Interesting, possibly useful as a daily driver.
Also: link for the best pro comment about linux phones I've read on HN: https://news.ycombinator.com/item?id=26080871
Afternoon to 10pm with light use, so around 8 hours. Would be curious to see how long it last with maps and music going.
[edit] I've been listening to music via Bluetooth on it for past three hours and it's at 75% right now.