altronix BT124 Alarm Battery Exact OEM replacement guaranteed to fit easily and precisely Maintenance free AG...

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    $15.99 - $15.99
    $15.99
    $15.99 - $15.99
    $15.99
  • Altronix AL400ULX 12V 7Ah Alarm Replacement Battery
    $17.59 - $17.59
    $17.59
    $17.59 - $17.59
    $17.59

    AJC Battery Compatible with Altronix AL400ULX 12V 7Ah Alarm Battery

    In stock

    Info AJC® replacement compatible with Altronix AL400ULX Alarm Battery Exact OEM replacement guaranteed to fit easily and precisely Maintenance free...

    View full details
    $17.59 - $17.59
    $17.59
    $17.59 - $17.59
    $17.59
  • Altronix AL1012ULACMJ 12V 18Ah Alarm Replacement Battery
    $46.99 - $46.99
    $46.99
    $46.99 - $46.99
    $46.99

    AJC Battery Compatible with Altronix AL1012ULACMJ 12V 18Ah Alarm Battery

    In stock

    Info AJC® replacement compatible with Altronix AL1012ULACMJ Alarm Battery Exact OEM replacement guaranteed to fit easily and precisely Maintenance ...

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    $46.99 - $46.99
    $46.99
    $46.99 - $46.99
    $46.99
  • Altronix AL624-12C 12V 5Ah Alarm Replacement Battery
    $16.49 - $16.49
    $16.49
    $16.49 - $16.49
    $16.49

    AJC Battery Compatible with Altronix AL624-12C 12V 5Ah Alarm Battery

    In stock

    Info AJC® replacement compatible with Altronix AL624-12C Alarm Battery Exact OEM replacement guaranteed to fit easily and precisely Maintenance fre...

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    $16.49 - $16.49
    $16.49
    $16.49 - $16.49
    $16.49
  • Altronix AL300ULX 12V 7Ah Alarm Replacement Battery
    $17.59 - $17.59
    $17.59
    $17.59 - $17.59
    $17.59

    AJC Battery Compatible with Altronix AL300ULX 12V 7Ah Alarm Battery

    In stock

    Info AJC® replacement compatible with Altronix AL300ULX Alarm Battery Exact OEM replacement guaranteed to fit easily and precisely Maintenance free...

    View full details
    $17.59 - $17.59
    $17.59
    $17.59 - $17.59
    $17.59
  • Altronix AL802ULADA 12V 7Ah Alarm Replacement Battery
    $17.59 - $17.59
    $17.59
    $17.59 - $17.59
    $17.59

    AJC Battery Compatible with Altronix AL802ULADA 12V 7Ah Alarm Battery

    In stock

    Info AJC® replacement compatible with Altronix AL802ULADA Alarm Battery Exact OEM replacement guaranteed to fit easily and precisely Maintenance fr...

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    $17.59 - $17.59
    $17.59
    $17.59 - $17.59
    $17.59
  • Altronix SMP7PMP8 12V 7Ah Alarm Replacement Battery
    $17.59 - $17.59
    $17.59
    $17.59 - $17.59
    $17.59

    AJC Battery Compatible with Altronix SMP7PMP8 12V 7Ah Alarm Battery

    In stock

    Info AJC® replacement compatible with Altronix SMP7PMP8 Alarm Battery Exact OEM replacement guaranteed to fit easily and precisely Maintenance free...

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    $17.59 - $17.59
    $17.59
    $17.59 - $17.59
    $17.59
  • Altronix SMP7PMP8CB 12V 7Ah Alarm Replacement Battery
    $17.59 - $17.59
    $17.59
    $17.59 - $17.59
    $17.59

    AJC Battery Compatible with Altronix SMP7PMP8CB 12V 7Ah Alarm Battery

    In stock

    Info AJC® replacement compatible with Altronix SMP7PMP8CB Alarm Battery Exact OEM replacement guaranteed to fit easily and precisely Maintenance fr...

