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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.

  • Lightalarms CE1-5BB 6V 12Ah Alarm Replacement Battery
    $19.99 - $19.99
    $19.99
    $19.99 - $19.99
    $19.99

    AJC Battery Compatible with Lightalarms CE1-5BB 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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    $19.99 - $19.99
    $19.99
    $19.99 - $19.99
    $19.99
  • Lightalarms 8600004 6V 4.5Ah Alarm Replacement Battery
    $8.39 - $9.79
    $8.39 - $9.79
    $8.39 - $9.79
    $8.39

    AJC Battery Compatible with Lightalarms 8600004 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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    $8.39 - $9.79
    $8.39 - $9.79
    $8.39 - $9.79
    $8.39
  • Lightalarms 5E15Bs 6V 4.5Ah Alarm Replacement Battery
    $8.39 - $9.79
    $8.39 - $9.79
    $8.39 - $9.79
    $8.39

    AJC Battery Compatible with Lightalarms 5E15Bs 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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    $8.39 - $9.79
    $8.39 - $9.79
    $8.39 - $9.79
    $8.39
  • Kelvinator Scientific AUDIO ALARM 12V 7Ah Alarm Replacement Battery
    $19.39 - $27.49
    $19.39 - $27.49
    $19.39 - $27.49
    $19.39

    AJC Battery Compatible with Kelvinator Scientific AUDIO ALARM 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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    $19.39 - $27.49
    $19.39 - $27.49
    $19.39 - $27.49
    $19.39
  • Innovonics BAT603 12V 1.3Ah Alarm Replacement Battery
    $6.29 - $6.29
    $6.29
    $6.29 - $6.29
    $6.29

    AJC Battery Compatible with Innovonics BAT603 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...

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    $6.29 - $6.29
    $6.29
    $6.29 - $6.29
    $6.29
  • Innovonics C2020 12V 4.5Ah Alarm Replacement Battery
    $17.39 - $18.49
    $17.39 - $18.49
    $17.39 - $18.49
    $17.39

    AJC Battery Compatible with Innovonics C2020 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
    $17.39 - $18.49
    $17.39 - $18.49
    $17.39 - $18.49
    $17.39
  • Innovonics FA525 12V 1.3Ah Alarm Replacement Battery
    $6.29 - $6.29
    $6.29
    $6.29 - $6.29
    $6.29

    AJC Battery Compatible with Innovonics FA525 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
    $6.29 - $6.29
    $6.29
    $6.29 - $6.29
    $6.29
  • Intelligent IFP-100 12V 18Ah Alarm Replacement Battery
    $53.29 - $59.49
    $53.29 - $59.49
    $53.29 - $59.49
    $53.29

    AJC Battery Compatible with Intelligent IFP-100 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...

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    $53.29 - $59.49
    $53.29 - $59.49
    $53.29 - $59.49
    $53.29
  • Innovonics BAT602 12V 5Ah Alarm Replacement Battery
    $18.49 - $18.49
    $18.49
    $18.49 - $18.49
    $18.49

    AJC Battery Compatible with Innovonics BAT602 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
    $18.49 - $18.49
    $18.49
    $18.49 - $18.49
    $18.49
  • Innovonics Alarm C2020 12V 4.5Ah Alarm Replacement Battery
    $17.39 - $18.49
    $17.39 - $18.49
    $17.39 - $18.49
    $17.39

    AJC Battery Compatible with Innovonics Alarm C2020 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
    $17.39 - $18.49
    $17.39 - $18.49
    $17.39 - $18.49
    $17.39
  • Innovonics BAT602 12V 4.5Ah Alarm Replacement Battery
    $17.39 - $18.49
    $17.39 - $18.49
    $17.39 - $18.49
    $17.39

    AJC Battery Compatible with Innovonics BAT602 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
    $17.39 - $18.49
    $17.39 - $18.49
    $17.39 - $18.49
    $17.39
  • Innovonics Alarm BAT602 12V 4.5Ah Alarm Replacement Battery
    $17.39 - $18.49
    $17.39 - $18.49
    $17.39 - $18.49
    $17.39

    AJC Battery Compatible with Innovonics Alarm BAT602 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
    $17.39 - $18.49
    $17.39 - $18.49
    $17.39 - $18.49
    $17.39
  • Innovonics 12V 7Ah Alarm Replacement Battery
    $19.39 - $27.49
    $19.39 - $27.49
    $19.39 - $27.49
    $19.39

