Only on my first full day today, loving the phone so far. I charged it last night, then left it unplugged and face down (so no always on screen). 8 hours later in the morning, it showed battery as 100%. Not sure I believe that
I've had 1.5 hours of screen on time, mainly on CPU hungry games, and i'm at 40% with 6 hours left. When i'm not using the phone the drain is exceptionally small, but games do nail it. I'm sure it needs to bed in a bit, so not worrying yet, but i'm hoping for something a little better than that if i'm honest. It beats my Nexus 5 for battery hands down, but it looks like a heavy day's use will be cutting things quite close.
Google services is using quite a lot - 17%, phone idle 18%, cell standby 8%, screen 27%.