In this article, I show how to change the battery in an ADT window or door sensor.
As most ADT devices use batteries, it's necessary to replace them from time to time to keep everything working and protect your house or office.
The sensors work with a 3V CR123A Lithium battery you can buy online.
The process is straightforward and takes less than 5 minutes.
The time to replace the window/door sensors
The question is, "How do I know when to replace the ADT sensor battery?"
The answer is simple; you can see the indicators on the keypad or in the smartphone App.
Things you need to change the battery
To change the battery in an ADT window or door sensor is necessary to remove its cover, so you need some tools to get the job done.
Here is what you need:
Now that you have everything let's get started.
Put the system on test mode
Before replacing the ADT sensor battery, you need to put the system in test mode.
Here are the steps:
How to change the battery in the ADT sensor
And it's done. Pretty easy, huh?
Make sure to check if the battery polarity is correct when inserting it into place.
After replacing the battery, go to the ADT dashboard to remove the test mode.
I hope this article can help you; please share it with your friends.