how many hours of battery does the Tab 2 7.0 get when playing 720p videos?

[signaltwins]

how many hours of battery does the Tab 2 7.0 get when playing 720p videos? (with screen brightness at auto, in average room light)

 

[extraclass]

I replayed a football game while on a trip and it was well over 4 hours long. The game preview and ceremony afterwords kept me bust for most of the trip!

I can say at least 4 hours!