Abstract: A defibrillator storage device including a housing defining an interior storage compartment configured to hold a removable automated external defibrillator therein, a door pivotally attached to the housing, an alarm disposed within the housing, and a tether attached at a first end thereof to an interior wall of the housing and at a second end thereof to the alarm, the tether configured to be routed through a handle of the automated external defibrillator such that removal of the automated external defibrillator from the interior compartment causes the second end of the tether to be pulled from the alarm, thereby triggering the alarm.