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AJC Battery FAST 1-2 day shipping to most of the USA
AJC Battery Prime FAST 1-2 day shipping to most of the USA

Alarm Batteries

Replacement Alarm Batteries ensure your alarm system continues to operate even during a power outage or when the electricity is cut. Browse our current selection of replacement Alarm Batteries for some of the top alarm brands like ADT, Honeywell and Ademco.

  • Original price $8.19 - Original price $9.99
    Original price
    $8.19 - $9.99
    $8.19 - $9.99
    Current price $8.19

    AJC Battery Compatible with Para Systems 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 $8.19 - Original price $9.99
    Original price
    $8.19 - $9.99
    $8.19 - $9.99
    Current price $8.19
  • Original price $8.19 - Original price $8.19
    Original price
    $8.19
    $8.19 - $8.19
    Current price $8.19

    AJC Battery Compatible with Panasonic LCR064R5P 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 $8.19 - Original price $8.19
    Original price
    $8.19
    $8.19 - $8.19
    Current price $8.19
  • Original price $8.19 - Original price $8.19
    Original price
    $8.19
    $8.19 - $8.19
    Current price $8.19

    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 $8.19 - Original price $8.19
    Original price
    $8.19
    $8.19 - $8.19
    Current price $8.19
  • Original price $18.99 - Original price $27.19
    Original price
    $18.99 - $27.19
    $18.99 - $27.19
    Current price $18.99

    AJC Battery Compatible with Notifier SFP-1024 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 $18.99 - Original price $27.19
    Original price
    $18.99 - $27.19
    $18.99 - $27.19
    Current price $18.99
  • Original price $17.49 - Original price $18.49
    Original price
    $17.49 - $18.49
    $17.49 - $18.49
    Current price $17.49

    AJC Battery Compatible with Notifier 4885 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 $17.49 - Original price $18.49
    Original price
    $17.49 - $18.49
    $17.49 - $18.49
    Current price $17.49
  • Original price $17.49 - Original price $18.49
    Original price
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    $17.49 - $18.49
    Current price $17.49

    AJC Battery Compatible with Notifier PE412 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 $17.49 - Original price $18.49
    Original price
    $17.49 - $18.49
    $17.49 - $18.49
    Current price $17.49
  • Original price $18.99 - Original price $27.19
    Original price
    $18.99 - $27.19
    $18.99 - $27.19
    Current price $18.99

    AJC Battery Compatible with Notifier FireWarden-100-2 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 $18.99 - Original price $27.19
    Original price
    $18.99 - $27.19
    $18.99 - $27.19
    Current price $18.99
  • Original price $18.99 - Original price $27.19
    Original price
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    $18.99 - $27.19
    Current price $18.99

    AJC Battery Compatible with Notifier BAT-1270 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 $18.99 - Original price $27.19
    Original price
    $18.99 - $27.19
    $18.99 - $27.19
    Current price $18.99
  • Original price $18.49 - Original price $18.49
    Original price
    $18.49
    $18.49 - $18.49
    Current price $18.49

    AJC Battery Compatible with Newmox Alarm 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 $18.49 - Original price $18.49
    Original price
    $18.49
    $18.49 - $18.49
    Current price $18.49
  • Original price $17.49 - Original price $18.49
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    $17.49 - $18.49
    Current price $17.49

    AJC Battery Compatible with Newmox Alarm 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 $17.49 - Original price $18.49
    Original price
    $17.49 - $18.49
    $17.49 - $18.49
    Current price $17.49
  • Original price $22.99 - Original price $22.99
    Original price
    $22.99
    $22.99 - $22.99
    Current price $22.99

    AJC Battery Compatible with Napco RBAT6 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 $22.99 - Original price $22.99
    Original price
    $22.99
    $22.99 - $22.99
    Current price $22.99
  • Original price $17.49 - Original price $18.49
    Original price
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    $17.49 - $18.49
    Current price $17.49

    AJC Battery Compatible with Napco RBAT4 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 $17.49 - Original price $18.49
    Original price
    $17.49 - $18.49
    $17.49 - $18.49
    Current price $17.49
  • Original price $17.49 - Original price $18.49
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    Current price $17.49

    AJC Battery Compatible with Napco MA1008LKDL 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 $17.49 - Original price $18.49
    Original price
    $17.49 - $18.49
    $17.49 - $18.49
    Current price $17.49
  • Original price $7.99 - Original price $7.99
    Original price
    $7.99
    $7.99 - $7.99
    Current price $7.99

    AJC Battery Compatible with Napco RBAT1.2 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 $7.99 - Original price $7.99
    Original price
    $7.99
    $7.99 - $7.99
    Current price $7.99
  • Original price $18.49 - Original price $18.49
    Original price
    $18.49
    $18.49 - $18.49
    Current price $18.49

    AJC Battery Compatible with Napco Magnum 1016e 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 $18.49 - Original price $18.49
    Original price
    $18.49
    $18.49 - $18.49
    Current price $18.49
  • Original price $17.49 - Original price $18.49
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    Current price $17.49

    AJC Battery Compatible with Napco MA1008E 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 $17.49 - Original price $18.49
    Original price
    $17.49 - $18.49
    $17.49 - $18.49
    Current price $17.49
  • Original price $7.99 - Original price $7.99
    Original price
    $7.99
    $7.99 - $7.99
    Current price $7.99

    AJC Battery Compatible with Napco MA1000E PAK 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 $7.99 - Original price $7.99
    Original price
    $7.99
    $7.99 - $7.99
    Current price $7.99
  • Original price $17.49 - Original price $18.49
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    $17.49 - $18.49
    Current price $17.49

    AJC Battery Compatible with Napco MA1000E4LB PAK 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 $17.49 - Original price $18.49
    Original price
    $17.49 - $18.49
    $17.49 - $18.49
    Current price $17.49
  • Original price $17.49 - Original price $18.49
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    Current price $17.49

    AJC Battery Compatible with Napco GEM-P816 - 12v 4ah 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 $17.49 - Original price $18.49
    Original price
    $17.49 - $18.49
    $17.49 - $18.49
    Current price $17.49
  • Original price $18.99 - Original price $27.19
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    $18.99 - $27.19
    Current price $18.99

    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 $18.99 - Original price $27.19
    Original price
    $18.99 - $27.19
    $18.99 - $27.19
    Current price $18.99
  • Original price $17.49 - Original price $18.49
    Original price
    $17.49 - $18.49
    $17.49 - $18.49
    Current price $17.49

    AJC Battery Compatible with Napco MA1000E4LB 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 $17.49 - Original price $18.49
    Original price
    $17.49 - $18.49
    $17.49 - $18.49
    Current price $17.49
  • Original price $18.99 - Original price $27.19
    Original price
    $18.99 - $27.19
    $18.99 - $27.19
    Current price $18.99

    AJC Battery Compatible with Napco GEM-P816 - 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 $18.99 - Original price $27.19
    Original price
    $18.99 - $27.19
    $18.99 - $27.19
    Current price $18.99
  • Original price $18.99 - Original price $27.19
    Original price
    $18.99 - $27.19
    $18.99 - $27.19
    Current price $18.99

    AJC Battery Compatible with Napco GEM-P3200 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 $18.99 - Original price $27.19
    Original price
    $18.99 - $27.19
    $18.99 - $27.19
    Current price $18.99
  • Original price $17.49 - Original price $17.49
    Original price
    $17.49
    $17.49 - $17.49
    Current price $17.49

    AJC Battery Compatible with Napco GEM-P816 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 $17.49 - Original price $17.49
    Original price
    $17.49
    $17.49 - $17.49
    Current price $17.49