Does using a higher video bitrate drastically reduce battery life because i have almost double the 750kbps that apple guarantees 3 hours playback with, my full movies no matter how long are always an output of about 1.5 gigs and then music videos are about 1mbps, i do this because it still looks great on the video out and when i travel i play my movies from my itunes. I have yet had time to run an actual battery test with video so i would like to know if you guys knew this, and by drastically i mean like cut the battery time in half or take off anywhere from a half hour to an hour. 10 to 15 min isnt drastic. PLEASE ANSWER IF YOU HAVE ANY INSIGHT!
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