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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.

  • Technacell EP695 Leads & Fuse 6V 12Ah Alarm Replacement Battery
    $20.99 - $20.99
    $20.99
    $20.99 - $20.99
    $20.99

    AJC Battery Compatible with Technacell EP695 Leads & Fuse 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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    $20.99 - $20.99
    $20.99
    $20.99 - $20.99
    $20.99
  • Technacell EP680 6V 12Ah Alarm Replacement Battery
    $20.99 - $20.99
    $20.99
    $20.99 - $20.99
    $20.99

    AJC Battery Compatible with Technacell EP680 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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    $20.99 - $20.99
    $20.99
    $20.99 - $20.99
    $20.99
  • Technacell EP6120 6V 12Ah Alarm Replacement Battery
    $20.99 - $20.99
    $20.99
    $20.99 - $20.99
    $20.99

    AJC Battery Compatible with Technacell EP6120 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
    $20.99 - $20.99
    $20.99
    $20.99 - $20.99
    $20.99
  • Technacell EP1245 12V 5Ah Alarm Replacement Battery
    $19.69 - $19.69
    $19.69
    $19.69 - $19.69
    $19.69

    AJC Battery Compatible with Technacell EP1245 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
    $19.69 - $19.69
    $19.69
    $19.69 - $19.69
    $19.69
  • Technacell EP1240 12V 5Ah Alarm Replacement Battery
    $19.69 - $19.69
    $19.69
    $19.69 - $19.69
    $19.69

    AJC Battery Compatible with Technacell EP1240 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
    $19.69 - $19.69
    $19.69
    $19.69 - $19.69
    $19.69
  • Technacell EP1240 12V 4.5Ah Alarm Replacement Battery
    $18.59 - $19.69
    $18.59 - $19.69
    $18.59 - $19.69
    $18.59

    AJC Battery Compatible with Technacell EP1240 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
    $18.59 - $19.69
    $18.59 - $19.69
    $18.59 - $19.69
    $18.59
  • Technacell EP12120 12V 12Ah Alarm Replacement Battery
    $45.29 - $50.69
    $45.29 - $50.69
    $45.29 - $50.69
    $45.29

    AJC Battery Compatible with Technacell EP12120 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
    $45.29 - $50.69
    $45.29 - $50.69
    $45.29 - $50.69
    $45.29
  • Technacell 12580 6V 12Ah Alarm Replacement Battery
    $20.99 - $20.99
    $20.99
    $20.99 - $20.99
    $20.99

    AJC Battery Compatible with Technacell 12580 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
    $20.99 - $20.99
    $20.99
    $20.99 - $20.99
    $20.99
  • Sure-Lites SL26117 6V 4.5Ah Alarm Replacement Battery
    $8.89 - $9.99
    $8.89 - $9.99
    $8.89 - $9.99
    $8.89

    AJC Battery Compatible with Sure-Lites SL26117 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
    $8.89 - $9.99
    $8.89 - $9.99
    $8.89 - $9.99
    $8.89
  • Sure-Lites LM1 6V 4.5Ah Alarm Replacement Battery
    $8.89 - $9.99
    $8.89 - $9.99
    $8.89 - $9.99
    $8.89

    AJC Battery Compatible with Sure-Lites LM1 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
    $8.89 - $9.99
    $8.89 - $9.99
    $8.89 - $9.99
    $8.89
  • Sure-Lites 2678 6V 4.5Ah Alarm Replacement Battery
    $8.89 - $9.99
    $8.89 - $9.99
    $8.89 - $9.99
    $8.89

    AJC Battery Compatible with Sure-Lites 2678 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
    $8.89 - $9.99
    $8.89 - $9.99
    $8.89 - $9.99
    $8.89
  • Sure-Lites 26-50 6V 12Ah Alarm Replacement Battery
    $20.99 - $20.99
    $20.99
    $20.99 - $20.99
    $20.99

    AJC Battery Compatible with Sure-Lites 26-50 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
    $20.99 - $20.99
    $20.99
    $20.99 - $20.99
    $20.99
  • Sure-Lites 26-10 6V 12Ah Alarm Replacement Battery
    $20.99 - $20.99
    $20.99
    $20.99 - $20.99
    $20.99

