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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

Keep your property protected, even during a power outage with our backup replacement Alarm Batteries. Browse our current selection of compatible OEM batteries design to fit some of the top alarm brands like ADT, Acme and Ademco.

  • Silent Knight ENERJET 12V 5Ah Alarm Replacement Battery
    Sold out
    $23.19 - $23.19
    $23.19
    $23.19 - $23.19
    $23.19

    Silent Knight ENERJET 12V 5Ah Alarm Replacement Battery

    Out of stock

    Info AJC® replacement compatible with Silent Knight ENERJET Alarm Battery Exact OEM replacement guaranteed to fit easily and precisely Maintenance ...

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    $23.19 - $23.19
    $23.19
    $23.19 - $23.19
    $23.19
    Sold out
  • Silent Knight N5HR 12V 5Ah Alarm Replacement Battery
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    $23.19 - $23.19
    $23.19
    $23.19 - $23.19
    $23.19

    Silent Knight N5HR 12V 5Ah Alarm Replacement Battery

    Out of stock

    Info AJC® replacement compatible with Silent Knight N5HR Alarm Battery Exact OEM replacement guaranteed to fit easily and precisely Maintenance fre...

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    $23.19 - $23.19
    $23.19
    $23.19 - $23.19
    $23.19
    Sold out
  • Silent Knight 5395 12V 7Ah Alarm Replacement Battery
    $25.89 - $25.89
    $25.89
    $25.89 - $25.89
    $25.89

    Silent Knight 5395 12V 7Ah Alarm Replacement Battery

    In stock

    Info AJC® replacement compatible with Silent Knight 5395 Alarm Battery Exact OEM replacement guaranteed to fit easily and precisely Maintenance fre...

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    $25.89 - $25.89
    $25.89
    $25.89 - $25.89
    $25.89
  • Silent Knight S121 12V 5Ah Alarm Replacement Battery
    Sold out
    $23.19 - $23.19
    $23.19
    $23.19 - $23.19
    $23.19

    Silent Knight S121 12V 5Ah Alarm Replacement Battery

    Out of stock

    Info AJC® replacement compatible with Silent Knight S121 Alarm Battery Exact OEM replacement guaranteed to fit easily and precisely Maintenance fre...

    View full details
    $23.19 - $23.19
    $23.19
    $23.19 - $23.19
    $23.19
    Sold out
  • Silent Knight N7HR 12V 5Ah Alarm Replacement Battery
    Sold out
    $23.19 - $23.19
    $23.19
    $23.19 - $23.19
    $23.19

    Silent Knight N7HR 12V 5Ah Alarm Replacement Battery

    Out of stock

    Info AJC® replacement compatible with Silent Knight N7HR Alarm Battery Exact OEM replacement guaranteed to fit easily and precisely Maintenance fre...

    View full details
    $23.19 - $23.19
    $23.19
    $23.19 - $23.19
    $23.19
    Sold out
  • Silent Knight 712 12V 5Ah Alarm Replacement Battery
    Sold out
    $23.19 - $23.19
    $23.19
    $23.19 - $23.19
    $23.19

    Silent Knight 712 12V 5Ah Alarm Replacement Battery

    Out of stock

    Info AJC® replacement compatible with Silent Knight 712 Alarm Battery Exact OEM replacement guaranteed to fit easily and precisely Maintenance free...

    View full details
    $23.19 - $23.19
    $23.19
    $23.19 - $23.19
    $23.19
    Sold out
  • Silent Knight 680 12V 5Ah Alarm Replacement Battery
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    $23.19 - $23.19
    $23.19
    $23.19 - $23.19
    $23.19

    Silent Knight 680 12V 5Ah Alarm Replacement Battery

    Out of stock

    Info AJC® replacement compatible with Silent Knight 680 Alarm Battery Exact OEM replacement guaranteed to fit easily and precisely Maintenance free...

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    $23.19 - $23.19
    $23.19
    $23.19 - $23.19
    $23.19
    Sold out
  • Silent Knight 5207 6V 4.5Ah Alarm Replacement Battery
    $12.39 - $12.39
    $12.39
    $12.39 - $12.39
    $12.39

    Silent Knight 5207 6V 4.5Ah Alarm Replacement Battery

    In stock

    Info AJC® replacement compatible with Silent Knight 5207 Alarm Battery Exact OEM replacement guaranteed to fit easily and precisely Maintenance fre...

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    $12.39 - $12.39
    $12.39
    $12.39 - $12.39
    $12.39
  • Silent Knight 5104B 12V 8Ah Alarm Replacement Battery
    $31.19 - $31.19
    $31.19
    $31.19 - $31.19
    $31.19

    Silent Knight 5104B 12V 8Ah Alarm Replacement Battery

    In stock

    Info AJC® replacement compatible with Silent Knight 5104B Alarm Battery Exact OEM replacement guaranteed to fit easily and precisely Maintenance fr...

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    $31.19 - $31.19
    $31.19
    $31.19 - $31.19
    $31.19
  • Silent Knight 6712 12V 8Ah Alarm Replacement Battery
    $31.19 - $31.19
    $31.19
    $31.19 - $31.19
    $31.19

    Silent Knight 6712 12V 8Ah Alarm Replacement Battery

    In stock

    Info AJC® replacement compatible with Silent Knight 6712 Alarm Battery Exact OEM replacement guaranteed to fit easily and precisely Maintenance fre...

