many reportedly deliver 2-2,1A but loading takes forever, or adapter interfere with radio reception.
which is the original Samsung charger cable is not the case. I could not fault the radio receiver to determine is the phone (Samsung Galaxy S4) significantly load faster than with a PNY, Logilink or i-tec (each alleged 2.1A).
as an an example:
about 1 hour drive, Logilink Adapter: loads of 38 to 42% (+ 4%)
about 1 hour drive, Samsung Adapter: loads of 28 to 46% (+ 18%)
(About an hour as it may be that a ride was 5-8 min longer)
