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BatteryClerk Prime FAST 1-2 day shipping to most of the USA
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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 AL1012ULXPD8CB 12V 12Ah Alarm Replacement Battery
    $41.89 - $46.59
    $41.89 - $46.59
    $41.89 - $46.59
    $41.89

    AJC Battery Compatible with Altronix AL1012ULXPD8CB 12V 12Ah Alarm Battery

    In stock

    Information 12V SLA AGM | Premier OEM Replacement Battery by AJC® Maintenance-Free AGM Technology: No need to add acid or water, ever. Guaranteed...

    View full details
    $41.89 - $46.59
    $41.89 - $46.59
    $41.89 - $46.59
    $41.89
  • Altronix AL1012ULXPD4CB 12V 12Ah Alarm Replacement Battery
    $41.89 - $46.59
    $41.89 - $46.59
    $41.89 - $46.59
    $41.89

    AJC Battery Compatible with Altronix AL1012ULXPD4CB 12V 12Ah Alarm Battery

    In stock

    Information 12V SLA AGM | Premier OEM Replacement Battery by AJC® Maintenance-Free AGM Technology: No need to add acid or water, ever. Guaranteed...

    View full details
    $41.89 - $46.59
    $41.89 - $46.59
    $41.89 - $46.59
    $41.89
  • Altronix AL1012ULXPD4 12V 12Ah Alarm Replacement Battery
    $41.89 - $46.59
    $41.89 - $46.59
    $41.89 - $46.59
    $41.89

    AJC Battery Compatible with Altronix AL1012ULXPD4 12V 12Ah Alarm Battery

    In stock

    Information 12V SLA AGM | Premier OEM Replacement Battery by AJC® Maintenance-Free AGM Technology: No need to add acid or water, ever. Guaranteed...

    View full details
    $41.89 - $46.59
    $41.89 - $46.59
    $41.89 - $46.59
    $41.89
  • Altronix AL1012ULM 12V 12Ah Alarm Replacement Battery
    $41.89 - $46.59
    $41.89 - $46.59
    $41.89 - $46.59
    $41.89

    AJC Battery Compatible with Altronix AL1012ULM 12V 12Ah Alarm Battery

    In stock

    Information 12V SLA AGM | Premier OEM Replacement Battery by AJC® Maintenance-Free AGM Technology: No need to add acid or water, ever. Guaranteed...

    View full details
    $41.89 - $46.59
    $41.89 - $46.59
    $41.89 - $46.59
    $41.89
  • Altronix AL1012ULACM 12V 12Ah Alarm Replacement Battery
    $41.89 - $46.59
    $41.89 - $46.59
    $41.89 - $46.59
    $41.89

    AJC Battery Compatible with Altronix AL1012ULACM 12V 12Ah Alarm Battery

    In stock

    Information 12V SLA AGM | Premier OEM Replacement Battery by AJC® Maintenance-Free AGM Technology: No need to add acid or water, ever. Guaranteed...

    View full details
    $41.89 - $46.59
    $41.89 - $46.59
    $41.89 - $46.59
    $41.89
  • Altronix AL1012ULACMCB 12V 12Ah Alarm Replacement Battery
    $41.89 - $46.59
    $41.89 - $46.59
    $41.89 - $46.59
    $41.89

    AJC Battery Compatible with Altronix AL1012ULACMCB 12V 12Ah Alarm Battery

    In stock

    Information 12V SLA AGM | Premier OEM Replacement Battery by AJC® Maintenance-Free AGM Technology: No need to add acid or water, ever. Guaranteed...

    View full details
    $41.89 - $46.59
    $41.89 - $46.59
    $41.89 - $46.59
    $41.89
  • Altronix AL1002ULADA 12V 12Ah Alarm Replacement Battery
    $41.89 - $46.59
    $41.89 - $46.59
    $41.89 - $46.59
    $41.89

    AJC Battery Compatible with Altronix AL1002ULADA 12V 12Ah Alarm Battery

    In stock

    Information 12V SLA AGM | Premier OEM Replacement Battery by AJC® Maintenance-Free AGM Technology: No need to add acid or water, ever. Guaranteed...

    View full details
    $41.89 - $46.59
    $41.89 - $46.59
    $41.89 - $46.59
    $41.89
  • Altronix AL1002UL2ADA 12V 12Ah Alarm Replacement Battery
    $41.89 - $46.59
    $41.89 - $46.59
    $41.89 - $46.59
    $41.89

    AJC Battery Compatible with Altronix AL1002UL2ADA 12V 12Ah Alarm Battery

    In stock

    Information 12V SLA AGM | Premier OEM Replacement Battery by AJC® Maintenance-Free AGM Technology: No need to add acid or water, ever. Guaranteed...

