Batteries
General Battery FAQs
Frequently asked questions about sensor and system batteries
Silence Low Battery Beeping
Learn how to silence low battery alerts (beeps or chirps) on the most common systems until the battery can be replaced.
Sensor Battery Replacement
Instructions for replacing the batteries in your wireless sensors.
System Battery
Follow these instructions to identify and replace your system battery
Battery Replacement for Systems with Panel Boxes
Instructions for replacing the battery on systems with a panel box.
Order a Battery
You can order a replacement battery for your alarm system and for certain devices directly from ADT.