I use the charging station with a Lumia 720 with charging cover. Works great, you have not even put exactly on the device the phone. The charging process is confirmed with a white LED at the station and a signal from the mobile phone.
Certainly, the efficiency is slightly worse than the direct charging cable, but makes at the 2 Ah of energy that can save so a smartphone battery, financially nothing.
The gain in comfort is well worth it, is to create such a part.
