In the latest version of Battery Notifier Pro BT we've added a user requested feature to play the sound notification (for either low or full battery notifications) in a loop over and over and over again until the user stops it. This option is disabled by default.
IMPORTANT: Use this new feature with caution, and only if you will be with or near your device when the alarm will go off, because only you can stop the sound. If you are away from your device and you use this feature, it has the potential to severely irritate anyone who is near it when it goes off. Also, if you use it for a low battery alarm, if left unattended, it has the potential to drain the rest of your battery rather quickly.
