Ok guys I was wrong. I made some test and find out that just watching HD video, without any other user-level process active, and half brightness battery should last about 5 and an half/6 hours that is indeed very good.
I also tested with wifi on (streaming the video from a network drive at ~3mb) and wifi off (video in local drive) and surprisingly didn't change much in terms of battery usage.
I also tested with wifi on (streaming the video from a network drive at ~3mb) and wifi off (video in local drive) and surprisingly didn't change much in terms of battery usage.
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