Share your experience!
HI ,
My xperia SP battery is draining very fast while playing games like Plants vs zombies or the Temple run Oz only recently.Is it because of the applications or the battery itself has an issue.
This is most likely due to you playing games.
Check out this topic for more information about battery time.
http://talk.sonymobile.com/t5/FAQ/Battery-time-and-enhancement-features/m-p/347874#U347874