Sometimes I get 2% battery loss on my C5pro 2600mah battery but sometimes randomly I will lose more. I've narrowed it down to a few things like that mediaserver sometimes running in the background. Sometimes it's an app I'll forget to close (farmstory), but other times there are random things that end up on the top of the running apps list according to gsam.
Lately, the only unusual thing is the following :
I'm wondering what this might be, if it's the stock bluetooth app? I don't use bluetooth that often and I always close it. This particular day I used it for 60 mins to stream music to a bluetooth reciever (12 hours earlier) and turned it off, so I don't know how this would still be running in the background.