The most common problem is that the phone and charger components don’t match up. … If you are using a wireless charger that keeps a phone upright, you might set the charging puck too high or too low. The charging coil isn’t correctly balanced in this situation.
Wireless charging Can destroy the battery life of iPhone and Android Phone: Scientific Research.
A University of Warwick scientific study has found that charging your phone by induction could affect the lifetime of its battery. Best answer:
Yes, most modern iPhones support the same level of Qi charging as the Samsung Wireless Charger Duo. You will also be able to charge fairly high, reaching up to 7.5 watts.