Originally Posted by Haesslich
I suspect that's Google Now's fault - and that may be why the XDA Nexus 7 forum has had quite a few threads about battery life. That, and the weird auto-brightness behavior; even at 10%, I find most of these screens adequate for inside use, as long as it's not TOO bright outside (think 500-1500 lux).
I have everything on too (magnetometer, gps, bluetooth, wifi, Near-field comms, etc...). I am sure I could get the battery to last longer if I need to go travelling with it.