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Wireless mobile power refers to devices and devices with built-in batteries that obtain power through wireless induction for charging. Wireless charging technology, derived from wireless power transmission technology, its working principle is the use of induction cooker principle, when the current through the coil, it will produce a magnetic field; And the generated magnetic field will form a voltage, after the voltage will produce a current, with the current can be charged, and now this technology has been used in wireless mobile power
It is on the basis of ordinary mobile power to add a wireless charger, wireless charger refers to the use of electromagnetic wave induction principle for charging equipment. At present, there are three mainstream Wireless charging standards :Power Matters Alliance (PMA) standard, Qi standard, Alliance for Wireless Power (A4WP) standard. Personally, the practical use is not much, the phone must be placed on the charger above the contact, at least I can hold the phone dry at the same time.