Battery Usage Data Not Available + excessive battery draining

[mmaged2287]

Hi there.
I have been having issues with battery draining. I am still on version 6.0 of Marshmallow. At 7pm yesterday, I was at 80 percent. I was using bluetooth headphones at this time, but turned it off to conserve battery life. At 12am, it was at 40 percent battery life. I woke up to 12 percent battery life in the early morning. Although, the battery information was working fine, it now says, "Battery Usage Data Unavailable" when I open the battery settings. Does anybody know what's going on here?? I used to get amazing battery life on this thing.

 

[B. Diddy]

Try wiping the cache partition:

https://www.youtube.com/watch?v=eoAtqhDtfvM

Then show us some battery stats after normal usage. 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).