    View full details
    $31.19 - $31.19
    $31.19
    $31.19 - $31.19
    $31.19
  • Silent Knight SK-5208 12V 7Ah Alarm Replacement Battery
    $25.89 - $25.89
    $25.89
    $25.89 - $25.89
    $25.89

    Silent Knight SK-5208 12V 7Ah Alarm Replacement Battery

    In stock

    Info AJC® replacement compatible with Silent Knight SK-5208 Alarm Battery Exact OEM replacement guaranteed to fit easily and precisely Maintenance ...

    View full details
    $25.89 - $25.89
    $25.89
    $25.89 - $25.89
    $25.89
  • Silent Knight 6712 12V 7Ah Alarm Replacement Battery
    $25.89 - $25.89
    $25.89
    $25.89 - $25.89
    $25.89

    Silent Knight 6712 12V 7Ah Alarm Replacement Battery

    In stock

    Info AJC® replacement compatible with Silent Knight 6712 Alarm Battery Exact OEM replacement guaranteed to fit easily and precisely Maintenance fre...

    View full details
    $25.89 - $25.89
    $25.89
    $25.89 - $25.89
    $25.89
  • Silent Knight 12V 7Ah Alarm Replacement Battery
    $25.89 - $25.89
    $25.89
    $25.89 - $25.89
    $25.89

    Silent Knight 12V 7Ah Alarm Replacement Battery

    In stock

    Info AJC® replacement compatible with Silent Knight All Alarm Battery Exact OEM replacement guaranteed to fit easily and precisely Maintenance free...

    View full details
    $25.89 - $25.89
    $25.89
    $25.89 - $25.89
    $25.89
  • Silent Knight LCR12V4PF 12V 5Ah Alarm Replacement Battery
    Sold out
    $23.19 - $23.19
    $23.19
    $23.19 - $23.19
    $23.19

    Silent Knight LCR12V4PF 12V 5Ah Alarm Replacement Battery

    Out of stock

    Info AJC® replacement compatible with Silent Knight LCR12V4PF Alarm Battery Exact OEM replacement guaranteed to fit easily and precisely Maintenanc...

    View full details
    $23.19 - $23.19
    $23.19
    $23.19 - $23.19
    $23.19
    Sold out
  • Silent Knight 5107 12V 5Ah Alarm Replacement Battery
    Sold out
    $23.19 - $23.19
    $23.19
    $23.19 - $23.19
    $23.19

    Silent Knight 5107 12V 5Ah Alarm Replacement Battery

    Out of stock

    Info AJC® replacement compatible with Silent Knight 5107 Alarm Battery Exact OEM replacement guaranteed to fit easily and precisely Maintenance fre...

    View full details
    $23.19 - $23.19
    $23.19
    $23.19 - $23.19
    $23.19
    Sold out
  • Silent Knight S122 12V 5Ah Alarm Replacement Battery
    Sold out
    $23.19 - $23.19
    $23.19
    $23.19 - $23.19
    $23.19

    Silent Knight S122 12V 5Ah Alarm Replacement Battery

    Out of stock

    Info AJC® replacement compatible with Silent Knight S122 Alarm Battery Exact OEM replacement guaranteed to fit easily and precisely Maintenance fre...

    View full details
    $23.19 - $23.19
    $23.19
    $23.19 - $23.19
    $23.19
    Sold out
  • Silent Knight LCR12V4PF 12V 4.5Ah Alarm Replacement Battery
    Sold out
    $21.99 - $21.99
    $21.99
    $21.99 - $21.99
    $21.99

    Silent Knight LCR12V4PF 12V 4.5Ah Alarm Replacement Battery

    Out of stock

    Info AJC® replacement compatible with Silent Knight LCR12V4PF Alarm Battery Exact OEM replacement guaranteed to fit easily and precisely Maintenanc...

    View full details
    $21.99 - $21.99
    $21.99
    $21.99 - $21.99
    $21.99
    Sold out
  • Silent Knight S122 12V 4.5Ah Alarm Replacement Battery
    Sold out
    $21.99 - $21.99
    $21.99
    $21.99 - $21.99
    $21.99

    Silent Knight S122 12V 4.5Ah Alarm Replacement Battery

    Out of stock

    Info AJC® replacement compatible with Silent Knight S122 Alarm Battery Exact OEM replacement guaranteed to fit easily and precisely Maintenance fre...

    View full details
    $21.99 - $21.99
    $21.99
    $21.99 - $21.99
    $21.99
    Sold out
  • Silent Knight 5204 12V 12Ah Alarm Replacement Battery
    $42.59 - $42.59
    $42.59
    $42.59 - $42.59
    $42.59

    Silent Knight 5204 12V 12Ah Alarm Replacement Battery

    In stock

    Info AJC® replacement compatible with Silent Knight 5204 Alarm Battery Exact OEM replacement guaranteed to fit easily and precisely Maintenance fre...

    View full details
    $42.59 - $42.59
    $42.59
    $42.59 - $42.59
    $42.59