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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 $19.99 - Original price $19.99
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    Current price $19.99

    AJC Battery Compatible with Digital Security Power864 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
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    $19.99
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    Current price $19.99

    AJC Battery Compatible with Ademco 12V5AH 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
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    Current price $19.99

    AJC Battery Compatible with Digital Security Power864 Option 1 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
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    Current price $19.99

    AJC Battery Compatible with GE Caddx NetworX NX-8E 12v 5ah 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
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    Current price $19.99
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    Current price $19.99

    AJC Battery Compatible with Napco GEM-P816 12V 5AH 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
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    Current price $19.99
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    AJC Battery Compatible with Ademco Vista 128B 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
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    Current price $19.99
  • Original price $99.29 - Original price $99.29
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    Current price $99.29

    AJC Battery Compatible with Simplex 112-134 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
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    Current price $99.29
  • Original price $191.89 - Original price $191.89
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    Current price $191.89

    AJC Battery Compatible with Simplex 2081-9296 12V 55Ah Alarm Battery

    Out of 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 $191.89 - Original price $191.89
    Original price
    $191.89
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    Current price $191.89
    Sold out
  • Original price $99.29 - Original price $99.29
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    Current price $99.29

    AJC Battery Compatible with Simplex 2081-9287 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 $15.39 - Original price $15.39
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    Current price $15.39

    AJC Battery Compatible with Chloride 1000010164 6V 7Ah 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 $15.39 - Original price $15.39
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    $15.39
    $15.39 - $15.39
    Current price $15.39
  • Original price $99.29 - Original price $99.29
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    Current price $99.29

    AJC Battery Compatible with Ademco PWPS12260F 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
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    Current price $99.29
  • Original price $12.19 - Original price $12.19
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    AJC Battery Compatible with Ademco 9092W 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
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    AJC Battery Compatible with Protection One BT104N 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
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  • Original price $10.29 - Original price $12.19
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    AJC Battery Compatible with GS Portolac PE6V4.5 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
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    AJC Battery Compatible with GS Portolac PE6V4 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
    Original price $10.29 - Original price $12.19
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    $10.29 - $12.19
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    AJC Battery Compatible with Ademco 2589 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
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    $10.29 - $12.19
    Current price $10.29
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    AJC Battery Compatible with Ademco 25389 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
    Original price $10.29 - Original price $12.19
    Original price
    $10.29 - $12.19
    $10.29 - $12.19
    Current price $10.29
  • Original price $19.99 - Original price $19.99
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    Current price $19.99

    AJC Battery Compatible with Network Security IPSAI600 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
    Original price $19.99 - Original price $19.99
    Original price
    $19.99
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    Current price $19.99
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    AJC Battery Compatible with Chloride 100001078 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
    Original price $19.99 - Original price $19.99
    Original price
    $19.99
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    Current price $19.99
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    Current price $19.99

    AJC Battery Compatible with Simplex 2001-3072 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
    Original price $19.99 - Original price $19.99
    Original price
    $19.99
    $19.99 - $19.99
    Current price $19.99
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    Current price $19.99

    AJC Battery Compatible with Chloride 100A74 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
    Original price $19.99 - Original price $19.99
    Original price
    $19.99
    $19.99 - $19.99
    Current price $19.99
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    Current price $19.99

    AJC Battery Compatible with Chloride D2MF50 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
    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
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    Current price $19.99

    AJC Battery Compatible with Chloride 11A74 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 ...

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    Original price $19.99 - Original price $19.99
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    $19.99
    $19.99 - $19.99
    Current price $19.99
  • Original price $33.49 - Original price $33.49
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    Current price $33.49

    Vesta Composed,GX9ML,Vesta-046,Vesta-047,VESTA-030 RP-29-F1 Alarm Replacement Battery

    INFO This is a replacement compatible with a Vesta Alarm Battery Volts: 7.2V (7.2 Volts) Capacity: 1500mAh (1.5Ah) Type: Ni-MH Color: Green Vesta C...

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    Original price $33.49 - Original price $33.49
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    Current price $33.49