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). This battery can often be purchased at your local hardware, mass retailer or battery store.
What batteries do ADT sensors used?
The motion detector requires one CR123A 3 volt battery. This battery can be purchased at your local hardware, mass retailer or battery store. Some models may require two batteries.
How long do ADT door sensor batteries last?
They usually last around 5-10 years. Make sure the battery that you currently have says CR123A. This is the right replacement battery for your ADT Wireless Door/Window Sensor.
How do I reset my ADT sensor?
If the detector did not pair successfully with the ADT Security Hub, follow these instructions to reset it: Press and hold the Tamper Switch. The red LED will begin to blink quickly, and after a short period of time will stay on. Release the Tamper Switch and after 5 seconds the red LED will begin to blink slowly.
How much does ADT charge to change battery?
Replacement costs for ADT batteries are pretty much the same across the board. For the heart of the system, the battery is a 12V UB1270 that costs roughly $21.99. Keep in mind that you can buy these batteries at most retailers, so costs may vary.