How to change a motion sensor battery

How to change the batteries in a motion detector that is connected to a security system

Before changing the batteries or moving any existing security sensors or equipment you will need to put your security system on system test. This can be performed by calling the Tbaytel monitoring station at 807-345-2739 and picking Option 1.

There are several different variations of motion sensors that are compatible with Tbaytel security systems. Each variation will also have different battery requirements. Most Tbaytel motion detectors requires either CR123A batteries or AAA Alkaline batteries.

Motion Sensor Batter Replacement
  1. Remove the unit from its mounting plate. Typically there is a bottom slot that a flathead screwdriver can depress.
  2. Remove the old battery(ies), some connections may be snug if you use a tool to assist be gentle.
  3. Leave the unit battery-less for at minimum 30 seconds for the system to detect the drop off.
  4. Install the new battery(ies). Be sure to pay attention to the polarity as to not damage the unit
  5. Reattach to its mounting base.
  6. Arm and disarm the system to clear the trouble condition on the keypad.

Regardless of the battery you need; you should be able to acquire them from the Tbaytel Retail Store in the Thunder Center; or at most hardware stores.


If you have misplaced your manual for the security system Tbaytel Technical Support can provide you with a PDF copy of the manual via email should you need. They are freely available on the internet from the manufacturer of the system’s website.

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Updated on Tue, 27 Feb 2024 by Sean Otway

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