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    $17.59 - $17.59
    $17.59
    $17.59 - $17.59
    $17.59
  • Altronix SMP7PMP4 12V 7Ah Alarm Replacement Battery
    $17.59 - $17.59
    $17.59
    $17.59 - $17.59
    $17.59

    AJC Battery Compatible with Altronix SMP7PMP4 12V 7Ah Alarm Battery

    In stock

    Info AJC® replacement compatible with Altronix SMP7PMP4 Alarm Battery Exact OEM replacement guaranteed to fit easily and precisely Maintenance free...

    View full details
    $17.59 - $17.59
    $17.59
    $17.59 - $17.59
    $17.59
  • Altronix SMP7PMP4CB 12V 7Ah Alarm Replacement Battery
    $17.59 - $17.59
    $17.59
    $17.59 - $17.59
    $17.59

    AJC Battery Compatible with Altronix SMP7PMP4CB 12V 7Ah Alarm Battery

    In stock

    Info AJC® replacement compatible with Altronix SMP7PMP4CB Alarm Battery Exact OEM replacement guaranteed to fit easily and precisely Maintenance fr...

    View full details
    $17.59 - $17.59
    $17.59
    $17.59 - $17.59
    $17.59
  • Altronix SMP7PMCTX 12V 7Ah Alarm Replacement Battery
    $17.59 - $17.59
    $17.59
    $17.59 - $17.59
    $17.59

    AJC Battery Compatible with Altronix SMP7PMCTX 12V 7Ah Alarm Battery

    In stock

    Info AJC® replacement compatible with Altronix SMP7PMCTX Alarm Battery Exact OEM replacement guaranteed to fit easily and precisely Maintenance fre...

    View full details
    $17.59 - $17.59
    $17.59
    $17.59 - $17.59
    $17.59
  • Altronix SMP7PMCTXPD8 12V 7Ah Alarm Replacement Battery
    $17.59 - $17.59
    $17.59
    $17.59 - $17.59
    $17.59

    AJC Battery Compatible with Altronix SMP7PMCTXPD8 12V 7Ah Alarm Battery

    In stock

    Info AJC® replacement compatible with Altronix SMP7PMCTXPD8 Alarm Battery Exact OEM replacement guaranteed to fit easily and precisely Maintenance ...

    View full details
    $17.59 - $17.59
    $17.59
    $17.59 - $17.59
    $17.59
  • Altronix SMP7PMCTXPD8CB 12V 7Ah Alarm Replacement Battery
    $17.59 - $17.59
    $17.59
    $17.59 - $17.59
    $17.59

    AJC Battery Compatible with Altronix SMP7PMCTXPD8CB 12V 7Ah Alarm Battery

    In stock

    Info AJC® replacement compatible with Altronix SMP7PMCTXPD8CB Alarm Battery Exact OEM replacement guaranteed to fit easily and precisely Maintenanc...

    View full details
    $17.59 - $17.59
    $17.59
    $17.59 - $17.59
    $17.59
  • Altronix SMP7PMCTXPD4 12V 7Ah Alarm Replacement Battery
    $17.59 - $17.59
    $17.59
    $17.59 - $17.59
    $17.59

    AJC Battery Compatible with Altronix SMP7PMCTXPD4 12V 7Ah Alarm Battery

    In stock

    Info AJC® replacement compatible with Altronix SMP7PMCTXPD4 Alarm Battery Exact OEM replacement guaranteed to fit easily and precisely Maintenance ...

    View full details
    $17.59 - $17.59
    $17.59
    $17.59 - $17.59
    $17.59
  • Altronix SMP7PMCTXPD4CB 12V 7Ah Alarm Replacement Battery
    $17.59 - $17.59
    $17.59
    $17.59 - $17.59
    $17.59

    AJC Battery Compatible with Altronix SMP7PMCTXPD4CB 12V 7Ah Alarm Battery

    In stock

    Info AJC® replacement compatible with Altronix SMP7PMCTXPD4CB Alarm Battery Exact OEM replacement guaranteed to fit easily and precisely Maintenanc...

