I am connected via an USB port and have the screen constantly on, with the lowest brightness settings - by using the Lux app, that lowers that below the allowed level, making the screen barely visible.
Nevertheless, the phone is discharging fast.
Nexus 5 stock rom, rooted.
Only one process running in the foreground (an official play store app) which I am trying to automate via adb.
This didn't happen with a chinese MTK tablet, which stayed 100% charged all the time.
What can I do to work around this issue?