Posted 3/20/2015 01:54 (#4465270 - in reply to #4463834) Subject: RE: Samsung Galaxy S5 battery poor
The S5 is about 20 hours in calls, but only 7 hours in 3G or just 5 hours in 4G, so I guess it really depends on your usage.
There's also an ultra efficient mode which gives you an extra 24 hours when there's only 10% left in the battery.
Try to check the autonomy displayed right after you recharge the battery, to see if there is a problem with charging or with the battery.