Smartphone Bulgaria posted it's S5 review and battery stats, and it's VERY promising.
Source of these images: http://news.smartphone.bg/review/rev...artfon-pazara/
Talk time on 3G is topping smartphone.bg's charts at 25 hours
Internet browsing (10,5hrs) is a tad behind the efficient iPhone 5S, but FAR ahead even the Note 3
3D gaming is also topping the charts (4,6hrs)
The Galaxy S5 is now smartphone.bg's endurance champion