Battery drains up very fast (over a half in less than half an hour) on the PinePhone 1.2 CE
It also gets unusually hot. I know this has something with the need to implement crust, perhaps the PinePhone port of PureOS over at https://pureos.ironrobin.net/git/clover/pinephone could offer some inspiration on what could be done here, as it has a very similar base.