Brand New iPhone 5S Dieing Quickly?

I just recently exchanged my iPhone 5S for a brand new reason for the exact same battery issue. I've already disabled almost everything and my battery dies every 2-3% its pretty annoying. I only have about 8 apps on my 5S. Is there any fixes? What should i do? I've already reset restored and setup as new iphone.

Battery

I had the same issue. My battery ran out so fast I thought it was an issue- I even contacted Apple.

But its not, the really short battery life is normal.
The iPhone 6 better have a longer battery life!