Always on display and battery life

The official version is that it's 1% per hour. I haven't seen any difference between my normal use with or without it.
 
I leave mine on all day and see no difference also it's set to shut off if your phone is unplugged and inactive for a hour....
 
60% battery life left, 1% used by AOD
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Not much of a difference with it on, really. I have it on my s7edge and my battery still lasts me all day and my sister has hers on her Note 7 and has no affect to her battery life so far