    AJC Battery Compatible with Innovonics All 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
    $19.39 - $27.49
    $19.39 - $27.49
    $19.39 - $27.49
    $19.39
  • Honeywell PE3A12R 12V 3.2Ah Alarm Replacement Battery
    $12.19 - $12.19
    $12.19
    $12.19 - $12.19
    $12.19

    AJC Battery Compatible with Honeywell PE3A12R 12V 3.2Ah 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
    $12.19 - $12.19
    $12.19
    $12.19 - $12.19
    $12.19
  • Honeywell XLS60 12V 18Ah Alarm Replacement Battery
    $53.29 - $59.49
    $53.29 - $59.49
    $53.29 - $59.49
    $53.29

    AJC Battery Compatible with Honeywell XLS60 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
    $53.29 - $59.49
    $53.29 - $59.49
    $53.29 - $59.49
    $53.29
  • Honeywell K9392 6V 4.5Ah Alarm Replacement Battery
    $8.39 - $9.79
    $8.39 - $9.79
    $8.39 - $9.79
    $8.39

    AJC Battery Compatible with Honeywell K9392 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
    $8.39 - $9.79
    $8.39 - $9.79
    $8.39 - $9.79
    $8.39
  • Honeywell HP600ULACM8 12V 12Ah Alarm Replacement Battery
    $42.29 - $47.39
    $42.29 - $47.39
    $42.29 - $47.39
    $42.29

    AJC Battery Compatible with Honeywell HP600ULACM8 12V 12Ah 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
    $42.29 - $47.39
    $42.29 - $47.39
    $42.29 - $47.39
    $42.29
  • Honeywell HP300ULX 12V 12Ah Alarm Replacement Battery
    $42.29 - $47.39
    $42.29 - $47.39
    $42.29 - $47.39
    $42.29

    AJC Battery Compatible with Honeywell HP300ULX 12V 12Ah 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
    $42.29 - $47.39
    $42.29 - $47.39
    $42.29 - $47.39
    $42.29
  • Honeywell AlarmNet 7845i-GSM 12V 5Ah Alarm Replacement Battery
    $18.49 - $18.49
    $18.49
    $18.49 - $18.49
    $18.49

    AJC Battery Compatible with Honeywell AlarmNet 7845i-GSM 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
    $18.49 - $18.49
    $18.49
    $18.49 - $18.49
    $18.49
  • Honeywell 5000 12V 3.2Ah Alarm Replacement Battery
    $12.19 - $12.19
    $12.19
    $12.19 - $12.19
    $12.19

    AJC Battery Compatible with Honeywell 5000 12V 3.2Ah 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
    $12.19 - $12.19
    $12.19
    $12.19 - $12.19
    $12.19
  • Honeywell 7720 Plus 12V 7Ah Alarm Replacement Battery
    $19.39 - $27.49
    $19.39 - $27.49
    $19.39 - $27.49
    $19.39

    AJC Battery Compatible with Honeywell 7720 Plus 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
    $19.39 - $27.49
    $19.39 - $27.49
    $19.39 - $27.49
    $19.39
  • Honeywell 1500 12V 3.2Ah Alarm Replacement Battery
    $12.19 - $12.19
    $12.19
    $12.19 - $12.19
    $12.19

    AJC Battery Compatible with Honeywell 1500 12V 3.2Ah 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
    $12.19 - $12.19
    $12.19
    $12.19 - $12.19
    $12.19
  • GE NetworX NX-6 12V 4.5Ah Alarm Replacement Battery
    $17.39 - $18.49
    $17.39 - $18.49
    $17.39 - $18.49
    $17.39

    AJC Battery Compatible with GE NetworX NX-6 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
    $17.39 - $18.49
    $17.39 - $18.49
    $17.39 - $18.49
    $17.39
  • GE NetworX NX-4 12V 4.5Ah Alarm Replacement Battery
    $17.39 - $18.49
    $17.39 - $18.49
    $17.39 - $18.49
    $17.39

    AJC Battery Compatible with GE NetworX NX-4 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
    $17.39 - $18.49
    $17.39 - $18.49
    $17.39 - $18.49
    $17.39