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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.

  • Napco GEM-P816 - 12v 4ah 12V 4.5Ah Alarm Replacement Battery
    Sold out
    $21.99 - $21.99
    $21.99
    $21.99 - $21.99
    $21.99

    Napco GEM-P816 - 12v 4ah 12V 4.5Ah Alarm Replacement Battery

    Out of stock

    Info AJC® replacement compatible with Napco GEM-P816 - 12v 4ah Alarm Battery Exact OEM replacement guaranteed to fit easily and precisely Maintenan...

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    $21.99 - $21.99
    $21.99
    $21.99 - $21.99
    $21.99
    Sold out
  • Napco GEM-P816 (12v 7ah) 12V 7Ah Alarm Replacement Battery
    $25.89 - $25.89
    $25.89
    $25.89 - $25.89
    $25.89

    Napco GEM-P816 (12v 7ah) 12V 7Ah Alarm Replacement Battery

    In stock

    Info AJC® replacement compatible with Napco GEM-P816 12v 7ah Alarm Battery Exact OEM replacement guaranteed to fit easily and precisely Maintenanc...

    View full details
    $25.89 - $25.89
    $25.89
    $25.89 - $25.89
    $25.89
  • Napco GEM-P816 (12v 5ah) 12V 5Ah Alarm Replacement Battery
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    $23.19 - $23.19
    $23.19
    $23.19 - $23.19
    $23.19

    Napco GEM-P816 (12v 5ah) 12V 5Ah Alarm Replacement Battery

    Out of stock

    Info AJC® replacement compatible with Napco GEM-P816 12v 5ah 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
  • Napco RBAT4 12V 4.5Ah Alarm Replacement Battery
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    $21.99 - $21.99
    $21.99
    $21.99 - $21.99
    $21.99

    Napco RBAT4 12V 4.5Ah Alarm Replacement Battery

    Out of stock

    Info AJC® replacement compatible with Napco RBAT4 Alarm Battery Exact OEM replacement guaranteed to fit easily and precisely Maintenance free AGM t...

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    $21.99 - $21.99
    $21.99
    $21.99 - $21.99
    $21.99
    Sold out
  • Napco GEM P800 12V 4.5Ah Alarm Replacement Battery
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    $21.99 - $21.99
    $21.99
    $21.99 - $21.99
    $21.99

    Napco GEM P800 12V 4.5Ah Alarm Replacement Battery

    Out of stock

    Info AJC® replacement compatible with Napco GEM P800 Alarm Battery Exact OEM replacement guaranteed to fit easily and precisely Maintenance free AG...

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    $21.99 - $21.99
    $21.99
    $21.99 - $21.99
    $21.99
    Sold out
  • Napco MA1008LKDL 12V 4.5Ah Alarm Replacement Battery
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    $21.99 - $21.99
    $21.99
    $21.99 - $21.99
    $21.99

    Napco MA1008LKDL 12V 4.5Ah Alarm Replacement Battery

    Out of stock

    Info AJC® replacement compatible with Napco MA1008LKDL Alarm Battery Exact OEM replacement guaranteed to fit easily and precisely Maintenance free ...

    View full details
    $21.99 - $21.99
    $21.99
    $21.99 - $21.99
    $21.99
    Sold out
  • Napco Magnum Alert Panel 12V 5Ah Alarm Replacement Battery
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    $23.19 - $23.19
    $23.19
    $23.19 - $23.19
    $23.19

    Napco Magnum Alert Panel 12V 5Ah Alarm Replacement Battery

    Out of stock

    Info AJC® replacement compatible with Napco Magnum Alert Panel Alarm Battery Exact OEM replacement guaranteed to fit easily and precisely Maintenan...

