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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 ADT 420615 12V 22Ah Alarm Battery
    $58.99 - $58.99
    $58.99
    $58.99 - $58.99
    $58.99

    AJC Battery Compatible with ADT 420615 12V 22Ah 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...

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    $58.99 - $58.99
    $58.99
    $58.99 - $58.99
    $58.99
  • AJC Battery Compatible with ADI 804077 12V 22Ah Alarm Battery
    $58.99 - $58.99
    $58.99
    $58.99 - $58.99
    $58.99

    AJC Battery Compatible with ADI 804077 12V 22Ah 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
    $58.99 - $58.99
    $58.99
    $58.99 - $58.99
    $58.99
  • AJC Battery Compatible with Ademco All 12V 22Ah Alarm Battery
    $58.99 - $58.99
    $58.99
    $58.99 - $58.99
    $58.99

    AJC Battery Compatible with Ademco All 12V 22Ah 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
    $58.99 - $58.99
    $58.99
    $58.99 - $58.99
    $58.99
  • AJC Battery Compatible with UltraTech UT-1240 12V 9Ah Alarm Battery
    $27.19 - $27.19
    $27.19
    $27.19 - $27.19
    $27.19

    AJC Battery Compatible with UltraTech UT-1240 12V 9Ah 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
    $27.19 - $27.19
    $27.19
    $27.19 - $27.19
    $27.19
  • AJC Battery Compatible with Simplex 2081-9274 12V 18Ah Alarm Battery
    $53.39 - $58.99
    $53.39 - $58.99
    $53.39 - $58.99
    $53.39

    AJC Battery Compatible with Simplex 2081-9274 12V 18Ah 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
    $53.39 - $58.99
    $53.39 - $58.99
    $53.39 - $58.99
    $53.39
  • AJC Battery Compatible with Simplex 20819276 12V 1.3Ah Alarm Battery
    $7.99 - $7.99
    $7.99
    $7.99 - $7.99
    $7.99

    AJC Battery Compatible with Simplex 20819276 12V 1.3Ah 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
    $7.99 - $7.99
    $7.99
    $7.99 - $7.99
    $7.99
  • AJC Battery Compatible with Simplex 2081-9272 12V 18Ah Alarm Battery
    $53.39 - $58.99
    $53.39 - $58.99
    $53.39 - $58.99
    $53.39

    AJC Battery Compatible with Simplex 2081-9272 12V 18Ah 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
    $53.39 - $58.99
    $53.39 - $58.99
    $53.39 - $58.99
    $53.39
  • AJC Battery Compatible with Simplex 112-133 12V 10Ah Alarm Battery
    $35.39 - $46.59
    $35.39 - $46.59
    $35.39 - $46.59
    $35.39

    AJC Battery Compatible with Simplex 112-133 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
  • AJC Battery Compatible with Simplex 112-113 12V 100Ah Alarm Battery
    $211.49 - $211.49
    $211.49
    $211.49 - $211.49
    $211.49

    AJC Battery Compatible with Simplex 112-113 12V 100Ah 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
    $211.49 - $211.49
    $211.49
    $211.49 - $211.49
    $211.49
  • AJC Battery Compatible with Simplex 112-112 12V 100Ah Alarm Battery
    $211.49 - $211.49
    $211.49
    $211.49 - $211.49
    $211.49

    AJC Battery Compatible with Simplex 112-112 12V 100Ah 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
    $211.49 - $211.49
    $211.49
    $211.49 - $211.49
    $211.49
  • AJC Battery Compatible with GE Security Caddx NetworX NX-8E 12V 7Ah Alarm Battery
    $18.99 - $27.19
    $18.99 - $27.19
    $18.99 - $27.19
    $18.99

    AJC Battery Compatible with GE Security Caddx NetworX NX-8E 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 - $27.19
    $18.99 - $27.19
    $18.99 - $27.19
    $18.99
  • AJC Battery Compatible with GE Security Caddx NetworX NX-8 12V 7Ah Alarm Battery
    $18.99 - $27.19
    $18.99 - $27.19
    $18.99 - $27.19
    $18.99

    AJC Battery Compatible with GE Security Caddx NetworX NX-8 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 - $27.19
    $18.99 - $27.19
    $18.99 - $27.19
    $18.99
  • AJC Battery Compatible with GE Security Caddx NetworX NX-4 12V 7Ah Alarm Battery
    $18.99 - $27.19
    $18.99 - $27.19
    $18.99 - $27.19
    $18.99

    AJC Battery Compatible with GE Security Caddx NetworX NX-4 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 - $27.19
    $18.99 - $27.19
    $18.99 - $27.19
    $18.99
  • AJC Battery Compatible with GE Security Caddx NetworX NX-6 12V 7Ah Alarm Battery
    $18.99 - $27.19
    $18.99 - $27.19
    $18.99 - $27.19
    $18.99

    AJC Battery Compatible with GE Security Caddx NetworX NX-6 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 - $27.19
    $18.99 - $27.19
    $18.99 - $27.19
    $18.99
  • AJC Battery Compatible with Ademco K4362 12V 35Ah Alarm Battery
    $101.59 - $101.59
    $101.59
    $101.59 - $101.59
    $101.59

