Skip to content
AJC Battery FAST 1-2 day shipping to most of the USA
AJC Battery Prime FAST 1-2 day shipping to most of the USA

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.

  • AJC Battery Compatible with Alco ACP10 Intruder 12V 7Ah Alarm Battery
    $19.39 - $27.49
    $19.39 - $27.49
    $19.39 - $27.49
    $19.39

    AJC Battery Compatible with Alco ACP10 Intruder 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
    $19.39 - $27.49
    $19.39 - $27.49
    $19.39 - $27.49
    $19.39
  • AJC Battery Compatible with Agri-Alert 800 800T 12V 7Ah Alarm Battery
    $19.39 - $27.49
    $19.39 - $27.49
    $19.39 - $27.49
    $19.39

    AJC Battery Compatible with Agri-Alert 800 800T 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
    $19.39 - $27.49
    $19.39 - $27.49
    $19.39 - $27.49
    $19.39
  • AJC Battery Compatible with ADT Vista 10SE 12V 4.5Ah Alarm Battery
    $17.39 - $18.49
    $17.39 - $18.49
    $17.39 - $18.49
    $17.39

    AJC Battery Compatible with ADT Vista 10SE 12V 4.5Ah 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
    $17.39 - $18.49
    $17.39 - $18.49
    $17.39 - $18.49
    $17.39
  • AJC Battery Compatible with ADT Vista 20PSIA 12V 7Ah Alarm Battery
    $19.39 - $27.49
    $19.39 - $27.49
    $19.39 - $27.49
    $19.39

    AJC Battery Compatible with ADT Vista 20PSIA 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
    $19.39 - $27.49
    $19.39 - $27.49
    $19.39 - $27.49
    $19.39
  • AJC Battery Compatible with ADT Vista 20SE 12V 8Ah Alarm Battery
    $23.69 - $23.69
    $23.69
    $23.69 - $23.69
    $23.69

    AJC Battery Compatible with ADT Vista 20SE 12V 8Ah 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
    $23.69 - $23.69
    $23.69
    $23.69 - $23.69
    $23.69
  • AJC Battery Compatible with ADT Vista 20SE 12V 7Ah Alarm Battery
    $19.39 - $27.49
    $19.39 - $27.49
    $19.39 - $27.49
    $19.39

    AJC Battery Compatible with ADT Vista 20SE 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
    $19.39 - $27.49
    $19.39 - $27.49
    $19.39 - $27.49
    $19.39
  • AJC Battery Compatible with ADT Vista 15CN 12V 7Ah Alarm Battery
    $19.39 - $27.49
    $19.39 - $27.49
    $19.39 - $27.49
    $19.39

    AJC Battery Compatible with ADT Vista 15CN 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
    $19.39 - $27.49
    $19.39 - $27.49
    $19.39 - $27.49
    $19.39
  • AJC Battery Compatible with ADT Vista 20P 12V 8Ah Alarm Battery
    $23.69 - $23.69
    $23.69
    $23.69 - $23.69
    $23.69

    AJC Battery Compatible with ADT Vista 20P 12V 8Ah 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
    $23.69 - $23.69
    $23.69
    $23.69 - $23.69
    $23.69
  • AJC Battery Compatible with ADT Vista 15 12V 7Ah Alarm Battery
    $19.39 - $27.49
    $19.39 - $27.49
    $19.39 - $27.49
    $19.39

    AJC Battery Compatible with ADT Vista 15 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
    $19.39 - $27.49
    $19.39 - $27.49
    $19.39 - $27.49
    $19.39
  • AJC Battery Compatible with ADT Vista 20P 12V 7Ah Alarm Battery
    $19.39 - $27.49
    $19.39 - $27.49
    $19.39 - $27.49
    $19.39

    AJC Battery Compatible with ADT Vista 20P 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
    $19.39 - $27.49
    $19.39 - $27.49
    $19.39 - $27.49
    $19.39
  • AJC Battery Compatible with ADT Vista 10P 12V 7Ah Alarm Battery
    $19.39 - $27.49
    $19.39 - $27.49
    $19.39 - $27.49
    $19.39

    AJC Battery Compatible with ADT Vista 10P 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
    $19.39 - $27.49
    $19.39 - $27.49
    $19.39 - $27.49
    $19.39
  • AJC Battery Compatible with ADT Vista 10SE 12V 5Ah Alarm Battery
    $18.49 - $18.49
    $18.49
    $18.49 - $18.49
    $18.49

    AJC Battery Compatible with ADT Vista 10SE 12V 5Ah 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
    $18.49 - $18.49
    $18.49
    $18.49 - $18.49
    $18.49
  • AJC Battery Compatible with ADT Vista 10 12V 7Ah Alarm Battery
    $19.39 - $27.49
    $19.39 - $27.49
    $19.39 - $27.49
    $19.39

