Why is my battery draining so quickly since I updated to Sierra on my MacBook pro?

[iMore Question]

ever since I updated to Sierra on my Macbook Pro, my battery which used to last 5 to 6 hours now lasts 2 to 2.5 hours. What can I do about this if anything?

 

[Just_Me_D]

Go through each settings and make sure they are set accordingly.