    View full details
    $23.19 - $23.19
    $23.19
    $23.19 - $23.19
    $23.19
    Sold out
  • Napco GEM-P816 12v 7ah 12V 7Ah Alarm Replacement Battery
    $25.89 - $25.89
    $25.89
    $25.89 - $25.89
    $25.89

    Napco GEM-P816 12v 7ah 12V 7Ah Alarm Replacement Battery

    In stock

    Info AJC® replacement compatible with Napco GEM-P816 12v 7ah 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
  • Napco GEM-P816 12V 5AH 12V 5Ah Alarm Replacement Battery
    Sold out
    $23.19 - $23.19
    $23.19
    $23.19 - $23.19
    $23.19

    Napco GEM-P816 12V 5AH 12V 5Ah Alarm Replacement Battery

    Out of stock

    Info AJC® replacement compatible with Napco GEM-P816 12V 5AH Alarm Battery Exact OEM replacement guaranteed to fit easily and precisely Maintenance...

    View full details
    $23.19 - $23.19
    $23.19
    $23.19 - $23.19
    $23.19
    Sold out
  • Napco GEMA1016LKDL 12V 5Ah Alarm Replacement Battery
    Sold out
    $23.19 - $23.19
    $23.19
    $23.19 - $23.19
    $23.19

    Napco GEMA1016LKDL 12V 5Ah Alarm Replacement Battery

    Out of stock

    Info AJC® replacement compatible with Napco GEMA1016LKDL 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
  • Napco GEMA1016E 12V 5Ah Alarm Replacement Battery
    Sold out
    $23.19 - $23.19
    $23.19
    $23.19 - $23.19
    $23.19

    Napco GEMA1016E 12V 5Ah Alarm Replacement Battery

    Out of stock

    Info AJC® replacement compatible with Napco GEMA1016E Alarm Battery Exact OEM replacement guaranteed to fit easily and precisely Maintenance free A...

    View full details
    $23.19 - $23.19
    $23.19
    $23.19 - $23.19
    $23.19
    Sold out
  • Napco GEMA1008LKDL 12V 5Ah Alarm Replacement Battery
    Sold out
    $23.19 - $23.19
    $23.19
    $23.19 - $23.19
    $23.19

    Napco GEMA1008LKDL 12V 5Ah Alarm Replacement Battery

    Out of stock

    Info AJC® replacement compatible with Napco GEMA1008LKDL 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
  • Napco GEMA1008E 12V 5Ah Alarm Replacement Battery
    Sold out
    $23.19 - $23.19
    $23.19
    $23.19 - $23.19
    $23.19

    Napco GEMA1008E 12V 5Ah Alarm Replacement Battery

    Out of stock

    Info AJC® replacement compatible with Napco GEMA1008E Alarm Battery Exact OEM replacement guaranteed to fit easily and precisely Maintenance free A...

    View full details
    $23.19 - $23.19
    $23.19
    $23.19 - $23.19
    $23.19
    Sold out
  • Napco GEMA1000E4LB PAK 12V 5Ah Alarm Replacement Battery
    Sold out
    $23.19 - $23.19
    $23.19
    $23.19 - $23.19
    $23.19

    Napco GEMA1000E4LB PAK 12V 5Ah Alarm Replacement Battery

    Out of stock

    Info AJC® replacement compatible with Napco GEMA1000E4LB PAK Alarm Battery Exact OEM replacement guaranteed to fit easily and precisely Maintenance...

    View full details
    $23.19 - $23.19
    $23.19
    $23.19 - $23.19
    $23.19
    Sold out
  • Napco GEMA1000E4LB 12V 5Ah Alarm Replacement Battery
    Sold out
    $23.19 - $23.19
    $23.19
    $23.19 - $23.19
    $23.19

    Napco GEMA1000E4LB 12V 5Ah Alarm Replacement Battery

    Out of stock

    Info AJC® replacement compatible with Napco GEMA1000E4LB 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
  • Napco GEGEM-P816 12V 5Ah Alarm Replacement Battery
    Sold out
    $23.19 - $23.19
    $23.19
    $23.19 - $23.19
    $23.19

