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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 $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 DSC Power PC1864 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 $19.99 - Original price $19.99
    Original price
    $19.99
    $19.99 - $19.99
    Current price $19.99

    AJC Battery Compatible with ADT 804302 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 $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 3000 12V 4.5Ah Alarm Battery

    Low 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 3000 12V 4.5Ah Alarm Battery

    Low 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 $19.99 - Original price $19.99
    Original price
    $19.99
    $19.99 - $19.99
    Current price $19.99

    AJC Battery Compatible with Ademco 4110 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 $18.59 - Original price $19.99
    Original price
    $18.59 - $19.99
    $18.59 - $19.99
    Current price $18.59

    AJC Battery Compatible with Access Lock RBAT4 12V 4.5Ah Alarm Battery

    Low 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 $44.59 - Original price $44.59
    Original price
    $44.59
    $44.59 - $44.59
    Current price $44.59

    AP Agri-Alert 800EZK, Agri-Alert 800EZK Alarm System Alarm Replacement Battery

    Information This is a replacement compatible with a AP Alarm Battery Volts: 8.4V (8.4 Volts) Capacity: 2000mAh (2Ah) Type: Ni-MH Color: Green AP Ag...

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    Original price $44.59 - Original price $44.59
    Original price
    $44.59
    $44.59 - $44.59
    Current price $44.59
  • Original price $39.89 - Original price $39.89
    Original price
    $39.89
    $39.89 - $39.89
    Current price $39.89

    Alula Connect+ Control Panel, RE508X, RE524X, RE6100P Alarm Replacement Battery

    Information This is a replacement compatible with a Alula Alarm Battery Volts: 6V (6 Volts) Capacity: 2500mAh (2.5Ah) Type: Ni-MH Color: Green Alul...

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    Original price $39.89 - Original price $39.89
    Original price
    $39.89
    $39.89 - $39.89
    Current price $39.89
  • 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 DSC PowerSeries PK5501 Keypad 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 $29.89 - Original price $29.89
    Original price
    $29.89
    $29.89 - $29.89
    Current price $29.89

    BMW 3 Series 5 Series E38 E39 E46 E53 E83 M3 M5 X5 Siren Alarm Alarm Replacement Battery

    Information This is a replacement compatible with a BMW Alarm Battery Volts: 7.2V (7.2 Volts) Capacity: 230mAh (0.23Ah) Type: Ni-MH Color: Green BM...

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    Original price $29.89 - Original price $29.89
    Original price
    $29.89
    $29.89 - $29.89
    Current price $29.89
  • Original price $54.39 - Original price $54.39
    Original price
    $54.39
    $54.39 - $54.39
    Current price $54.39

    ADT ADT Impassa wireless alarm sys SCW9057G-433 Alarm Replacement Battery

    Information 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 AD...

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    Original price $54.39 - Original price $54.39
    Original price
    $54.39
    $54.39 - $54.39
    Current price $54.39
  • Original price $19.99 - Original price $19.99
    Original price
    $19.99
    $19.99 - $19.99
    Current price $19.99

    AJC Battery Compatible with Solex Alarm SB1240 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 $39.89 - Original price $39.89
    Original price
    $39.89
    $39.89 - $39.89
    Current price $39.89

    Honeywell Home Pro A7 Pro A7 Plus Pro A7 Plus C Resideo PROA7C 10000mAh Alarm Replacement Battery

    Information This is a replacement compatible with a Honeywell Alarm Battery Volts: 3.7V (3.7 Volts) Capacity: 10000mAh (10Ah) Type: Li-ion Honeywel...

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    Original price $39.89 - Original price $39.89
    Original price
    $39.89
    $39.89 - $39.89
    Current price $39.89
  • Original price $27.29 - Original price $27.29
    Original price
    $27.29
    $27.29 - $27.29
    Current price $27.29

    ADT Command Secondary Color Touchs Alarm Replacement Battery

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

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    Original price $27.29 - Original price $27.29
    Original price
    $27.29
    $27.29 - $27.29
    Current price $27.29
  • Original price $19.99 - Original price $19.99
    Original price
    $19.99
    $19.99 - $19.99
    Current price $19.99

    AJC Battery Compatible with UltraTech IM1240 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 $10.29 - Original price $10.29
    Original price
    $10.29
    $10.29 - $10.29
    Current price $10.29

    AJC Battery Compatible with Panasonic LC-R064R2P 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 $10.29
    Original price
    $10.29
    $10.29 - $10.29
    Current price $10.29
  • Original price $19.99 - Original price $19.99
    Original price
    $19.99
    $19.99 - $19.99
    Current price $19.99

    AJC Battery Compatible with DSC Alarm Systems Ultratech UT1240 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 DSC Alarm Systems PC2500 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 $12.19 - Original price $12.19
    Original price
    $12.19
    $12.19 - $12.19
    Current price $12.19

    AJC Battery Compatible with ADI 4180 6V 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 $12.19 - Original price $12.19
    Original price
    $12.19
    $12.19 - $12.19
    Current price $12.19
  • Original price $19.99 - Original price $19.99
    Original price
    $19.99
    $19.99 - $19.99
    Current price $19.99

    AJC Battery Compatible with Universal Power Group UB1245 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 $57.19 - Original price $65.49
    Original price
    $57.19 - $65.49
    $57.19 - $65.49
    Current price $57.19

    AJC Battery Compatible with Universal Power Group UB12180 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 $23.99 - Original price $32.19
    Original price
    $23.99 - $32.19
    $23.99 - $32.19
    Current price $23.99

    AJC Battery Compatible with Napco GEM-P816 12v 7ah 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 $29.19 - Original price $29.19
    Original price
    $29.19
    $29.19 - $29.19
    Current price $29.19

    AJC Battery Compatible with Mighty Mule Contractor Gate Opener 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
    Original price $29.19 - Original price $29.19
    Original price
    $29.19
    $29.19 - $29.19
    Current price $29.19
  • Original price $12.49 - Original price $12.49
    Original price
    $12.49
    $12.49 - $12.49
    Current price $12.49

    AJC Battery Compatible with Linear Security DVS-2400 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
    Original price $12.49 - Original price $12.49
    Original price
    $12.49
    $12.49 - $12.49
    Current price $12.49