Skip to content
BatteryClerk Prime FAST 1-2 day shipping to most of the USA
BatteryClerk 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.

  • Potter Electric BT40 12V 4.5Ah Alarm Replacement Battery
    $18.59 - $19.69
    $18.59 - $19.69
    $18.59 - $19.69
    $18.59

    AJC Battery Compatible with Potter Electric BT40 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
  • Platinum BLSW2212 12V 8Ah Alarm Replacement Battery
    $25.49 - $25.49
    $25.49
    $25.49 - $25.49
    $25.49

    AJC Battery Compatible with Platinum BLSW2212 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
  • Notifier 4885 12V 4.5Ah Alarm Replacement Battery
    $18.59 - $19.69
    $18.59 - $19.69
    $18.59 - $19.69
    $18.59

    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...

    View full details
    $18.59 - $19.69
    $18.59 - $19.69
    $18.59 - $19.69
    $18.59
  • Notifier BAT-1270 12V 7Ah Alarm Replacement Battery
    $20.79 - $29.49
    $20.79 - $29.49
    $20.79 - $29.49
    $20.79

    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...

    View full details
    $20.79 - $29.49
    $20.79 - $29.49
    $20.79 - $29.49
    $20.79
  • Napco RBAT6 12V 8Ah Alarm Replacement Battery
    $25.49 - $25.49
    $25.49
    $25.49 - $25.49
    $25.49

    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...

    View full details
    $25.49 - $25.49
    $25.49
    $25.49 - $25.49
    $25.49
  • Napco RBAT4 12V 4.5Ah Alarm Replacement Battery
    $18.59 - $19.69
    $18.59 - $19.69
    $18.59 - $19.69
    $18.59

    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
    $18.59 - $19.69
    $18.59 - $19.69
    $18.59 - $19.69
    $18.59
  • Napco RBAT1.2 12V 1.3Ah Alarm Replacement Battery
    $8.99 - $8.99
    $8.99
    $8.99 - $8.99
    $8.99

    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
    $8.99 - $8.99
    $8.99
    $8.99 - $8.99
    $8.99
  • Napco MA1008LKDL 12V 4.5Ah Alarm Replacement Battery
    $18.59 - $19.69
    $18.59 - $19.69
    $18.59 - $19.69
    $18.59

    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
    $18.59 - $19.69
    $18.59 - $19.69
    $18.59 - $19.69
    $18.59
  • Napco MA1008E 12V 4.5Ah Alarm Replacement Battery
    $18.59 - $19.69
    $18.59 - $19.69
    $18.59 - $19.69
    $18.59

    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
    $18.59 - $19.69
    $18.59 - $19.69
    $18.59 - $19.69
    $18.59
  • Napco MA1000E PAK 12V 1.3Ah Alarm Replacement Battery
    $8.99 - $8.99
    $8.99
    $8.99 - $8.99
    $8.99

    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
    $8.99 - $8.99
    $8.99
    $8.99 - $8.99
    $8.99
  • Napco MA1000E4LB PAK 12V 4.5Ah Alarm Replacement Battery
    $18.59 - $19.69
    $18.59 - $19.69
    $18.59 - $19.69
    $18.59

    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
    $18.59 - $19.69
    $18.59 - $19.69
    $18.59 - $19.69
    $18.59
  • Napco MA1000E4LB 12V 4.5Ah Alarm Replacement Battery
    $18.59 - $19.69
    $18.59 - $19.69
    $18.59 - $19.69
    $18.59

    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
    $18.59 - $19.69
    $18.59 - $19.69
    $18.59 - $19.69
    $18.59
  • Napco GEM-P816 12V 4.5Ah Alarm Replacement Battery
    $18.59 - $18.59
    $18.59
    $18.59 - $18.59
    $18.59

    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
    $18.59 - $18.59
    $18.59
    $18.59 - $18.59
    $18.59
  • Napco Alarms RBAT1.2 12V 1.3Ah Alarm Replacement Battery
    $8.99 - $8.99
    $8.99
    $8.99 - $8.99
    $8.99

    AJC Battery Compatible with Napco Alarms 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
    $8.99 - $8.99
    $8.99
    $8.99 - $8.99
    $8.99
  • Mircom FA-101T 12V 8Ah Alarm Replacement Battery
    $25.49 - $25.49
    $25.49
    $25.49 - $25.49
    $25.49

    AJC Battery Compatible with Mircom FA-101T 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
  • Mircom FA-102T 12V 7Ah Alarm Replacement Battery
    $20.79 - $29.49
    $20.79 - $29.49
    $20.79 - $29.49
    $20.79

    AJC Battery Compatible with Mircom FA-102T 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
    $20.79 - $29.49
    $20.79 - $29.49
    $20.79 - $29.49
    $20.79
  • Mighty Mule GTO PRO SW2000XL 12V 7Ah Alarm Replacement Battery
    $20.79 - $29.49
    $20.79 - $29.49
    $20.79 - $29.49
    $20.79

    AJC Battery Compatible with Mighty Mule GTO PRO SW2000XL 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
    $20.79 - $29.49
    $20.79 - $29.49
    $20.79 - $29.49
    $20.79
  • Mighty Mule GTO PRO SW3000XL 12V 7Ah Alarm Replacement Battery
    $20.79 - $29.49
    $20.79 - $29.49
    $20.79 - $29.49
    $20.79

    AJC Battery Compatible with Mighty Mule GTO PRO SW3000XL 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
    $20.79 - $29.49
    $20.79 - $29.49
    $20.79 - $29.49
    $20.79
  • Mighty Mule GTO PRO SW2002XL 12V 7Ah Alarm Replacement Battery
    $20.79 - $29.49
    $20.79 - $29.49
    $20.79 - $29.49
    $20.79

    AJC Battery Compatible with Mighty Mule GTO PRO SW2002XL 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
    $20.79 - $29.49
    $20.79 - $29.49
    $20.79 - $29.49
    $20.79
  • Mighty Mule FM502 12V 7Ah Alarm Replacement Battery
    $20.79 - $29.49
    $20.79 - $29.49
    $20.79 - $29.49
    $20.79

    AJC Battery Compatible with Mighty Mule FM502 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
    $20.79 - $29.49
    $20.79 - $29.49
    $20.79 - $29.49
    $20.79
  • Locknetics SBP1255 12V 4.5Ah Alarm Replacement Battery
    $18.59 - $19.69
    $18.59 - $19.69
    $18.59 - $19.69
    $18.59

    AJC Battery Compatible with Locknetics SBP1255 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
  • Locknetics SBP1255 12V 5Ah Alarm Replacement Battery
    $19.69 - $19.69
    $19.69
    $19.69 - $19.69
    $19.69

    AJC Battery Compatible with Locknetics SBP1255 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
  • Lithonia XSXPEL 6V 4.5Ah Alarm Replacement Battery
    $8.89 - $9.99
    $8.89 - $9.99
    $8.89 - $9.99
    $8.89

    AJC Battery Compatible with Lithonia XSXPEL 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
  • Lithonia EMBSC0642 6V 4.5Ah Alarm Replacement Battery
    $8.89 - $9.99
    $8.89 - $9.99
    $8.89 - $9.99
    $8.89

    AJC Battery Compatible with Lithonia EMBSC0642 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