Alarm Low Battery Trouble

Alarm Standby BatteryAlarm Low Battery Trouble

Common Problem with an Easy Fix

Have you had your alarm system for more than 3 years? If so, you will probably wake up one night to your keypad beeping because of a low battery.There are typically several possible sources of the low battery trouble; 1) main control panel battery, wireless sensor batteries, keyfob arm/disarm remotes.

Main Control Panel Battery – The main battery is typically a sealed lead-acid battery located in the main control panel box.  Useful lifespan typically range 3-5 years.  Most alarm systems will indicate trouble of the battery when it either a) is drained due to a loss of power, or b) the battery gets too old and can no longer hold its charge.  Most alarm companies will typically allow the customer to change their own battery.  It’s very easy to do.  Call your alarm company for detailed instructions on your particular alarm system.  Word of caution:  If your alarm company says that they have to do it, or refuse to provide you with access (key to the box), are probably doing this to make additional revenue.  Find an alarm company that will at least give you the option to change batteries yourself.

Wireless Sensor Batteries – If your alarm system is ‘wireless’ then the wireless sensors (doors, motions, smokes, etc) have batteries in them.  Most devices will use commonly available batteries (AA, AAA, CR2, CR123, etc), although some brands of equipment use other, less popular types of batteries.  Useful lifespan typically range 2-5 years.  Because of the possibility of a significant number of batteries, you will not only want to learn how to change these yourself, but I recommend making a plan of changing them all when they start going bad.  It is way to frustrating to repeatedly get woken up at night with sensor low battery troubles.

Keyfob arm/disarm Remotes – Similar to the wireless sensors, the keyfob remotes operate on battery.  These may be AA or AAA, or sometimes the ‘coin’ style of calculator or watch batteries.  Again useful lifespan is approximately 2-5 years.  This is also a DIY replacement.

Mark Plischke
Aloha Alarm LLC


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