To get a new battery for your ADT glass break sensor, identify your sensor model to determine if it requires a 3 V CR123A or a coin-cell battery. You can purchase these at most local hardware or electronics stores (like Home Depot, Best Buy), MyADT, or call ADT support at 1-800-238-2727.
To change the battery in a glass break sensor, first disarm your security system and put it in Test Mode to avoid triggering false alarms. Depending on your specific model, open the sensor using one of the following methods:
Order Summary
When you order on MyADT, your QSP provides one free system battery per year. Additional system batteries cost $29.99.
ADT sensor batteries typically last between 2 to 5 years, depending on usage, the specific type of sensor, and environmental factors like temperature. High-traffic sensors (like frequently opened doors) will drain faster than sensors in low-traffic areas.
ADT Smart Home Security- Sensor List
To order from MyADT.com:
If so, the device will run on its backup battery for up to 24 hours, and you will get a low battery alert as it is depleted. If AC power is not restored before the battery dies, the device will power down. Once the power comes back on, the device will turn on, and the backup battery will begin to charge.
It runs on a long-life battery that lasts up to five years. You'll get a notification when it's time to replace it.
To reset a glass break sensor after a false alarm or a "tamper" warning, disarm your security system, remove the sensor from its wall bracket to trigger and reset the internal tamper switch, and place your system's zone back into ready mode.
If the sensor does not come back online after changing the battery, it's possible that your sensor has been offline for too long. The best step would be to remove the sensor from the SimpliSafe® Mobile App and then add it back to your system.
Disarming your security system and placing it in "Test Mode" prevents false alarms. Twist the sensor counterclockwise to remove it from its wall/ceiling plate, open the casing, replace the lithium batteries (typically CR123A), and remount the device.
If you have basic DIY skills, changing the battery in your burglar alarm is relatively straightforward. To change your home alarm battery, follow these steps: Open panel: first remove the cover of your main alarm panel by unscrewing the screws holding the front of the panel on. The alarm will then sound.
Yes, ADT will send a technician out to change your security system battery if you prefer not to do it yourself. However, they may charge a service fee, and most ADT sensors and panel batteries can be easily changed yourself to save time.
To temporarily silence your ADT low battery alarm, enter your [security code] + [OFF] or just press [#] on your keypad. For touchscreen panels (like ADT Command), tap [Disarm] and enter your security code.
An ADT panel battery replacement costs between $𝟏𝟓 and $𝟒𝟎 if you purchase the battery and do it yourself. If you have an ADT technician come to your home to install it, the total cost can be $𝟒𝟎 to $𝟏𝟓𝟎+ depending on service fees.
The location of your backup battery depends on your specific ADT system:
Automated Phone Support:
All ADT customers can also make a payment by phone, without waiting for an agent, through ADT's Automated Phone Support. Call our customer service number (800) ADT-ASAP, or (800) 238-2727.
To completely remove an ADT glass break sensor from your wall or ceiling, put your system in ADT Test Mode to prevent false alarms, twist the detector counterclockwise to remove it from the backplate, unscrew the backplate from the wall, and contact ADT support to delete the zone.
The Glassbreak Sensor takes a single CR-123A Lithium 3V battery and has a life expectancy of up to 3 years depending on placement and usage. To change your Glassbreak Sensor battery, slide the sensor up and off its bracket. Then, replace the lithium battery and put the device back in place.