Mar 6, 2025 · Changing the battery in your motion detector is quick and easy. Once you have your replacement battery/batteries ready to go, you can follow these videos and step-by-step instructions.

Learn how to easily change the battery in your ADT Motion Sensor. Always exercise caution when interacting with your battery. For more help visit http://www.MyADT.com/help.

Find the image of your motion detector below to view instructions on how to complete your battery replacement. Once you've replaced the batteries, the error on your panel should clear within one hour.

Jul 27, 2023 · In this post on how to replace motion sensor battery, we’ll cover all of the details you need to know about replacing a motion sensor battery including the materials and tools needed and step …

Press on the round button on the top of the Motion Sensor while pulling the sensor away from the rear cover to access the battery. Replace the CR123A battery on the inside of the sensor. After replacing …

Aug 20, 2025 · If you have received a Motion Sensor Low Battery notification on your Alarm Panel, you will need to replace the battery promptly to ensure the device continues to function properly. …

Dec 22, 2025 · Ensure your motion sensors never fail. Get the comprehensive steps for safe battery identification, replacement, and system integrity checks.

If your sensor has a screw at the bottom securing it to the mounting plate, you have the PIR1 model and you can find the instructions on how to change the batteries here.

Changing the battery in your motion detector is quick and easy. Once you have your replacement battery/batteries ready to go, you can follow these videos and step-by-step instructions.

The Motion Sensor takes one (1) CR-123A Lithium 3V battery and has a life expectancy of up to 5 years depending on placement and usage. To change your Motion Sensor battery, slide the sensor up and …