They usually last around 5 10 years.
Battery for adt door sensor.
When you get these messages you ll want to replace your batteries as soon as possible.
A door and window contact requires 1 cr123 3 volt battery in some systems the door and window contact will be a very slim device and will contain a single cr2032 battery.
Make sure your battery that you currently have says cr123a.
The keypad will display a low battery message typically bat or lo bat and the zone number of the location for the sensor that needs a new battery.
Reference your alarm s manual for the trouble codes and how to decipher them.
We also sell the required 9v cr123a aa aaa cr2 and coin cell batteries needed to power each and every component within your adt alarm system.
Cr123a 3v 123 lithium battery girapow 123a 1600mah batteries with ptc protected for flashlight smoke detector alarm system door sensor 12 count 4 4 out of 5 stars 125 17 99 17.
For the best deals on batteries click here.
Depending on your door or window contacts they ll either require one cr123a 3v battery or two cr2032 batteries.
To determine if any of the sensors are in need of new batteries simply go to your security keypad.
This is the replacement battery for adt wireless door window sensor motions smokes and glassbreaks.