    View full details
    $41.89 - $46.59
    $41.89 - $46.59
    $41.89 - $46.59
    $41.89
  • Altronix AL1002UL2ADAJ 12V 12Ah Alarm Replacement Battery
    $41.89 - $46.59
    $41.89 - $46.59
    $41.89 - $46.59
    $41.89

    AJC Battery Compatible with Altronix AL1002UL2ADAJ 12V 12Ah Alarm Battery

    In stock

    Information 12V SLA AGM | Premier OEM Replacement Battery by AJC® Maintenance-Free AGM Technology: No need to add acid or water, ever. Guaranteed...

    View full details
    $41.89 - $46.59
    $41.89 - $46.59
    $41.89 - $46.59
    $41.89
  • Altronix SMP7PMP16CB 12V 12Ah Alarm Replacement Battery
    $41.89 - $46.59
    $41.89 - $46.59
    $41.89 - $46.59
    $41.89

    AJC Battery Compatible with Altronix SMP7PMP16CB 12V 12Ah Alarm Battery

    In stock

    Information 12V SLA AGM | Premier OEM Replacement Battery by AJC® Maintenance-Free AGM Technology: No need to add acid or water, ever. Guaranteed...

    View full details
    $41.89 - $46.59
    $41.89 - $46.59
    $41.89 - $46.59
    $41.89
  • Altronix SMP7PMCTXPD16CB 12V 12Ah Alarm Replacement Battery
    $41.89 - $46.59
    $41.89 - $46.59
    $41.89 - $46.59
    $41.89

    AJC Battery Compatible with Altronix SMP7PMCTXPD16CB 12V 12Ah Alarm Battery

    In stock

    Information 12V SLA AGM | Premier OEM Replacement Battery by AJC® Maintenance-Free AGM Technology: No need to add acid or water, ever. Guaranteed...

    View full details
    $41.89 - $46.59
    $41.89 - $46.59
    $41.89 - $46.59
    $41.89
  • Altronix LPS3C12X 12V 12Ah Alarm Replacement Battery
    $41.89 - $46.59
    $41.89 - $46.59
    $41.89 - $46.59
    $41.89

    AJC Battery Compatible with Altronix LPS3C12X 12V 12Ah Alarm Battery

    In stock

    Information 12V SLA AGM | Premier OEM Replacement Battery by AJC® Maintenance-Free AGM Technology: No need to add acid or water, ever. Guaranteed...

    View full details
    $41.89 - $46.59
    $41.89 - $46.59
    $41.89 - $46.59
    $41.89
  • Altronix SMP7PMP16 12V 7Ah Alarm Replacement Battery
    $18.99 - $18.99
    $18.99
    $18.99 - $18.99
    $18.99

    AJC Battery Compatible with Altronix SMP7PMP16 12V 7Ah Alarm Battery

    In stock

    Information 12V SLA AGM | Premier OEM Replacement Battery by AJC® Maintenance-Free AGM Technology: No need to add acid or water, ever. Guaranteed...

    View full details
    $18.99 - $18.99
    $18.99
    $18.99 - $18.99
    $18.99
  • Altronix SMP7PMCTXPD16 12V 7Ah Alarm Replacement Battery
    $18.99 - $18.99
    $18.99
    $18.99 - $18.99
    $18.99

    AJC Battery Compatible with Altronix SMP7PMCTXPD16 12V 7Ah Alarm Battery

    In stock

    Information 12V SLA AGM | Premier OEM Replacement Battery by AJC® Maintenance-Free AGM Technology: No need to add acid or water, ever. Guaranteed...

    View full details
    $18.99 - $18.99
    $18.99
    $18.99 - $18.99
    $18.99
  • Altronix SMP3PMP16 12V 7Ah Alarm Replacement Battery
    $18.99 - $18.99
    $18.99
    $18.99 - $18.99
    $18.99

    AJC Battery Compatible with Altronix SMP3PMP16 12V 7Ah Alarm Battery

    In stock

    Information 12V SLA AGM | Premier OEM Replacement Battery by AJC® Maintenance-Free AGM Technology: No need to add acid or water, ever. Guaranteed...

    View full details
    $18.99 - $18.99
    $18.99
    $18.99 - $18.99
    $18.99
  • Altronix SMP3PMP4 12V 7Ah Alarm Replacement Battery
    $18.99 - $18.99
    $18.99
    $18.99 - $18.99
    $18.99

    AJC Battery Compatible with Altronix SMP3PMP4 12V 7Ah Alarm Battery

    In stock

    Information 12V SLA AGM | Premier OEM Replacement Battery by AJC® Maintenance-Free AGM Technology: No need to add acid or water, ever. Guaranteed...