    AJC Battery Compatible with ADT Vista 10 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
    $19.39 - $27.49
    $19.39 - $27.49
    $19.39 - $27.49
    $19.39
  • AJC Battery Compatible with ADT Vista 15P 12V 7Ah Alarm Battery
    $19.39 - $27.49
    $19.39 - $27.49
    $19.39 - $27.49
    $19.39

    AJC Battery Compatible with ADT Vista 15P 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
    $19.39 - $27.49
    $19.39 - $27.49
    $19.39 - $27.49
    $19.39
  • AJC Battery Compatible with ADT Security Manager 3000 12V 4.5Ah Alarm Battery
    $17.39 - $18.49
    $17.39 - $18.49
    $17.39 - $18.49
    $17.39

    AJC Battery Compatible with ADT Security Manager 3000 12V 4.5Ah 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
    $17.39 - $18.49
    $17.39 - $18.49
    $17.39 - $18.49
    $17.39
  • AJC Battery Compatible with ADT Security Manager 2000 12V 5Ah Alarm Battery
    $18.49 - $18.49
    $18.49
    $18.49 - $18.49
    $18.49

    AJC Battery Compatible with ADT Security Manager 2000 12V 5Ah 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
    $18.49 - $18.49
    $18.49
    $18.49 - $18.49
    $18.49
  • AJC Battery Compatible with ADT Security Manager 2000 12V 4.5Ah Alarm Battery
    $17.39 - $18.49
    $17.39 - $18.49
    $17.39 - $18.49
    $17.39

    AJC Battery Compatible with ADT Security Manager 2000 12V 4.5Ah 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
    $17.39 - $18.49
    $17.39 - $18.49
    $17.39 - $18.49
    $17.39
  • AJC Battery Compatible with ADT Security Alarm Safewatch Pro 3000 12V 4.5Ah Alarm Battery
    $17.39 - $18.49
    $17.39 - $18.49
    $17.39 - $18.49
    $17.39

    AJC Battery Compatible with ADT Security Alarm Safewatch Pro 3000 12V 4.5Ah 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
    $17.39 - $18.49
    $17.39 - $18.49
    $17.39 - $18.49
    $17.39
  • AJC Battery Compatible with ADT Security Alarm Safewatch Pro 3000EN 12V 4.5Ah Alarm Battery
    $17.39 - $18.49
    $17.39 - $18.49
    $17.39 - $18.49
    $17.39

    AJC Battery Compatible with ADT Security Alarm Safewatch Pro 3000EN 12V 4.5Ah 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
    $17.39 - $18.49
    $17.39 - $18.49
    $17.39 - $18.49
    $17.39
  • AJC Battery Compatible with ADT Manager 2000 12V 4.5Ah Alarm Battery
    $17.39 - $18.49
    $17.39 - $18.49
    $17.39 - $18.49
    $17.39

    AJC Battery Compatible with ADT Manager 2000 12V 4.5Ah 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
    $17.39 - $18.49
    $17.39 - $18.49
    $17.39 - $18.49
    $17.39
  • AJC Battery Compatible with ADT Security Alarm 804302 12V 4.5Ah Alarm Battery
    $17.39 - $18.49
    $17.39 - $18.49
    $17.39 - $18.49
    $17.39

    AJC Battery Compatible with ADT Security Alarm 804302 12V 4.5Ah 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
    $17.39 - $18.49
    $17.39 - $18.49
    $17.39 - $18.49
    $17.39
  • AJC Battery Compatible with ADT Safewatch Quick Connect 12V 7Ah Alarm Battery
    $19.39 - $27.49
    $19.39 - $27.49
    $19.39 - $27.49
    $19.39

    AJC Battery Compatible with ADT Safewatch Quick Connect 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
    $19.39 - $27.49
    $19.39 - $27.49
    $19.39 - $27.49
    $19.39
  • AJC Battery Compatible with ADT Security Manager 3000 12V 5Ah Alarm Battery
    $18.49 - $18.49
    $18.49
    $18.49 - $18.49
    $18.49

    AJC Battery Compatible with ADT Security Manager 3000 12V 5Ah 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
    $18.49 - $18.49
    $18.49
    $18.49 - $18.49
    $18.49
  • AJC Battery Compatible with ADT Security Alarm 4520624 12V 26Ah Alarm Battery
    $75.69 - $75.69
    $75.69
    $75.69 - $75.69
    $75.69

    AJC Battery Compatible with ADT Security Alarm 4520624 12V 26Ah 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
    $75.69 - $75.69
    $75.69
    $75.69 - $75.69
    $75.69