Battery suddenly useless by Android OS and System.. Any idea on how to fix?

[flaiware]

Hello. My phone has had an amazing battery for months, up to 4+ days (with little screen usage of course), but now I can barely last 30 hours with an equal amount of small screen usage.

In the battery panel I can see that Android OS and Android System is taking up a lot of the battery procentage. Here are two pictures of my latest battery run:
http://i.imgur.com/evHt2qo.png
http://i.imgur.com/9sb0ild.png
The screen time on these was 1hr 26 min.

What I've tried:
* Disabling all sync and location service
* Clean flashed a completely new and different (!) ROM (from PA to Euphoria).
* Uninstalled all the apps I installed the last few months

Still lose my battery like crazy. I also tried to disable wake-ups and keep-awakes from google play services but that caused FC and I still think the battery got drained.

Anything else I can try?

 

[mosespl]

My advice is to install wakelock detector and better battery stats and investigate whole day it should help you to find the root cause of keeping your phone awake constantly maybe it's related to kernel or some app that you use or maybe fast dormancy or something else. There is a lot of crazy **** that could cause such a drain you can also install xposed and amplify to reduce amount of wakelocks but the best thing is to install wakelock detector and better battery stats and post here logs or screenshot from this apps. Cheers

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