insufficient charging capacity - 500mA are no longer sufficient today

I too was looking for a car charger with retractable cord.
The price is ok - the processing corresponding to the money.
The rolling works very well and the Erten concerns that thin cables could break down unconfirmed itself.

But now the size disadvantage of the charging cable.
It is indicated with an output current of 500mA.
Sounds good in the moment - if you have in mind, that is home loaded with 1A but this is deceptive !!

The 500mA indicated refer to a voltage of 5V.
Considering that an Android phone with Micro USB has a charging voltage of 3.6V to get here nurnoch to 360mA charge power.
My Galaxy S3 has - if I use it as Navi screen at medium brightness - a power consumption of approximately 2 watts.
This corresponds to a power consumption of 550mA.

So it must not be surprised when the phone despite charging cable is always empty.

Producers should rather sell quality products - for that I also like to pay a little more -
so as to drive a cheap scrap metal which then ends up in the garbage.