- May 15, 2009
It looks like it may make it to 12+ hours. What is the longest time for screen display? And does the player support m3u playlist?What do you mean by deep sleep? The sleep function will shut the unit down completely after so many minutes, so it is not like hibernate for a computer. Also, the manual said that the battery from the Jr. is a 1450mAh 3.7V Li-Polymer Battery.