Backup batteries hold programming and logs when AC drops. They often do not keep mag locks powered.
Replace the pack on the maker’s schedule. Check whether the Transmitter Solutions panel uses an internal or external battery.
System ConceptsReviewed 2026-08-28
Backup battery
A battery that keeps a panel’s memory or limited function during a power loss.
Also called
backup batterypanel battery backupController backup batterycontroller backup battery
Catalog fields
Backup Battery
Source: Transmitter Solutions product training