Skip to content
BatteryClerk Prime FAST 1-2 day shipping to most of Canada
BatteryClerk Prime FAST 1-2 day shipping to most of Canada

Alarm Batteries

Ensure your property stays protected, even during a power outage, with BatteryClerk’s reliable backup replacement alarm batteries. Our selection includes high-quality, compatible OEM batteries designed to fit top alarm brands like ADT, Acme, and Ademco, so you can trust your security system to perform when it matters most. Don’t let a dead battery leave you vulnerable—explore our collection today and keep your alarm system running smoothly 24/7!

  • ADT Security Alarm Safewatch Pro 3000 12V 4.5Ah Alarm Replacement Battery
    $18.59 - $19.99
    $18.59 - $19.99
    $18.59 - $19.99
    $18.59

    AJC Battery Compatible with ADT Security Alarm Safewatch Pro 3000 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 - $19.99
    $18.59 - $19.99
    $18.59 - $19.99
    $18.59
  • ADT Security Manager 3000 12V 4.5Ah Alarm Replacement Battery
    $18.59 - $19.99
    $18.59 - $19.99
    $18.59 - $19.99
    $18.59

    AJC Battery Compatible with ADT Security Manager 3000 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 - $19.99
    $18.59 - $19.99
    $18.59 - $19.99
    $18.59
  • Ademco 4110 12V 5Ah Alarm Replacement Battery
    $19.99 - $19.99
    $19.99
    $19.99 - $19.99
    $19.99

    AJC Battery Compatible with Ademco 4110 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
    $19.99 - $19.99
    $19.99
    $19.99 - $19.99
    $19.99
  • Access Lock RBAT4 12V 4.5Ah Alarm Replacement Battery
    $18.59 - $19.99
    $18.59 - $19.99
    $18.59 - $19.99
    $18.59

    AJC Battery Compatible with Access Lock 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 - $19.99
    $18.59 - $19.99
    $18.59 - $19.99
    $18.59
  • Alula Connect+ Control Panel, RE508X, RE524X, RE6100P Alarm Replacement Battery
    $39.89 - $39.89
    $39.89
    $39.89 - $39.89
    $39.89

    Alula Connect+ Control Panel, RE508X, RE524X, RE6100P Alarm Replacement Battery

    INFO This is a replacement compatible with a Alula Alarm Battery Volts: 6V (6 Volts) Capacity: 2500mAh (2.5Ah) Type: Ni-MH Color: Green Alula Conne...

    View full details
    $39.89 - $39.89
    $39.89
    $39.89 - $39.89
    $39.89
  • DSC PowerSeries PK5501 Keypad 12V 7Ah Alarm Replacement Battery
    $23.99 - $32.19
    $23.99 - $32.19
    $23.99 - $32.19
    $23.99

    AJC Battery Compatible with DSC PowerSeries PK5501 Keypad 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
    $23.99 - $32.19
    $23.99 - $32.19
    $23.99 - $32.19
    $23.99
  • BMW 3 Series 5 Series E38 E39 E46 E53 E83 M3 M5 X5 Siren Alarm Alarm Replacement Battery
    $29.89 - $29.89
    $29.89
    $29.89 - $29.89
    $29.89

    BMW 3 Series 5 Series E38 E39 E46 E53 E83 M3 M5 X5 Siren Alarm Alarm Replacement Battery

    INFO This is a replacement compatible with a BMW Alarm Battery Volts: 7.2V (7.2 Volts) Capacity: 230mAh (0.23Ah) Type: Ni-MH Color: Green BMW 3 Ser...

    View full details
    $29.89 - $29.89
    $29.89
    $29.89 - $29.89
    $29.89
  • ADT ADT Impassa wireless alarm sys SCW9057G-433 Alarm Replacement Battery
    $54.39 - $54.39
    $54.39
    $54.39 - $54.39
    $54.39

    ADT ADT Impassa wireless alarm sys SCW9057G-433 Alarm Replacement Battery

    INFO This is a replacement compatible with a ADT Alarm Battery Volts: 7.2V (7.2 Volts) Capacity: 3600mAh (3.6Ah) Type: Ni-MH Color: Green ADT ADT I...

    View full details
    $54.39 - $54.39
    $54.39
    $54.39 - $54.39
    $54.39
  • Solex Alarm SB1240 12V 5Ah Alarm Replacement Battery
    $19.99 - $19.99
    $19.99
    $19.99 - $19.99
    $19.99

    AJC Battery Compatible with Solex Alarm 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
    $19.99 - $19.99
    $19.99
    $19.99 - $19.99
    $19.99
  • Honeywell Home Pro A7 Pro A7 Plus Pro A7 10000mAh Replacement Battery-main
    $39.89 - $39.89
    $39.89
    $39.89 - $39.89
    $39.89

    Honeywell Home Pro A7 Pro A7 Plus Pro A7 Plus C Resideo PROA7C 10000mAh Alarm Replacement Battery

    INFO This is a replacement compatible with a Honeywell Alarm Battery Volts: 3.7V (3.7 Volts) Capacity: 10000mAh (10Ah) Type: Li-ion Honeywell Home ...

