Why is my battery life draining so fast all of a sudden?

[AC Question]

I have a sony experia Z1 compact and all of a sudden the battery is lasting less than a day. My work mate has just brought the Z3 and it is also doing the same thing all of a sudden. Any help please!!!

 

[belodion]

What do your battery stats reveal as the main users of charge during the period in question?

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