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

  • AJC Battery Compatible with Altronix AL600ULXPD16 12V 12Ah Alarm Battery
    $41.89 - $46.59
    $41.89 - $46.59
    $41.89 - $46.59
    $41.89

    AJC Battery Compatible with Altronix AL600ULXPD16 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
    $41.89 - $46.59
    $41.89 - $46.59
    $41.89 - $46.59
    $41.89
  • AJC Battery Compatible with Altronix AL600ULXPD16CB 12V 12Ah Alarm Battery
    $41.89 - $46.59
    $41.89 - $46.59
    $41.89 - $46.59
    $41.89

    AJC Battery Compatible with Altronix AL600ULXPD16CB 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
    $41.89 - $46.59
    $41.89 - $46.59
    $41.89 - $46.59
    $41.89
  • AJC Battery Compatible with Altronix AL600ULXD 12V 12Ah Alarm Battery
    $41.89 - $46.59
    $41.89 - $46.59
    $41.89 - $46.59
    $41.89

    AJC Battery Compatible with Altronix AL600ULXD 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
    $41.89 - $46.59
    $41.89 - $46.59
    $41.89 - $46.59
    $41.89
  • AJC Battery Compatible with Altronix AL600ULADA 12V 12Ah Alarm Battery
    $41.89 - $46.59
    $41.89 - $46.59
    $41.89 - $46.59
    $41.89

    AJC Battery Compatible with Altronix AL600ULADA 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
    $41.89 - $46.59
    $41.89 - $46.59
    $41.89 - $46.59
    $41.89
  • AJC Battery Compatible with Altronix AL600ULACM 12V 12Ah Alarm Battery
    $41.89 - $46.59
    $41.89 - $46.59
    $41.89 - $46.59
    $41.89

    AJC Battery Compatible with Altronix AL600ULACM 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
    $41.89 - $46.59
    $41.89 - $46.59
    $41.89 - $46.59
    $41.89
  • AJC Battery Compatible with Altronix AL600ULACMCB 12V 12Ah Alarm Battery
    $41.89 - $46.59
    $41.89 - $46.59
    $41.89 - $46.59
    $41.89

    AJC Battery Compatible with Altronix AL600ULACMCB 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
    $41.89 - $46.59
    $41.89 - $46.59
    $41.89 - $46.59
    $41.89
  • AJC Battery Compatible with Altronix AL600UL3X 12V 12Ah Alarm Battery
    $41.89 - $46.59
    $41.89 - $46.59
    $41.89 - $46.59
    $41.89

    AJC Battery Compatible with Altronix AL600UL3X 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
    $41.89 - $46.59
    $41.89 - $46.59
    $41.89 - $46.59
    $41.89
  • AJC Battery Compatible with Altronix AL400ULXPD16 12V 12Ah Alarm Battery
    $41.89 - $46.59
    $41.89 - $46.59
    $41.89 - $46.59
    $41.89

    AJC Battery Compatible with Altronix AL400ULXPD16 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
    $41.89 - $46.59
    $41.89 - $46.59
    $41.89 - $46.59
    $41.89
  • AJC Battery Compatible with Altronix AL400ULXPD16CB 12V 12Ah Alarm Battery
    $41.89 - $46.59
    $41.89 - $46.59
    $41.89 - $46.59
    $41.89

    AJC Battery Compatible with Altronix AL400ULXPD16CB 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
    $41.89 - $46.59
    $41.89 - $46.59
    $41.89 - $46.59
    $41.89
  • AJC Battery Compatible with Altronix AL400ULADA 12V 12Ah Alarm Battery
    $41.89 - $46.59
    $41.89 - $46.59
    $41.89 - $46.59
    $41.89

    AJC Battery Compatible with Altronix AL400ULADA 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
    $41.89 - $46.59
    $41.89 - $46.59
    $41.89 - $46.59
    $41.89
  • AJC Battery Compatible with Altronix AL400ULACMCB 12V 12Ah Alarm Battery
    $41.89 - $46.59
    $41.89 - $46.59
    $41.89 - $46.59
    $41.89

    AJC Battery Compatible with Altronix AL400ULACMCB 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
    $41.89 - $46.59
    $41.89 - $46.59
    $41.89 - $46.59
    $41.89
  • AJC Battery Compatible with Altronix AL400UL3X 12V 12Ah Alarm Battery
    $41.89 - $46.59
    $41.89 - $46.59
    $41.89 - $46.59
    $41.89