    View full details
    $39.89 - $39.89
    $39.89
    $39.89 - $39.89
    $39.89
  • Honeywell Home Pro A7 Pro A7 Plus Pro A7 P 7800mAh Replacement Battery-main
    $27.29 - $27.29
    $27.29
    $27.29 - $27.29
    $27.29

    Honeywell Home Pro A7 Pro A7 Plus Pro A7 Plus C Resideo PROA7C 7800mAh Alarm Replacement Battery

    INFO This is a replacement compatible with a Honeywell Alarm Battery Volts: 3.7V (3.7 Volts) Capacity: 7800mAh (7.8Ah) Type: Li-ion Honeywell Home ...

    View full details
    $27.29 - $27.29
    $27.29
    $27.29 - $27.29
    $27.29
  • ADT Command Secondary Color Touchs Replacement Battery-main
    $27.29 - $27.29
    $27.29
    $27.29 - $27.29
    $27.29

    ADT Command Secondary Color Touchs Alarm Replacement Battery

    INFO This is a replacement compatible with a ADT Alarm Battery Volts: 3.8V (3.8 Volts) Capacity: 2800mAh (2.8Ah) Type: Li-Polymer ADT Command Secon...

    View full details
    $27.29 - $27.29
    $27.29
    $27.29 - $27.29
    $27.29
  • DSC PGX901 PGX911 PowerG PG9911 PowerG PG9911 Sire Replacement Battery-main
    $39.89 - $39.89
    $39.89
    $39.89 - $39.89
    $39.89

    DSC PGX901 PGX911 PowerG PG9911 PowerG PG9911 Siren Alarm Replacement Battery

    INFO This is a replacement compatible with a DSC Alarm Battery Volts: 3.6V (3.6 Volts) Capacity: 14500mAh (14.5Ah) Type: Li-MnO2 Color: Black DSC P...

    View full details
    $39.89 - $39.89
    $39.89
    $39.89 - $39.89
    $39.89
  • UltraTech IM1240 12V 5Ah Alarm Replacement Battery
    $19.99 - $19.99
    $19.99
    $19.99 - $19.99
    $19.99

    AJC Battery Compatible with UltraTech IM1240 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
    $19.99 - $19.99
    $19.99
    $19.99 - $19.99
    $19.99
  • Panasonic LC-R064R2P 6V 4.5Ah Alarm Replacement Battery
    $10.29 - $10.29
    $10.29
    $10.29 - $10.29
    $10.29

    AJC Battery Compatible with Panasonic LC-R064R2P 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
    $10.29 - $10.29
    $10.29
    $10.29 - $10.29
    $10.29
  • DSC Alarm Systems Ultratech UT1240 12V 5Ah Alarm Replacement Battery
    $19.99 - $19.99
    $19.99
    $19.99 - $19.99
    $19.99

    AJC Battery Compatible with DSC Alarm Systems Ultratech UT1240 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
    $19.99 - $19.99
    $19.99
    $19.99 - $19.99
    $19.99
  • DSC Alarm Systems PC2500 12V 5Ah Alarm Replacement Battery
    $19.99 - $19.99
    $19.99
    $19.99 - $19.99
    $19.99

    AJC Battery Compatible with DSC Alarm Systems PC2500 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
    $19.99 - $19.99
    $19.99
    $19.99 - $19.99
    $19.99
  • ADI 4180 6V 5Ah Alarm Replacement Battery
    $12.19 - $12.19
    $12.19
    $12.19 - $12.19
    $12.19

    AJC Battery Compatible with ADI 4180 6V 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
    $12.19 - $12.19
    $12.19
    $12.19 - $12.19
    $12.19
  • Universal Power Group UB1245 12V 5Ah Alarm Replacement Battery
    $19.99 - $19.99
    $19.99
    $19.99 - $19.99
    $19.99

    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
    $19.99 - $19.99
    $19.99
    $19.99 - $19.99
    $19.99
  • Universal Power Group UB12180 12V 18Ah Alarm Replacement Battery
    $57.19 - $65.49
    $57.19 - $65.49
    $57.19 - $65.49
    $57.19

    AJC Battery Compatible with Universal Power Group UB12180 12V 18Ah Alarm Battery

    In stock

    $57.19 - $65.49
    $57.19 - $65.49
    $57.19 - $65.49
    $57.19
  • Napco GEM-P816 (12v 7ah) 12V 7Ah Alarm Replacement Battery
    $23.99 - $32.19
    $23.99 - $32.19
    $23.99 - $32.19
    $23.99

    AJC Battery Compatible with Napco GEM-P816 12v 7ah 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
    $23.99 - $32.19
    $23.99 - $32.19
    $23.99 - $32.19
    $23.99
  • Mighty Mule Contractor Gate Opener 12V 8Ah Alarm Replacement Battery
    $29.19 - $29.19
    $29.19
    $29.19 - $29.19
    $29.19

    AJC Battery Compatible with Mighty Mule Contractor Gate Opener 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
    $29.19 - $29.19
    $29.19
    $29.19 - $29.19
    $29.19
  • Linear Security DVS-2400 12V 1.3Ah Alarm Replacement Battery
    $12.49 - $12.49
    $12.49
    $12.49 - $12.49
    $12.49

    AJC Battery Compatible with Linear Security DVS-2400 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
    $12.49 - $12.49
    $12.49
    $12.49 - $12.49
    $12.49
  • Lightalarms LCR6V6.5P1 6V 7Ah Alarm Replacement Battery
    $15.39 - $15.39
    $15.39
    $15.39 - $15.39
    $15.39

    AJC Battery Compatible with Lightalarms LCR6V6.5P1 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
    $15.39 - $15.39
    $15.39
    $15.39 - $15.39
    $15.39