Alarm Batteries

Keep your property protected, even during a power outage with our backup replacement Alarm Batteries. Browse our current selection of compatible OEM batteries design to fit some of the top alarm brands like ADT, Acme and Ademco.
Silent Knight 5207 6V 4.5Ah Alarm Replacement Battery-1
Sold out
$15.99
$7.99

Silent Knight 5207 6V 4.5Ah Alarm Replacement Battery

AJC® replacement compatible with Silent Knight 5207 Alarm Battery Exact OEM replacement guaranteed to fit easily and precisely Voltage: 6V (6 Vol...

View full details
$15.99
$7.99
Sold out
Silent Knight 5104B 12V 8Ah Alarm Replacement Battery-1
$48.99
$21.59

Silent Knight 5104B 12V 8Ah Alarm Replacement Battery

AJC® replacement compatible with Silent Knight 5104B Alarm Battery Exact OEM replacement guaranteed to fit easily and precisely Voltage: 12V (12 ...

View full details
$48.99
$21.59
Silent Knight 6712 12V 8Ah Alarm Replacement Battery-1
$48.99
$21.59

Silent Knight 6712 12V 8Ah Alarm Replacement Battery

AJC® replacement compatible with Silent Knight 6712 Alarm Battery Exact OEM replacement guaranteed to fit easily and precisely Voltage: 12V (12 V...

View full details
$48.99
$21.59
Silent Knight SK-5208 12V 7Ah Alarm Replacement Battery-1
$39.99
$18.39

Silent Knight SK-5208 12V 7Ah Alarm Replacement Battery

AJC® replacement compatible with Silent Knight SK-5208 Alarm Battery Exact OEM replacement guaranteed to fit easily and precisely Voltage: 12V (1...

View full details
$39.99
$18.39
Silent Knight 6712 12V 7Ah Alarm Replacement Battery-1
$39.99
$18.39

Silent Knight 6712 12V 7Ah Alarm Replacement Battery

AJC® replacement compatible with Silent Knight 6712 Alarm Battery Exact OEM replacement guaranteed to fit easily and precisely Voltage: 12V (12 V...

View full details
$39.99
$18.39
Silent Knight 12V 7Ah Alarm Replacement Battery-1
$39.99
$18.39

Silent Knight 12V 7Ah Alarm Replacement Battery

AJC® replacement compatible with Silent Knight Silent Knight Alarm Battery Exact OEM replacement guaranteed to fit easily and precisely Voltage: ...

View full details
$39.99
$18.39
Silent Knight LCR12V4PF 12V 5Ah Alarm Replacement Battery-1
Sold out
$34.99
$15.69

Silent Knight LCR12V4PF 12V 5Ah Alarm Replacement Battery

AJC® replacement compatible with Silent Knight LCR12V4PF Alarm Battery Exact OEM replacement guaranteed to fit easily and precisely Voltage: 12V ...

View full details
$34.99
$15.69
Sold out
Silent Knight 5107 12V 5Ah Alarm Replacement Battery-1
Sold out
$34.99
$15.69

Silent Knight 5107 12V 5Ah Alarm Replacement Battery

AJC® replacement compatible with Silent Knight 5107 Alarm Battery Exact OEM replacement guaranteed to fit easily and precisely Voltage: 12V (12 V...

View full details
$34.99
$15.69
Sold out
Silent Knight S122 12V 5Ah Alarm Replacement Battery-1
Sold out
$34.99
$15.69

Silent Knight S122 12V 5Ah Alarm Replacement Battery

AJC® replacement compatible with Silent Knight S122 Alarm Battery Exact OEM replacement guaranteed to fit easily and precisely Voltage: 12V (12 V...

View full details
$34.99
$15.69
Sold out
Silent Knight LCR12V4PF 12V 4.5Ah Alarm Replacement Battery-1
$29.99
$14.49

Silent Knight LCR12V4PF 12V 4.5Ah Alarm Replacement Battery

AJC® replacement compatible with Silent Knight LCR12V4PF Alarm Battery Exact OEM replacement guaranteed to fit easily and precisely Voltage: 12V ...

View full details
$29.99
$14.49
Silent Knight S122 12V 4.5Ah Alarm Replacement Battery-1
$29.99
$14.49

Silent Knight S122 12V 4.5Ah Alarm Replacement Battery

AJC® replacement compatible with Silent Knight S122 Alarm Battery Exact OEM replacement guaranteed to fit easily and precisely Voltage: 12V (12 V...

View full details
$29.99
$14.49
Silent Knight 5204 12V 12Ah Alarm Replacement Battery-1
$68.99
$31.39

Silent Knight 5204 12V 12Ah Alarm Replacement Battery

AJC® replacement compatible with Silent Knight 5204 Alarm Battery Exact OEM replacement guaranteed to fit easily and precisely Voltage: 12V (12 V...

View full details
$68.99
$31.39
Silent Knight PS12120 12V 12Ah Alarm Replacement Battery-1
$68.99
$31.39

Silent Knight PS12120 12V 12Ah Alarm Replacement Battery

AJC® replacement compatible with Silent Knight PS12120 Alarm Battery Exact OEM replacement guaranteed to fit easily and precisely Voltage: 12V (1...

View full details
$68.99
$31.39