Note 5: Battery Drains very fast, how can I fix it?

[AC Question]

Note 5: Battery Drains very fast

I recently got my Note 5, I am not happy with its battery performance though.
It drains very quickly, I left my phone a side over night with 86% charge and in the morning it is in 50% in about 8 hrs.
I have not installed many apps, i have Yahoomail, BOfA, Whatsapp. I dont have any Facebook twitter etc.
Earlier i have S4 with same apps but it will drain only 5 to 10% if we left unused overnight.

 

[Cosmic Pie]

Re: Note 5: Battery Drains very fast

Have you tried checking the background processes? The "advanced task killer" app should do the job.