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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!

  • Original price $18.59 - Original price $19.99
    Original price
    $18.59 - $19.99
    $18.59 - $19.99
    Current price $18.59

    AJC Battery Compatible with ADT Safewatch Pro 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...

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    Original price $18.59 - Original price $19.99
    Original price
    $18.59 - $19.99
    $18.59 - $19.99
    Current price $18.59
  • Original price $28.59 - Original price $28.59
    Original price
    $28.59
    $28.59 - $28.59
    Current price $28.59

    ADT Command Smart Security Panel,ADT7AIO,ADT5AIO 7800mAh Alarm Replacement Battery

    INFO This is a replacement compatible with a ADT Alarm Battery Volts: 3.7V (3.7 Volts) Capacity: 7800mAh (7.8Ah) Type: Li-ion Color: Black ADT Comm...

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    Original price $28.59 - Original price $28.59
    Original price
    $28.59
    $28.59 - $28.59
    Current price $28.59
  • Original price $29.19 - Original price $29.19
    Original price
    $29.19
    $29.19 - $29.19
    Current price $29.19

    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...

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    Original price $29.19 - Original price $29.19
    Original price
    $29.19
    $29.19 - $29.19
    Current price $29.19
  • Original price $23.99 - Original price $32.19
    Original price
    $23.99 - $32.19
    $23.99 - $32.19
    Current price $23.99

    AJC Battery Compatible with ADT BHS 4000A 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...

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    Original price $23.99 - Original price $32.19
    Original price
    $23.99 - $32.19
    $23.99 - $32.19
    Current price $23.99
  • Original price $23.99 - Original price $32.19
    Original price
    $23.99 - $32.19
    $23.99 - $32.19
    Current price $23.99

    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...

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    Original price $23.99 - Original price $32.19
    Original price
    $23.99 - $32.19
    $23.99 - $32.19
    Current price $23.99
  • Original price $23.99 - Original price $32.19
    Original price
    $23.99 - $32.19
    $23.99 - $32.19
    Current price $23.99

    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...

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    Original price $23.99 - Original price $32.19
    Original price
    $23.99 - $32.19
    $23.99 - $32.19
    Current price $23.99
  • Original price $23.99 - Original price $32.19
    Original price
    $23.99 - $32.19
    $23.99 - $32.19
    Current price $23.99

    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
    Original price $23.99 - Original price $32.19
    Original price
    $23.99 - $32.19
    $23.99 - $32.19
    Current price $23.99
  • Original price $19.99 - Original price $19.99
    Original price
    $19.99
    $19.99 - $19.99
    Current price $19.99

    AJC Battery Compatible with ADT Messanger 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...

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    Original price $19.99 - Original price $19.99
    Original price
    $19.99
    $19.99 - $19.99
    Current price $19.99
  • Original price $19.99 - Original price $19.99
    Original price
    $19.99
    $19.99 - $19.99
    Current price $19.99

    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
    Original price $19.99 - Original price $19.99
    Original price
    $19.99
    $19.99 - $19.99
    Current price $19.99
  • Original price $19.99 - Original price $19.99
    Original price
    $19.99
    $19.99 - $19.99
    Current price $19.99

    AJC Battery Compatible with ADT Safewatch Pro 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
    Original price $19.99 - Original price $19.99
    Original price
    $19.99
    $19.99 - $19.99
    Current price $19.99
  • Original price $18.59 - Original price $19.99
    Original price
    $18.59 - $19.99
    $18.59 - $19.99
    Current price $18.59

    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
    Original price $18.59 - Original price $19.99
    Original price
    $18.59 - $19.99
    $18.59 - $19.99
    Current price $18.59
  • Original price $18.59 - Original price $19.99
    Original price
    $18.59 - $19.99
    $18.59 - $19.99
    Current price $18.59

    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
    Original price $18.59 - Original price $19.99
    Original price
    $18.59 - $19.99
    $18.59 - $19.99
    Current price $18.59
  • Original price $26.19 - Original price $26.19
    Original price
    $26.19
    $26.19 - $26.19
    Current price $26.19

    ADT WTS700 Resideo 7 in. Wireless Secondary Color Touchscreen Alarm Replacement Battery

    INFO This is a replacement compatible with a ADT Alarm Battery Volts: 3.8V (3.8 Volts) Capacity: 2800mAh (2.8Ah) Type: Li-Polymer Color: Black ADT ...

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    Original price $26.19 - Original price $26.19
    Original price
    $26.19
    $26.19 - $26.19
    Current price $26.19
  • Original price $22.59 - Original price $22.59
    Original price
    $22.59
    $22.59 - $22.59
    Current price $22.59

    ADT Alphanumeric Keypad Alarm Replacement Battery

    INFO This is a replacement compatible with a ADT Alarm Battery Volts: 7.2V (7.2 Volts) Capacity: 700mAh (0.7Ah) Type: Ni-MH Color: Green ADT Alphan...

