Wireless charger charge a night will not hurt the mobile phone, now the mobile phone is lithium battery, not the previous lead-acid battery. Shut down The power will be cut off automatically when it is fully charged. Wireless charger refers to the charger that does not need to be connected to the terminal device that needs to be charged without the traditional charging power cord, using the latest wireless charging technology, through the use of the magnetic field generated between the coils, the magic transmission of electrical energy, inductive coupling technology will become a bridge connecting the charging base station and equipment. Wireless charging technology received 20 patents in 2007, multiple devices can use a charging base station, mobile phones, MP3 players, power tools and other power adapters will not exist wired charging.