Wierd numbers Shows 460mA when discharging  shows 460mA with USB 2.0 charge at 500mA and shows 1200mA with both 1A and 2A chargers (3rd party 1 and 2 amp ones and the official 2A.) Galaxy S4 LTE GT-I9505 Kitkat v4.4.2.
April 17 2015