It is late and I have forgotten to load the battery of my thirsty Windows Phone. I plug it into the power outlet and THEN it plays this stupid sound, my wife wakes up and I am mad about it. I then have to mute the sound every time I have to load the phone. Of course I sometimes forget to crank up the loudness afterwards so I will not hear the morning alarm. So please make it possible to disable the sound played when the WP7 is connected to the power outlet.