Settings:
Auto Power Off: Off, 10 mins, 30 mins, 1 hr, and 2 hrs.
Auto Back Light Off: 10 sec, 30 sec, 1 min, 3 mins, 5 mins, 10 mins, and 30 mins.
Sleep Timer: Off, 10 mins, 30 mins, 1 hr, 2 hrs, 3, hrs, 4 hrs, and 5 hrs.
Also I can test m3u later but I will have to let the battery test to finish. However, there is an easy way to create m3u from the command prompt:
https://support.microsoft.com/en-us/kb/249234
Also, I just noticed that the battery now is at 1/4, so the last leg may go by faster.