I just got rid of my 6P for an LG V30. I'm never buying another Google phone again. After a Nexus 5, 6P, and Nexus 9 i have to say that Google's devices have great appearance but absolute shit build quality.
The battery on the LG is similar size but lasts at least 5 times as long. And that's after Google swapped the phone once because it kept dying at 50% (a well documented issue).
After heavy use the 6P would usually die by 7pm each day, whereas the V30 is still at 80%.