Testing continues with conditions changed: - Developer mode off - WiFi off 0:00 18:55 battery 100 %, test has started, USB cable unplugged 0:36 19:31 battery 100 % 0:46 19:41 battery 99 % 1:17 20:12 battery 98 % 2:35 21:30 battery 95 % 4:26 23:21 battery 91 % 9:57 04:52 battery 80 % 15:20 10:15 battery 74 % 15:38 10:33 battery 72 %, 25:11 20:06 battery 53 % 53:34 Projected battery charge level 0 % I don't know if it was disabling of developer mode or WiFi that improved battery consumption so much, but need to test. Next to enable WiFi back ON and continue testing.