    AJC Battery Compatible with Altronix AL400UL3X 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
    $41.89 - $46.59
    $41.89 - $46.59
    $41.89 - $46.59
    $41.89
  • AJC Battery Compatible with Altronix AL300ULXPD16 12V 12Ah Alarm Battery
    $41.89 - $46.59
    $41.89 - $46.59
    $41.89 - $46.59
    $41.89

    AJC Battery Compatible with Altronix AL300ULXPD16 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
    $41.89 - $46.59
    $41.89 - $46.59
    $41.89 - $46.59
    $41.89
  • AJC Battery Compatible with Ademco 484 12V 1.3Ah Alarm Battery
    $7.99 - $7.99
    $7.99
    $7.99 - $7.99
    $7.99

    AJC Battery Compatible with Ademco 484 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
    $7.99 - $7.99
    $7.99
    $7.99 - $7.99
    $7.99
  • AJC Battery Compatible with Apollo NT-M12ETL 12V 100Ah Alarm Battery
    $211.49 - $211.49
    $211.49
    $211.49 - $211.49
    $211.49

    AJC Battery Compatible with Apollo NT-M12ETL 12V 100Ah 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
    $211.49 - $211.49
    $211.49
    $211.49 - $211.49
    $211.49
  • AJC Battery Compatible with Dual-Lite ML4 6V 7Ah Alarm Battery
    $11.79 - $11.79
    $11.79
    $11.79 - $11.79
    $11.79

    AJC Battery Compatible with Dual-Lite ML4 6V 7Ah 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
    $11.79 - $11.79
    $11.79
    $11.79 - $11.79
    $11.79
  • AJC Battery Compatible with Dual-Lite ML2CH 6V 7Ah Alarm Battery
    $11.79 - $11.79
    $11.79
    $11.79 - $11.79
    $11.79

    AJC Battery Compatible with Dual-Lite ML2CH 6V 7Ah 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
    $11.79 - $11.79
    $11.79
    $11.79 - $11.79
    $11.79
  • AJC Battery Compatible with Napco GERBAT1.2 12V 1.3Ah Alarm Battery
    $7.99 - $7.99
    $7.99
    $7.99 - $7.99
    $7.99

    AJC Battery Compatible with Napco GERBAT1.2 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
    $7.99 - $7.99
    $7.99
    $7.99 - $7.99
    $7.99
  • AJC Battery Compatible with Napco GEMA1000E 12V 1.3Ah Alarm Battery
    $7.99 - $7.99
    $7.99
    $7.99 - $7.99
    $7.99

    AJC Battery Compatible with Napco GEMA1000E 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
    $7.99 - $7.99
    $7.99
    $7.99 - $7.99
    $7.99
  • AJC Battery Compatible with Napco GEMA1000E PAK 12V 1.3Ah Alarm Battery
    $7.99 - $7.99
    $7.99
    $7.99 - $7.99
    $7.99

    AJC Battery Compatible with Napco GEMA1000E 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
    $7.99 - $7.99
    $7.99
    $7.99 - $7.99
    $7.99
  • AJC Battery Compatible with Napco Alarms MA1000E 12V 1.3Ah Alarm Battery
    $7.99 - $7.99
    $7.99
    $7.99 - $7.99
    $7.99

    AJC Battery Compatible with Napco Alarms MA1000E 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
    $7.99 - $7.99
    $7.99
    $7.99 - $7.99
    $7.99
  • AJC Battery Compatible with Napco Alarms MA1000E PAK 12V 1.3Ah Alarm Battery
    $7.99 - $7.99
    $7.99
    $7.99 - $7.99
    $7.99

    AJC Battery Compatible with Napco Alarms 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
    $7.99 - $7.99
    $7.99
    $7.99 - $7.99
    $7.99
  • AJC Battery Compatible with LightAlarms PL3 6V 7Ah Alarm Battery
    $11.79 - $11.79
    $11.79
    $11.79 - $11.79
    $11.79

    AJC Battery Compatible with LightAlarms PL3 6V 7Ah 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
    $11.79 - $11.79
    $11.79
    $11.79 - $11.79
    $11.79
  • AJC Battery Compatible with Napco MA1000E 12V 1.3Ah Alarm Battery
    $7.99 - $7.99
    $7.99
    $7.99 - $7.99
    $7.99

    AJC Battery Compatible with Napco MA1000E 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
    $7.99 - $7.99
    $7.99
    $7.99 - $7.99
    $7.99