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    Original price $22.59 - Original price $22.59
    Original price
    $22.59
    $22.59 - $22.59
    Current price $22.59
  • Original price $51.89 - Original price $51.89
    Original price
    $51.89
    $51.89 - $51.89
    Current price $51.89

    ADT SCW9057G-433,ADT Impassa wireless alarm systems Alarm Replacement Battery

    INFO This is a replacement compatible with a ADT Alarm Battery Volts: 7.2V (7.2 Volts) Capacity: 3600mAh (3.6Ah) Type: Ni-MH Color: Green ADT SCW90...

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    Original price $51.89 - Original price $51.89
    Original price
    $51.89
    $51.89 - $51.89
    Current price $51.89
  • Original price $33.49 - Original price $33.49
    Original price
    $33.49
    $33.49 - $33.49
    Current price $33.49

    ADT Panel SmartThings Alarm Replacement Battery

    INFO This is a replacement compatible with a ADT Alarm Battery Volts: 3.7V (3.7 Volts) Capacity: 3800mAh (3.8Ah) Type: Li-Polymer Color: Black ADT ...

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    Original price $33.49 - Original price $33.49
    Original price
    $33.49
    $33.49 - $33.49
    Current price $33.49
  • Original price $58.09 - Original price $58.09
    Original price
    $58.09
    $58.09 - $58.09
    Current price $58.09

    ADT Impassa wireless alarm systems Alarm Replacement Battery

    INFO This is a replacement compatible with a ADT Alarm Battery Volts: 7.2V (7.2 Volts) Capacity: 3700mAh (3.7Ah) Type: Ni-MH Color: Green ADT Impas...

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    Original price $58.09 - Original price $58.09
    Original price
    $58.09
    $58.09 - $58.09
    Current price $58.09
  • Original price $19.99 - Original price $19.99
    Original price
    $19.99
    $19.99 - $19.99
    Current price $19.99

    AJC Battery Compatible with ADT DSC PC1555MX 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
    Original price $19.99 - Original price $19.99
    Original price
    $19.99
    $19.99 - $19.99
    Current price $19.99
  • Original price $99.29 - Original price $99.29
    Original price
    $99.29
    $99.29 - $99.29
    Current price $99.29

    AJC Battery Compatible with ADT 476630 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...

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    Original price $99.29 - Original price $99.29
    Original price
    $99.29
    $99.29 - $99.29
    Current price $99.29
  • Original price $57.19 - Original price $65.49
    Original price
    $57.19 - $65.49
    $57.19 - $65.49
    Current price $57.19

    AJC Battery Compatible with ADT 476746 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
    Original price $57.19 - Original price $65.49
    Original price
    $57.19 - $65.49
    $57.19 - $65.49
    Current price $57.19
  • Original price $10.29 - Original price $12.19
    Original price
    $10.29 - $12.19
    $10.29 - $12.19
    Current price $10.29

    AJC Battery Compatible with ADT 804315 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 ...

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    Original price $10.29 - Original price $12.19
    Original price
    $10.29 - $12.19
    $10.29 - $12.19
    Current price $10.29
  • Original price $28.59 - Original price $28.59
    Original price
    $28.59
    $28.59 - $28.59
    Current price $28.59

    ADT WALYNX-RCHB-SC,LYNX ALARM SECURITY PANEL,Safewatch QuickConnect Plus,QuickConnect Security System,Pulse TS Keypad Alarm Replacement Battery

    INFO This is a replacement compatible with a ADT Alarm Battery Volts: 7.2V (7.2 Volts) Capacity: 1500mAh (1.5Ah) Type: Ni-MH ADT WALYNX-RCHB-SC,LYN...

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    Original price $28.59 - Original price $28.59
    Original price
    $28.59
    $28.59 - $28.59
    Current price $28.59
  • Original price $65.49 - Original price $65.49
    Original price
    $65.49
    $65.49 - $65.49
    Current price $65.49

    AJC Battery Compatible with ADT 4520615 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
    Original price $65.49 - Original price $65.49
    Original price
    $65.49
    $65.49 - $65.49
    Current price $65.49
  • Original price $57.19 - Original price $65.49
    Original price
    $57.19 - $65.49
    $57.19 - $65.49
    Current price $57.19

    AJC Battery Compatible with ADT 420615 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
    Original price $57.19 - Original price $65.49
    Original price
    $57.19 - $65.49
    $57.19 - $65.49
    Current price $57.19