An automated external defibrillator (AED) monitoring service receives through a network communication from a remote AED monitoring device that senses conditions at a remote AED. The AED monitoring service receives alert messages from the remote AED monitoring device which alert the AED monitoring service to detection of sensed condition events at the remote AED. The AED monitoring service may send to designated notification recipients a notification message indicating occurrence of the sensed event at the monitored remote AED. The AED monitoring service communicates with the remote AED monitoring device only upon initiation of communications by the remote AED monitoring device, and upon initiation may request data from, or send data or control information to, the remote AED monitoring device. At the end of the communications sequence, the AED monitoring service signals the remote AED monitoring device to place itself into a low-power mode.
