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.

  • Ritar RT1245 12V 5Ah Alarm Replacement Battery
    $19.69 - $19.69
    $19.69
    $19.69 - $19.69
    $19.69

    AJC Battery Compatible with Ritar RT1245 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
  • DSC Alarm Systems DSC BD7-12 12V 7Ah Alarm Replacement Battery
    $20.79 - $29.49
    $20.79 - $29.49
    $20.79 - $29.49
    $20.79

    AJC Battery Compatible with DSC Alarm Systems DSC BD7-12 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
  • DSC Alarm Systems BD7.2-12 12V 7Ah Alarm Replacement Battery
    $20.79 - $29.49
    $20.79 - $29.49
    $20.79 - $29.49
    $20.79

    AJC Battery Compatible with DSC Alarm Systems BD7.2-12 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
  • ADT DSC Power 832 12V 7Ah Alarm Replacement Battery
    $20.79 - $20.79
    $20.79
    $20.79 - $20.79
    $20.79

    AJC Battery Compatible with ADT DSC Power 832 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 - $20.79
    $20.79
    $20.79 - $20.79
    $20.79
  • Altronix AL400ULX 12V 7Ah Alarm Replacement Battery
    $20.79 - $29.49
    $20.79 - $29.49
    $20.79 - $29.49
    $20.79

    AJC Battery Compatible with Altronix AL400ULX 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
  • ADT DSC PC1555MX 12V 5Ah Alarm Replacement Battery
    $19.69 - $19.69
    $19.69
    $19.69 - $19.69
    $19.69

    AJC Battery Compatible with ADT DSC PC1555MX 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
  • Solex Alarm B4-12 12V 5Ah Alarm Replacement Battery
    $19.69 - $19.69
    $19.69
    $19.69 - $19.69
    $19.69

    AJC Battery Compatible with Solex Alarm B4-12 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
  • DSC Alarm Systems SB1240 12V 5Ah Alarm Replacement Battery
    $19.69 - $19.69
    $19.69
    $19.69 - $19.69
    $19.69

    AJC Battery Compatible with DSC Alarm Systems SB1240 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
  • ACME TC1245 12V 5Ah Alarm Replacement Battery
    $19.69 - $19.69
    $19.69
    $19.69 - $19.69
    $19.69

    AJC Battery Compatible with ACME TC1245 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
  • Napco GEMP3200 Panel 12V 5Ah Alarm Replacement Battery
    $19.69 - $19.69
    $19.69
    $19.69 - $19.69
    $19.69

    AJC Battery Compatible with Napco GEMP3200 Panel 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
  • Potter Electric BT-260 12v 26ah 12V 26Ah Alarm Replacement Battery
    $81.39 - $81.39
    $81.39
    $81.39 - $81.39
    $81.39

    AJC Battery Compatible with Potter Electric BT-260 12v 26ah 12V 26Ah 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
    $81.39 - $81.39
    $81.39
    $81.39 - $81.39
    $81.39
  • Altronix AL1012ULACMJ 12V 18Ah Alarm Replacement Battery
    $57.99 - $63.79
    $57.99 - $63.79
    $57.99 - $63.79
    $57.99

    AJC Battery Compatible with Altronix AL1012ULACMJ 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
    $57.99 - $63.79
    $57.99 - $63.79
    $57.99 - $63.79
    $57.99
  • Simplex 75 Fire Alarm Control Panel Battery 12V 18Ah Alarm Replacement Battery
    $57.99 - $63.79
    $57.99 - $63.79
    $57.99 - $63.79
    $57.99

    AJC Battery Compatible with Simplex 75 Fire Alarm Control Panel Battery 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
    $57.99 - $63.79
    $57.99 - $63.79
    $57.99 - $63.79
    $57.99
  • Potter Electric BT-120 12v 12ah 12V 12Ah Alarm Replacement Battery
    $45.29 - $50.69
    $45.29 - $50.69
    $45.29 - $50.69
    $45.29

    AJC Battery Compatible with Potter Electric BT-120 12v 12ah 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
  • Potter Electric BT-120 12V 12Ah Alarm Replacement Battery
    $45.29 - $50.69
    $45.29 - $50.69
    $45.29 - $50.69
    $45.29

    AJC Battery Compatible with Potter Electric BT-120 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
  • ADT 804315 6V 4.5Ah Alarm Replacement Battery
    $8.89 - $9.99
    $8.89 - $9.99
    $8.89 - $9.99
    $8.89

    AJC Battery Compatible with ADT 804315 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
  • GE 6V 1.3Ah Alarm Replacement Battery
    $5.89 - $5.89
    $5.89
    $5.89 - $5.89
    $5.89

    AJC Battery Compatible with GE All 6V 1.3Ah 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
    $5.89 - $5.89
    $5.89
    $5.89 - $5.89
    $5.89
  • Universal Power Group UB12220 12V 22Ah Alarm Replacement Battery
    $63.79 - $63.79
    $63.79
    $63.79 - $63.79
    $63.79

    AJC Battery Compatible with Universal Power Group UB12220 12V 22Ah 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
    $63.79 - $63.79
    $63.79
    $63.79 - $63.79
    $63.79
  • Viking X-9 12V 7Ah Alarm Replacement Battery
    $20.79 - $29.49
    $20.79 - $29.49
    $20.79 - $29.49
    $20.79

    AJC Battery Compatible with Viking X-9 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
  • Universal Power Group UB1245 12V 5Ah Alarm Replacement Battery
    $19.69 - $19.69
    $19.69
    $19.69 - $19.69
    $19.69

    AJC Battery Compatible with Universal Power Group UB1245 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 EP1265 12V 8Ah Alarm Replacement Battery
    $25.49 - $25.49
    $25.49
    $25.49 - $25.49
    $25.49

    AJC Battery Compatible with Technacell EP1265 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
  • Technacell EP1245 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 EP1245 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 6712 12V 8Ah Alarm Replacement Battery
    $25.49 - $25.49
    $25.49
    $25.49 - $25.49
    $25.49

    AJC Battery Compatible with Silent Knight 6712 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
  • Silent Knight 6712 12V 7Ah Alarm Replacement Battery
    $20.79 - $29.49
    $20.79 - $29.49
    $20.79 - $29.49
    $20.79

    AJC Battery Compatible with Silent Knight 6712 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