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BatteryClerk Prime FAST 1-2 day shipping to most of Canada
BatteryClerk Prime FAST 1-2 day shipping to most of Canada

Alarm Batteries

Ensure your property stays protected, even during a power outage, with BatteryClerk’s reliable backup replacement alarm batteries. Our selection includes high-quality, compatible OEM batteries designed to fit top alarm brands like ADT, Acme, and Ademco, so you can trust your security system to perform when it matters most. Don’t let a dead battery leave you vulnerable—explore our collection today and keep your alarm system running smoothly 24/7!

  • Simplex 2081-9272 12V 22Ah Alarm Replacement Battery
    $65.49 - $65.49
    $65.49
    $65.49 - $65.49
    $65.49

    AJC Battery Compatible with Simplex 2081-9272 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
    $65.49 - $65.49
    $65.49
    $65.49 - $65.49
    $65.49
  • Simplex 2081-9272 12V 18Ah Alarm Replacement Battery
    $57.19 - $65.49
    $57.19 - $65.49
    $57.19 - $65.49
    $57.19

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

    In stock

    $57.19 - $65.49
    $57.19 - $65.49
    $57.19 - $65.49
    $57.19
  • Simplex 20013072 12V 12Ah Alarm Replacement Battery
    $38.69 - $46.89
    $38.69 - $46.89
    $38.69 - $46.89
    $38.69

    AJC Battery Compatible with Simplex 20013072 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
    $38.69 - $46.89
    $38.69 - $46.89
    $38.69 - $46.89
    $38.69
  • Simplex 20013072 12V 10Ah Alarm Replacement Battery
    $37.49 - $46.89
    $37.49 - $46.89
    $37.49 - $46.89
    $37.49

    AJC Battery Compatible with Simplex 20013072 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
    $37.49 - $46.89
    $37.49 - $46.89
    $37.49 - $46.89
    $37.49
  • Simplex 112-133 12V 10Ah Alarm Replacement Battery
    $37.49 - $46.89
    $37.49 - $46.89
    $37.49 - $46.89
    $37.49

    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
    $37.49 - $46.89
    $37.49 - $46.89
    $37.49 - $46.89
    $37.49
  • Simplex 112-113 12V 12Ah Alarm Replacement Battery
    $38.69 - $46.89
    $38.69 - $46.89
    $38.69 - $46.89
    $38.69

    AJC Battery Compatible with Simplex 112-113 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
    $38.69 - $46.89
    $38.69 - $46.89
    $38.69 - $46.89
    $38.69
  • Simplex 112-113 12V 10Ah Alarm Replacement Battery
    $37.49 - $46.89
    $37.49 - $46.89
    $37.49 - $46.89
    $37.49

    AJC Battery Compatible with Simplex 112-113 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
    $37.49 - $46.89
    $37.49 - $46.89
    $37.49 - $46.89
    $37.49
  • Simplex 112-113 12V 100Ah Alarm Replacement Battery
    $286.99 - $286.99
    $286.99
    $286.99 - $286.99
    $286.99

    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
    $286.99 - $286.99
    $286.99
    $286.99 - $286.99
    $286.99
  • Simplex 112-112 12V 100Ah Alarm Replacement Battery
    $286.99 - $286.99
    $286.99
    $286.99 - $286.99
    $286.99

    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
    $286.99 - $286.99
    $286.99
    $286.99 - $286.99
    $286.99
  • Simplex 112-046 12V 22Ah Alarm Replacement Battery
    $65.49 - $65.49
    $65.49
    $65.49 - $65.49
    $65.49

    AJC Battery Compatible with Simplex 112-046 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
    $65.49 - $65.49
    $65.49
    $65.49 - $65.49
    $65.49
  • Simplex 112-046 12V 18Ah Alarm Replacement Battery
    $57.19 - $65.49
    $57.19 - $65.49
    $57.19 - $65.49
    $57.19

    AJC Battery Compatible with Simplex 112-046 12V 18Ah Alarm Battery

    In stock

    $57.19 - $65.49
    $57.19 - $65.49
    $57.19 - $65.49
    $57.19
  • Simplex re Alarm Control Panel Battery 12V 7Ah Alarm Replacement Battery
    $23.99 - $32.19
    $23.99 - $32.19
    $23.99 - $32.19
    $23.99

    AJC Battery Compatible with Simplex re Alarm Control Panel Battery 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
    $23.99 - $32.19
    $23.99 - $32.19
    $23.99 - $32.19
    $23.99
  • Simplex 4100 Fire Alarm Panel 12V 35Ah Alarm Replacement Battery
    $109.29 - $109.29
    $109.29
    $109.29 - $109.29
    $109.29

    AJC Battery Compatible with Simplex 4100 Fire Alarm Panel 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
    $109.29 - $109.29
    $109.29
    $109.29 - $109.29
    $109.29
  • Simplex 75 Fire Alarm Control Panel Battery 12V 18Ah Alarm Replacement Battery
    $57.19 - $65.49
    $57.19 - $65.49
    $57.19 - $65.49
    $57.19

    AJC Battery Compatible with Simplex 75 Fire Alarm Control Panel Battery 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
    $57.19 - $65.49
    $57.19 - $65.49
    $57.19 - $65.49
    $57.19
  • Simplex Fire Alarm Control Panel Battery 12V 12Ah Alarm Replacement Battery
    $38.69 - $46.89
    $38.69 - $46.89
    $38.69 - $46.89
    $38.69

    AJC Battery Compatible with Simplex Fire Alarm Control Panel Battery 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
    $38.69 - $46.89
    $38.69 - $46.89
    $38.69 - $46.89
    $38.69
  • Simplex 88 Fire Alarm Control Panel Battery 12V 12Ah Alarm Replacement Battery
    $38.69 - $46.89
    $38.69 - $46.89
    $38.69 - $46.89
    $38.69

    AJC Battery Compatible with Simplex 88 Fire Alarm Control Panel Battery 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
    $38.69 - $46.89
    $38.69 - $46.89
    $38.69 - $46.89
    $38.69
  • Simplex 74 Fire Alarm Control Panel Battery 12V 12Ah Alarm Replacement Battery
    $38.69 - $46.89
    $38.69 - $46.89
    $38.69 - $46.89
    $38.69

    AJC Battery Compatible with Simplex 74 Fire Alarm Control Panel Battery 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
    $38.69 - $46.89
    $38.69 - $46.89
    $38.69 - $46.89
    $38.69
  • Simplex 2081-9288 12V 12Ah Alarm Replacement Battery
    $38.69 - $46.89
    $38.69 - $46.89
    $38.69 - $46.89
    $38.69

    AJC Battery Compatible with Simplex 2081-9288 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
    $38.69 - $46.89
    $38.69 - $46.89
    $38.69 - $46.89
    $38.69
  • Simplex 72 Fire Alarm Control Panel Battery 6V 12Ah Alarm Replacement Battery
    $19.99 - $19.99
    $19.99
    $19.99 - $19.99
    $19.99

    AJC Battery Compatible with Simplex 72 Fire Alarm Control Panel Battery 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
    $19.99 - $19.99
    $19.99
    $19.99 - $19.99
    $19.99