[Q] Battery drop issue - Nexus 7 Q&A, Help & Troubleshooting

battery was fully charged at night, then in the morning it was found to be at 0% with 95% used on "Screen"..
the screen wasnt even on during the whole night.. what could be the possible cause?
Nexus 7 8GB on Stock 4.1.2 rooted.. (this is not mine, so dont look at my signature.. )
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anyone got any idea? tia..

iamelton said:
anyone got any idea? tia..
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Better battery stats for the wakelocks and cpu spy to see if your device is deep sleeping
Sent from my Nexus 7 using xda premium

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[Q] Unusual Battery Drain

Hey everyone I have a stock Nexus 4 that was previously rooted but went back to normal and something really weird happened. my battery went from like 80% to 8% not sure if there is something wrong or just a glitch but anyone have any ideas or suggestions to correct this issue
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Likely just a glitch. If the phone works fine just chalk it up to that.
Sent from my Nexus 4 using Tapatalk 2
Yeah it's happened to me a couple of times over the years after a full battery cycle it should be fine.
Sent from my Nexus 4 using Tapatalk 2

Sucky battery Life

Anyone know why im getting such poor battery life?
Screen is at 25% brightness.
Powermanagementservice is featured on betterbatterys stats as high %
also:
Also sns_async_ev_wakelock
Sns_periodic_wakelock
2h 43 on phone and 2hrs screen time.
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Sent from my Nexus 4 using Tapatalk 2
You can make phone calls with this thing?
MakoVince said:
You can make phone calls with this thing?
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Yes i know its rare for an XDA member to have people to talk to other than via forums.

Chrome:sandbox killing battery , any thoughts?

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Same!!!! You worked out what it is?
same like wtf is this
These images don't prove any real problem.
To be sure of battery draining, just find and install betterbatterystats application and check partial wakelocks tab.
Upload the ss here for checking.
Unleashed by my Nexus 4
Post battery stats please
Usually power "drain" is due to wakelock
Sent from my Nexus 4 using xda app-developers app
I had this. I assume it is due to some script from a rogue website. I rebooted and it's fine.

What The Hell Is This ? omg.

Hassan rom 4.4.2
+ comadose tweak.
greenify.(screen ful brightness)
Is my battery dead should i change it. or is this software problem ?
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Sent from my GT-I9500 using Tapatalk
What should be wrong? Nothing is wrong. That's the way it works. If you use your phone your battery drains. Perfectly normal.
Lennyz1988 said:
What should be wrong? Nothing is wrong. That's the way it works. If you use your phone your battery drains. Perfectly normal.
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thanks for the info i was using 4-5 hours screen opened at 4.2.2
Sent from my GT-I9500 using Tapatalk
Gaming drains the battery. As you've gamed it's taken a sudden drop. Nothing unusual.

Unknown item showing up in battery usage

Can anyone help me identify this item showing up in my battery usage? It's not something I've ever seen on any of my phones, and it's just a number... I'm not rooted or anything, haven't gotten around to it yet.
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Thanks in advance.
Sent from my Nexus 6P using Tapatalk
I think that means it's an app you used and have recently uninstalled, thus Android doesn't know the name of it.
Ahhh that is a good guess. Thanks, I didn't think of that. I will see if it shows up again on the next battery cycle.
Sent from my Nexus 6P using Tapatalk

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