    View full details
    $18.99 - $18.99
    $18.99
    $18.99 - $18.99
    $18.99
  • Altronix SMP10PM12P8 12V 7Ah Alarm Replacement Battery
    $18.99 - $18.99
    $18.99
    $18.99 - $18.99
    $18.99

    AJC Battery Compatible with Altronix SMP10PM12P8 12V 7Ah Alarm Battery

    In stock

    Information 12V SLA AGM | Premier OEM Replacement Battery by AJC® Maintenance-Free AGM Technology: No need to add acid or water, ever. Guaranteed...

    View full details
    $18.99 - $18.99
    $18.99
    $18.99 - $18.99
    $18.99
  • Altronix SMP10C12X 12V 7Ah Alarm Replacement Battery
    $18.99 - $18.99
    $18.99
    $18.99 - $18.99
    $18.99

    AJC Battery Compatible with Altronix SMP10C12X 12V 7Ah Alarm Battery

    In stock

    Information 12V SLA AGM | Premier OEM Replacement Battery by AJC® Maintenance-Free AGM Technology: No need to add acid or water, ever. Guaranteed...

    View full details
    $18.99 - $18.99
    $18.99
    $18.99 - $18.99
    $18.99
  • Altronix SM1BOE 12V 10Ah Alarm Replacement Battery
    $35.39 - $46.59
    $35.39 - $46.59
    $35.39 - $46.59
    $35.39

    AJC Battery Compatible with Altronix SM1BOE 12V 10Ah Alarm Battery

    In stock

    Information 12V SLA AGM | Premier OEM Replacement Battery by AJC® Maintenance-Free AGM Technology: No need to add acid or water, ever. Guaranteed...

    View full details
    $35.39 - $46.59
    $35.39 - $46.59
    $35.39 - $46.59
    $35.39
  • Altronix LPS5C24X 12V 7Ah Alarm Replacement Battery
    $18.99 - $18.99
    $18.99
    $18.99 - $18.99
    $18.99

    AJC Battery Compatible with Altronix LPS5C24X 12V 7Ah Alarm Battery

    In stock

    Information 12V SLA AGM | Premier OEM Replacement Battery by AJC® Maintenance-Free AGM Technology: No need to add acid or water, ever. Guaranteed...

    View full details
    $18.99 - $18.99
    $18.99
    $18.99 - $18.99
    $18.99
  • Altronix eFlow6NX 12V 12Ah Alarm Replacement Battery
    $41.89 - $46.59
    $41.89 - $46.59
    $41.89 - $46.59
    $41.89

    AJC Battery Compatible with Altronix eFlow6NX 12V 12Ah Alarm Battery

    In stock

    Information 12V SLA AGM | Premier OEM Replacement Battery by AJC® Maintenance-Free AGM Technology: No need to add acid or water, ever. Guaranteed...

    View full details
    $41.89 - $46.59
    $41.89 - $46.59
    $41.89 - $46.59
    $41.89
  • Altronix eFlow102N 12V 75Ah Alarm Replacement Battery
    $174.79 - $174.79
    $174.79
    $174.79 - $174.79
    $174.79

    AJC Battery Compatible with Altronix eFlow102N 12V 75Ah Alarm Battery

    In stock

    Information 12V SLA AGM | Premier OEM Replacement Battery by AJC® Maintenance-Free AGM Technology: No need to add acid or water, ever. Guaranteed...

    View full details
    $174.79 - $174.79
    $174.79
    $174.79 - $174.79
    $174.79
  • Altronix BT126 12V 75Ah Alarm Replacement Battery
    $174.79 - $174.79
    $174.79
    $174.79 - $174.79
    $174.79

    AJC Battery Compatible with Altronix BT126 12V 75Ah Alarm Battery

    In stock

    Information 12V SLA AGM | Premier OEM Replacement Battery by AJC® Maintenance-Free AGM Technology: No need to add acid or water, ever. Guaranteed...

    View full details
    $174.79 - $174.79
    $174.79
    $174.79 - $174.79
    $174.79
  • Altronix BT1212 12V 12Ah Alarm Replacement Battery
    $41.89 - $46.59
    $41.89 - $46.59
    $41.89 - $46.59
    $41.89

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

    In stock

    Information 12V SLA AGM | Premier OEM Replacement Battery by AJC® Maintenance-Free AGM Technology: No need to add acid or water, ever. Guaranteed...

    View full details
    $41.89 - $46.59
    $41.89 - $46.59
    $41.89 - $46.59
    $41.89