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[EXTREME BATTERY DRAIN OVERNIGHT] Possible fix and reasons

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By Hnk1, Senior Member on 30th June 2014, 08:56 AM
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Recently I have been facing issues with my nexus overnight battery drain. The battery drain is quite shocking (30-35% overnight). The irony is that using my nexus over two-three hours drains less battery than keeping it on overnight in deep sleep mode.


I'm using 4.4.2 with elementalx kernel(2.12) with 800 undervolt, 1350ghz processor with 400 GPU.
I disable all double tap to wake up, slide to sleep features with all default settings except I use battery life extender at 4100mah (83-85% charge).
With these settings I have extremely good screen time over 6+ hours (I never calculated it but watching two movies of 4 hours only drain 32-38% battery with software decoder using headphones with MX player pro.

The reason for sticking with 4.4.2 is that on 4.4.3/4.4.4 the battery life doesn't reprpduce same for me.Also I face some ghost touches on latter updates.

On dalvik, I experience no problems on 4.4 to 4.4.2 but sometimes ghost touches on art which solve after a restart. In safe mode, there are no ghost touches in art!

Currently I'm on art.


I have greenify, wake lock detecter with Google search frozen(using titanium backup); location turned off, no NFC , no Bluetooth, WiFi only when required, sync on only for contacts, keep, chrome and I am using two gmail accounts.
All other apps like quick office, maps, earth, YouTube, newsletter, currents etc have been disabled! I don't leave WiFi on overnight!

All applications that require root are greenified/frozen until if required which is rare so I refreeze them afterwards.

All applications identified by wake lock detector are greenified! (Not using xposed framework to greenify system apps)

I use "show touches" on my device in dev options to keep track of ghost touches etc!

The irony is, android system and android OS drain about 9+12 % of my overall battery in deep sleep with my screen taking only 27% with over 13 hours time.

This means Google services are draining battery but I can't point out which on!

I guess I'll update my Google play services and update with results! Version 4.4.52 is a battery killer !

Tried version 5

Battery life has considerable improved!


How do you control battery drain overnight, share your thoughts !


-tasker to see if battery life improves
-Google services update
-Organising the guide with snapshots/step by step guide once I find the perfect settings!
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Last edited by Hnk1; 4th July 2014 at 01:13 PM.
30th June 2014, 09:01 AM |#2  
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-Remember if you have touch screen problems like ghost touches/stuck screen or key, this can affect your battery life due to sensor /digitsier to be active even when it's not used!
Last edited by Hnk1; 30th June 2014 at 09:05 AM.
5th July 2014, 12:21 AM |#3  
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Turn off Google location under Google settings.

Sent from my Nexus 7 using XDA Premium 4 mobile app
5th July 2014, 08:39 PM |#4  
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I've fixed this with a complete restore of system.
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