Over the past few days, both my Android phone and Android tablet are experiencing abnormal battery draining, causing the battery to discharge at a faster rate than before and need to be recharged more often.
I suspect the culprit of this battery draining is the latest updated version of Google Play Services. Google Play Services is an integral part of the Android system and will automatically update itself from time to time when the Internet connection is available. It is used by Google Play Store (f.k.a. Android Market) and some other Google services in the phone.
If you search the Internet with the keywords "Google Play Services draining battery" and set the timeframe to "past week", you will find that a lot of Android device users are experiencing the same problem as well. If you don't set the searching timeframe, you will also find that this problem seems to happen occasionally every few months. However, the impact to my Android devices last time (if ever happened) was not as severe as this round, as I was not aware of such problem before this.
My Samsung Galaxy Note 8 shows that its Google Play Services stay awake and not gone for sleeping most of the time. That could be the problem.
Hope that Google will fix this soon, and update the Google Play Services in our Android devices with the bug fixed version at once.