In the latest smartphones there is an appearance of new feature called as wireless charging. It was upgraded from Google’s Nexus 4 and Samsung’s Galaxy S4 to Nokia’s Lumia 920. Adding of wireless charging capabilities to Apple’s iPhone 5 is also available. Magnetic induction is used in wireless chargers. This enables you to be able to place a device on a surface and have it charge automatically and a cable fiddling is not required.
Let us see how a wireless charger works:
Since the wireless chargers allows you to charge your smartphone without fiddling with USB plugs, so these chargers are immediately appearing. You need to just place the smartphone on a wireless charger and after keeping, it will start charging. It is obvious that you must plug the wireless charger into the wall.
Since wireless charger uses magnetic induction, it is more accurate and it is describes as “inductive charging”. It uses magnetism to transmit energy and the current coming from the wall power outlet moves through the wire in to wireless charger by creating a magnetic field.
Inside the device, the magnetic field creates a current in the coil and this battery is connected to the battery and now the current charges the battery. The appropriate hardware is needed to support wireless charging and a without the appropriate coil, the device can’t charge wirelessly.
Let us learn about how to use a wireless charger today:
To use a wireless charger today you need to have a smartphone that supports the wireless charging and it requires a wireless charging mat to place a device.
Here are some popular smartphones that support wireless charging:
- Samsung Galaxy S4
- HTC Droid DNA
- Google Nexus 4
- Nokia Lumia 920 and Lumia 820
- Apple iPhone 5
Except the Apple iPhone 5, all the above smartphones use the Qi standard, which is made by Powermat and it uses Powermat’s own standard.
While purchasing a wireless charger mat, you need to be careful and need to ensure that it works with your smartphone. With all certified smartphones supporting the standard wireless chargers are made to work support. Nexus 4 uses Qi standard, and is supported to work with all the Qi chargers.