why my battery life is decrease

[AC Question]

I am facing a problem with my A7 2016 from last 10 days that when i go to sleep i left my battery percentage to 80% but when i wake up in the morning the battery reduces to 65% ... Its so annoying .. and more thing my battery backup is still good.. but its drains my battery automatically even when i didn't use my device.. can anyone tell me what should i do????

 

[anon(238680)]

Welcome to the forums. It sounds like you have something running the background. Have you looked at the battery stats to see what is draining the power? Once you know that you can deal with the drain.

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