Use Included Power Adapter and Cable- To get the best charging results from our 4 in 1 apple charger station, please use the adapter and cable provided or one with an output power greater than 12V 3.7A. Using a low voltage adapter may cause slow or no charging. The iPad charging port supports 18W max fast charging, but it might charge a bit slower than the original charger. Charging Station for Multiple Devices Apple- The upgraded 4 in 1 wireless charger dock can charge your iPhone, Apple watch, iPad and AirPods at the same time. It is a wireless phone charging station, an Apple watch charger, iPad stand holder, and also an airpods charger station. All-in-one design gives you a clean and tidy desktop. (iPhone, Apple watch, and earphones support wireless charging, iPad charging station belongs to wired charging.)