Explanation:
Wireless charging, also known as induction charging, non-contact inductive charging, stems from a Wireless power transmission technology, use the near field induction, inductive coupling, by the power supply equipment (charger) to transfer energy to the utilization device, the device using the received energy of the battery, and at the same time for its own operation.Since energy is transferred inductively between the charger and the electrical device, there is no wire between the two device, so both the charger and the electrical device can achieve no exposed conductive contact.Wireless charging mainly uses electromagnetic induction, magnetic resonance, radio wave technology.