Interlogix SLX-AD-T3 FireFighter Smoke Detector—Battery Replacement

When it is time to replace the battery in your FireFighter smoke detector, you will see an alert on your system panel, as well as a notification in the Brinks Home™ Mobile App. Follow the instructions below to replace your battery and clear the alert from your system. Batteries can be purchased at your local hardware, mass retailer, or battery store. You may also order it online here or at your preferred online retailer.

Step-by-Step Instructions:

1. Remove the battery cover by pressing the button on the side, then pull open the cover.



2. Remove the current battery.



3. Insert a new CR123-A 3-volt lithium battery.


4. Place the cover back on the sensor, then press the cover to snap it shut.

Check if the low battery status has cleared from your panel or app, or text us at 469-513-8685 for further assistance.