    View full details
    $17.59 - $17.59
    $17.59
    $17.59 - $17.59
    $17.59
  • Altronix SMP7CTX 12V 7Ah Alarm Replacement Battery
    $17.59 - $17.59
    $17.59
    $17.59 - $17.59
    $17.59

    AJC Battery Compatible with Altronix SMP7CTX 12V 7Ah Alarm Battery

    In stock

    Info AJC® replacement compatible with Altronix SMP7CTX Alarm Battery Exact OEM replacement guaranteed to fit easily and precisely Maintenance free ...

    View full details
    $17.59 - $17.59
    $17.59
    $17.59 - $17.59
    $17.59
  • Altronix SMP5PMP8 12V 7Ah Alarm Replacement Battery
    $17.59 - $17.59
    $17.59
    $17.59 - $17.59
    $17.59

    AJC Battery Compatible with Altronix SMP5PMP8 12V 7Ah Alarm Battery

    In stock

    Info AJC® replacement compatible with Altronix SMP5PMP8 Alarm Battery Exact OEM replacement guaranteed to fit easily and precisely Maintenance free...

    View full details
    $17.59 - $17.59
    $17.59
    $17.59 - $17.59
    $17.59
  • Altronix SMP5PMP8CB 12V 7Ah Alarm Replacement Battery
    $17.59 - $17.59
    $17.59
    $17.59 - $17.59
    $17.59

    AJC Battery Compatible with Altronix SMP5PMP8CB 12V 7Ah Alarm Battery

    In stock

    Info AJC® replacement compatible with Altronix SMP5PMP8CB Alarm Battery Exact OEM replacement guaranteed to fit easily and precisely Maintenance fr...

    View full details
    $17.59 - $17.59
    $17.59
    $17.59 - $17.59
    $17.59
  • Altronix SMP5PMP4 12V 7Ah Alarm Replacement Battery
    $17.59 - $17.59
    $17.59
    $17.59 - $17.59
    $17.59

    AJC Battery Compatible with Altronix SMP5PMP4 12V 7Ah Alarm Battery

    In stock

    Info AJC® replacement compatible with Altronix SMP5PMP4 Alarm Battery Exact OEM replacement guaranteed to fit easily and precisely Maintenance free...

    View full details
    $17.59 - $17.59
    $17.59
    $17.59 - $17.59
    $17.59
  • Altronix SMP5PMP4CB 12V 7Ah Alarm Replacement Battery
    $17.59 - $17.59
    $17.59
    $17.59 - $17.59
    $17.59

    AJC Battery Compatible with Altronix SMP5PMP4CB 12V 7Ah Alarm Battery

    In stock

    Info AJC® replacement compatible with Altronix SMP5PMP4CB Alarm Battery Exact OEM replacement guaranteed to fit easily and precisely Maintenance fr...

    View full details
    $17.59 - $17.59
    $17.59
    $17.59 - $17.59
    $17.59
  • Altronix SMP5PMP16 12V 7Ah Alarm Replacement Battery
    $17.59 - $17.59
    $17.59
    $17.59 - $17.59
    $17.59

    AJC Battery Compatible with Altronix SMP5PMP16 12V 7Ah Alarm Battery

    In stock

    Info AJC® replacement compatible with Altronix SMP5PMP16 Alarm Battery Exact OEM replacement guaranteed to fit easily and precisely Maintenance fre...

    View full details
    $17.59 - $17.59
    $17.59
    $17.59 - $17.59
    $17.59
  • Altronix SMP5PMP16CB 12V 7Ah Alarm Replacement Battery
    $17.59 - $17.59
    $17.59
    $17.59 - $17.59
    $17.59

    AJC Battery Compatible with Altronix SMP5PMP16CB 12V 7Ah Alarm Battery

    In stock

    Info AJC® replacement compatible with Altronix SMP5PMP16CB Alarm Battery Exact OEM replacement guaranteed to fit easily and precisely Maintenance f...

    View full details
    $17.59 - $17.59
    $17.59
    $17.59 - $17.59
    $17.59