Extremely poor battery life even after factory reset

[Android Central Question]

After an update about a week ago, my battery drains really fast, I get about 2 hours with moderate use. It says that the Android System is using about 50% of my battery life. I tried a factory reset, and the Android System steadily went from 3% all the way back up to using 50% of the battery life.

The phone is a Sony Xperia E5 if that helps..!

 

[B. Diddy]

Welcome to Android Central! Charge up to 100%, then let it drain to 20-30% with normal usage, without charging in between. Then show us:


1. The main Settings>Battery screen.
2. The fullscreen battery graph screen (which shows Awake time and Cell Signal Strength).
3. The Screen category (to see total Screen On time).
4. The Cell Standby category, if present (to see Time Without Signal).


http://forums.androidcentral.com/ge...ide-how-post-screenshots-android-central.html
You might have to install a 3rd party battery monitor, like GSam Battery Monitor, to get the Cell Signal Strength graph.