Ok, now giving up. In full airplane mode power consumption looks good.
But once I enable even just cell network (no wifi, bt, mobile data or anything else) I start losing charge quickly:
#10: +22m36s726ms to 32 (screen-off, power-save-off, device-idle-on)
#11: +47m23s238ms to 33 (screen-off, power-save-off, device-idle-on)
#12: +47m8s339ms to 34 (screen-off, power-save-off, device-idle-on)
#13: +32m51s609ms to 35 (screen-off, power-save-off, device-idle-on)
#14: +48m6s760ms to 36 (screen-off, power-save-off, device-idle-on)
#15: +31m53s205ms to 37 (screen-off, power-save-off, device-idle-on)
#16: +1h39m59s940ms to 38 (screen-off, power-save-off, device-idle-on)
#17: +59m59s962ms to 39 (screen-off, power-save-off)
#18: +45m0s356ms to 40
With wifi and mobile data enabled power drain is horrible:
#5: +29m59s370ms to 54 (screen-off, power-save-on, device-idle-on)
#6: +30m0s630ms to 55 (screen-off, power-save-on, device-idle-on)
#7: +21m55s263ms to 56 (screen-off, power-save-on, device-idle-on)
#8: +28m4s740ms to 57 (screen-off, power-save-on, device-idle-on)
#9: +24m3s895ms to 58 (screen-off, power-save-on, device-idle-on)
#10: +7m51s443ms to 59 (screen-off, power-save-on, device-idle-on)
#11: +24m8s964ms to 60 (screen-off, power-save-on, device-idle-on)
#12: +13m55s693ms to 61 (screen-off, power-save-on, device-idle-on)
#13: +20m0s2ms to 62 (screen-off, power-save-on, device-idle-on)
#14: +10m0s0ms to 63 (screen-off, power-save-on, device-idle-on)
#15: +16m6s80ms to 64 (screen-off, power-save-on, device-idle-on)
#16: +16m34s702ms to 65 (screen-off, power-save-on, device-idle-on)
#17: +19m19s207ms to 66 (screen-off, power-save-on, device-idle-on)
#18: +18m0s8ms to 67 (screen-off, power-save-on, device-idle-on)
#19: +14m47s425ms to 68 (screen-off, power-save-on, device-idle-on)
#20: +17m26s701ms to 69 (screen-off, power-save-on, device-idle-on)
#21: +17m45s874ms to 70 (screen-off, power-save-on, device-idle-on)
#22: +30m0s3ms to 71 (screen-off, power-save-on, device-idle-on)
I also made a small utility that averages and logs 'current_now' file (power consumption value updated every second) and... well, its constantly big.