    AJC Battery Compatible with Ademco K4362 12V 35Ah 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
    $101.59 - $101.59
    $101.59
    $101.59 - $101.59
    $101.59
  • AJC Battery Compatible with Ademco 7720BT 12V 35Ah Alarm Battery
    $101.59 - $101.59
    $101.59
    $101.59 - $101.59
    $101.59

    AJC Battery Compatible with Ademco 7720BT 12V 35Ah 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
    $101.59 - $101.59
    $101.59
    $101.59 - $101.59
    $101.59
  • AJC Battery Compatible with Zareba SP3 6V 4.5Ah Alarm Battery
    $8.19 - $8.19
    $8.19
    $8.19 - $8.19
    $8.19

    AJC Battery Compatible with Zareba SP3 6V 4.5Ah Alarm Battery

    In stock

    Information 6V SLA AGM | Premier OEM Replacement Battery by AJC® Maintenance-Free AGM Technology: No need to add acid or water, ever. Guaranteed ...

    View full details
    $8.19 - $8.19
    $8.19
    $8.19 - $8.19
    $8.19
  • AJC Battery Compatible with Zareba SB3 6V 4.5Ah Alarm Battery
    $8.19 - $8.19
    $8.19
    $8.19 - $8.19
    $8.19

    AJC Battery Compatible with Zareba SB3 6V 4.5Ah Alarm Battery

    In stock

    Information 6V SLA AGM | Premier OEM Replacement Battery by AJC® Maintenance-Free AGM Technology: No need to add acid or water, ever. Guaranteed ...

    View full details
    $8.19 - $8.19
    $8.19
    $8.19 - $8.19
    $8.19
  • AJC Battery Compatible with Ademco All 12V 18Ah Alarm Battery
    $53.39 - $58.99
    $53.39 - $58.99
    $53.39 - $58.99
    $53.39

    AJC Battery Compatible with Ademco All 12V 18Ah 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
    $53.39 - $58.99
    $53.39 - $58.99
    $53.39 - $58.99
    $53.39
  • AJC Battery Compatible with Zareba LIS3B 6V 4.5Ah Alarm Battery
    $8.19 - $8.19
    $8.19
    $8.19 - $8.19
    $8.19

    AJC Battery Compatible with Zareba LIS3B 6V 4.5Ah Alarm Battery

    In stock

    Information 6V SLA AGM | Premier OEM Replacement Battery by AJC® Maintenance-Free AGM Technology: No need to add acid or water, ever. Guaranteed ...

    View full details
    $8.19 - $8.19
    $8.19
    $8.19 - $8.19
    $8.19
  • AJC Battery Compatible with Zareba LIS3 6V 4.5Ah Alarm Battery
    $8.19 - $8.19
    $8.19
    $8.19 - $8.19
    $8.19

    AJC Battery Compatible with Zareba LIS3 6V 4.5Ah Alarm Battery

    In stock

    Information 6V SLA AGM | Premier OEM Replacement Battery by AJC® Maintenance-Free AGM Technology: No need to add acid or water, ever. Guaranteed ...

    View full details
    $8.19 - $8.19
    $8.19
    $8.19 - $8.19
    $8.19
  • AJC Battery Compatible with Zareba ESP10M Fence Charger 6V 12Ah Alarm Battery
    $19.79 - $19.79
    $19.79
    $19.79 - $19.79
    $19.79

    AJC Battery Compatible with Zareba ESP10M Fence Charger 6V 12Ah Alarm Battery

    In stock

    Information 6V SLA AGM | Premier OEM Replacement Battery by AJC® Maintenance-Free AGM Technology: No need to add acid or water, ever. Guaranteed ...

    View full details
    $19.79 - $19.79
    $19.79
    $19.79 - $19.79
    $19.79
  • AJC Battery Compatible with Zareba 10 Mile Solar Charger 6V 12Ah Alarm Battery
    $19.79 - $19.79
    $19.79
    $19.79 - $19.79
    $19.79

    AJC Battery Compatible with Zareba 10 Mile Solar Charger 6V 12Ah Alarm Battery

    In stock

    Information 6V SLA AGM | Premier OEM Replacement Battery by AJC® Maintenance-Free AGM Technology: No need to add acid or water, ever. Guaranteed ...

    View full details
    $19.79 - $19.79
    $19.79
    $19.79 - $19.79
    $19.79
  • AJC Battery Compatible with Zareba SB3ZR 6V 4.5Ah Alarm Battery
    $8.19 - $8.19
    $8.19
    $8.19 - $8.19
    $8.19

    AJC Battery Compatible with Zareba SB3ZR 6V 4.5Ah Alarm Battery

    In stock

    Information 6V SLA AGM | Premier OEM Replacement Battery by AJC® Maintenance-Free AGM Technology: No need to add acid or water, ever. Guaranteed ...

    View full details
    $8.19 - $8.19
    $8.19
    $8.19 - $8.19
    $8.19