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.