Wireless chargers work by creating a magnetic field that your phone, watch, or other device absorbs to gain energy. When you place a device on a wireless charging pad, a small coil in the device receives and harvests energy from the magnetic field, and uses it to power the battery.
How does Qi wireless charging work?
Qi Wireless Charging uses a resonant inductive coupling between the sender (the charging station) and the reciever (the mobile device). A regular test signal is sent by the sender to check for a capacity or resonance change, telling the Qi enabled charger base that a qi compatible phone is present.
Are charging plates safe?
The short answer is that wireless charging is definitely safe. The electromagnetic field created by a wireless charger is insignificantly little, no more than a home or office WiFi network. Rest assured that you can safely wirelessly charge your mobile device on your night stand and on your office desk.