    AJC Battery Compatible with Sure-Lites 26-10 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
    $20.99 - $20.99
    $20.99
    $20.99 - $20.99
    $20.99
  • Silent Knight S122 12V 5Ah Alarm Replacement Battery
    $19.69 - $19.69
    $19.69
    $19.69 - $19.69
    $19.69

    AJC Battery Compatible with Silent Knight S122 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
    $19.69 - $19.69
    $19.69
    $19.69 - $19.69
    $19.69
  • Silent Knight S122 12V 4.5Ah Alarm Replacement Battery
    $18.59 - $19.69
    $18.59 - $19.69
    $18.59 - $19.69
    $18.59

    AJC Battery Compatible with Silent Knight S122 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
    $18.59 - $19.69
    $18.59 - $19.69
    $18.59 - $19.69
    $18.59
  • Silent Knight LCR12V4PF 12V 4.5Ah Alarm Replacement Battery
    $18.59 - $19.69
    $18.59 - $19.69
    $18.59 - $19.69
    $18.59

    AJC Battery Compatible with Silent Knight LCR12V4PF 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
    $18.59 - $19.69
    $18.59 - $19.69
    $18.59 - $19.69
    $18.59
  • Silent Knight LCR12V4PF 12V 5Ah Alarm Replacement Battery
    $19.69 - $19.69
    $19.69
    $19.69 - $19.69
    $19.69

    AJC Battery Compatible with Silent Knight LCR12V4PF 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
    $19.69 - $19.69
    $19.69
    $19.69 - $19.69
    $19.69
  • Silent Knight 5207 6V 4.5Ah Alarm Replacement Battery
    $8.89 - $9.99
    $8.89 - $9.99
    $8.89 - $9.99
    $8.89

    AJC Battery Compatible with Silent Knight 5207 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
    $8.89 - $9.99
    $8.89 - $9.99
    $8.89 - $9.99
    $8.89
  • Silent Knight 5204 12V 12Ah Alarm Replacement Battery
    $45.29 - $50.69
    $45.29 - $50.69
    $45.29 - $50.69
    $45.29

    AJC Battery Compatible with Silent Knight 5204 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
    $45.29 - $50.69
    $45.29 - $50.69
    $45.29 - $50.69
    $45.29
  • Silent Knight 5107 12V 5Ah Alarm Replacement Battery
    $19.69 - $19.69
    $19.69
    $19.69 - $19.69
    $19.69

    AJC Battery Compatible with Silent Knight 5107 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
    $19.69 - $19.69
    $19.69
    $19.69 - $19.69
    $19.69
  • Silent Knight 5104B 12V 8Ah Alarm Replacement Battery
    $25.49 - $25.49
    $25.49
    $25.49 - $25.49
    $25.49

    AJC Battery Compatible with Silent Knight 5104B 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...

    View full details
    $25.49 - $25.49
    $25.49
    $25.49 - $25.49
    $25.49
  • SES TEC 2 THF16 12V 8Ah Alarm Replacement Battery
    $25.49 - $25.49
    $25.49
    $25.49 - $25.49
    $25.49

    AJC Battery Compatible with SES TEC 2 THF16 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...

    View full details
    $25.49 - $25.49
    $25.49
    $25.49 - $25.49
    $25.49
  • Securitron SP1 12V 5Ah Alarm Replacement Battery
    $19.69 - $19.69
    $19.69
    $19.69 - $19.69
    $19.69

    AJC Battery Compatible with Securitron SP1 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
    $19.69 - $19.69
    $19.69
    $19.69 - $19.69
    $19.69
  • Securitron SP1 12V 4.5Ah Alarm Replacement Battery
    $18.59 - $19.69
    $18.59 - $19.69
    $18.59 - $19.69
    $18.59

    AJC Battery Compatible with Securitron SP1 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
    $18.59 - $19.69
    $18.59 - $19.69
    $18.59 - $19.69
    $18.59