Many of the latest smartphones and tablets come with support for Qi wireless charging. which means technology trends are moving toward a completely wireless and mobile world.
Induction chargers use an induction coil to create an alternating electromagnetic field from within a charging base , and a second induction coil in the portable device takes power from the electromagnetic field and converts it back into electric current to charge the battery. The two induction coils in proximity combine to form an electrical transformer.
Wireless charging, also known as inductive charging, is a convenient and fuss-free way to power up your smartphone. Wireless chargers emit an alternating current via a transmitter coil, which then induces a voltage in the receiver coil found in the device. Qi (pronounced “chee”) wireless charging pads are capable of charging smartphones, tablets, Bluetooth® headsets, cameras and portable power packs. Note: You do need one of these pads for wireless charging; a smartphone that says it has wireless charging capability will not charge itself. At least, not yet anyway. But wireless charging is simple: Just plug in the charging pad and place your device on it. That’s it!
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