    Napco GEGEM-P816 12V 5Ah Alarm Replacement Battery

    Out of stock

    Info AJC® replacement compatible with Napco GEGEM-P816 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
  • Napco Alarms MA1016LKDL 12V 5Ah Alarm Replacement Battery
    Sold out
    $23.19 - $23.19
    $23.19
    $23.19 - $23.19
    $23.19

    Napco Alarms MA1016LKDL 12V 5Ah Alarm Replacement Battery

    Out of stock

    Info AJC® replacement compatible with Napco Alarms MA1016LKDL 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
  • Napco Alarms MA1016E 12V 5Ah Alarm Replacement Battery
    Sold out
    $23.19 - $23.19
    $23.19
    $23.19 - $23.19
    $23.19

    Napco Alarms MA1016E 12V 5Ah Alarm Replacement Battery

    Out of stock

    Info AJC® replacement compatible with Napco Alarms MA1016E Alarm Battery Exact OEM replacement guaranteed to fit easily and precisely Maintenance f...

    View full details
    $23.19 - $23.19
    $23.19
    $23.19 - $23.19
    $23.19
    Sold out
  • Napco Alarms MA1008LKDL 12V 5Ah Alarm Replacement Battery
    Sold out
    $23.19 - $23.19
    $23.19
    $23.19 - $23.19
    $23.19

    Napco Alarms MA1008LKDL 12V 5Ah Alarm Replacement Battery

    Out of stock

    Info AJC® replacement compatible with Napco Alarms MA1008LKDL 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
  • Napco Alarms MA1008E 12V 5Ah Alarm Replacement Battery
    Sold out
    $23.19 - $23.19
    $23.19
    $23.19 - $23.19
    $23.19

    Napco Alarms MA1008E 12V 5Ah Alarm Replacement Battery

    Out of stock

    Info AJC® replacement compatible with Napco Alarms MA1008E Alarm Battery Exact OEM replacement guaranteed to fit easily and precisely Maintenance f...

    View full details
    $23.19 - $23.19
    $23.19
    $23.19 - $23.19
    $23.19
    Sold out
  • Napco Alarms MA1000E4LB 12V 5Ah Alarm Replacement Battery
    Sold out
    $23.19 - $23.19
    $23.19
    $23.19 - $23.19
    $23.19

    Napco Alarms MA1000E4LB 12V 5Ah Alarm Replacement Battery

    Out of stock

    Info AJC® replacement compatible with Napco Alarms MA1000E4LB 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
  • Napco Alarms MA1000E4LB PAK 12V 5Ah Alarm Replacement Battery
    Sold out
    $23.19 - $23.19
    $23.19
    $23.19 - $23.19
    $23.19

    Napco Alarms MA1000E4LB PAK 12V 5Ah Alarm Replacement Battery

    Out of stock

    Info AJC® replacement compatible with Napco Alarms MA1000E4LB PAK Alarm Battery Exact OEM replacement guaranteed to fit easily and precisely Mainte...

    View full details
    $23.19 - $23.19
    $23.19
    $23.19 - $23.19
    $23.19
    Sold out
  • Napco Alarms GEM-P816 12V 5Ah Alarm Replacement Battery
    Sold out
    $23.19 - $23.19
    $23.19
    $23.19 - $23.19
    $23.19

    Napco Alarms GEM-P816 12V 5Ah Alarm Replacement Battery

    Out of stock

    Info AJC® replacement compatible with Napco Alarms GEM-P816 Alarm Battery Exact OEM replacement guaranteed to fit easily and precisely Maintenance ...

    View full details
    $23.19 - $23.19
    $23.19
    $23.19 - $23.19
    $23.19
    Sold out
  • Napco MA1016LKDL 12V 5Ah Alarm Replacement Battery
    Sold out
    $23.19 - $23.19
    $23.19
    $23.19 - $23.19
    $23.19

    Napco MA1016LKDL 12V 5Ah Alarm Replacement Battery

    Out of stock

    Info AJC® replacement compatible with Napco MA1016LKDL 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