I have an ASUS Zenfone 2 with Android version 5.0. All of a sudden today it started draining the battery rapidly.

  • I have made multiple restarts but it didn't help.
  • I tried to scan the phone with Norton and Kaspersky to identify any possible risks, but got nothing.
  • I uninstalled all latest apps that I installed in previous few days.

Even while it is connected to a power source, it is still not able to increase the battery charge level. I know according to the usage battery consumption can be high but only Wi-Fi is running and I'm not using the phone. And 115% usage is really very high.

(Click image to enlarge)



The first thing I'd look for is one app that's using an extraordinary amount of resources.

Go to settings>apps> [choose an app -- I'd start with Chrome or any other browser that you use]

Then do a "Force Stop" on the suspected app. See if that helps. If there are any apps that you rarely use you can keep them stopped -- so you know they aren't using any battery.

It could be a hardware problem.

Disclaimer: I'm not familiar with your phone but have used 5.0 quite a bit.


Last time I had such a problem, it was not because of how the battery was emptied, but how it was charged.

I bought a new usb cable and everything was fine again :) Don't ask me why though!

  • 1
    Can you explain it a little further. – SarpSTA Dec 9 '15 at 3:46

Try to use a Greenify app to hibernate an aplications: https://play.google.com/store/apps/details?id=com.oasisfeng.greenify&hl=pl

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