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What is Wireless Charging?

A Qi certified charger offers a uniquely efficient cable-free power supply to all mobile devices which are Qi enabled.  The charger will detect a mobile device through magnetic induction. The mobile device itself will also show that it is accepting a charge through its standard on-screen indicator.  When the device is removed, charging automatically stops.

Magnetic Induction
Wireless charging, also known as inductive charging, is based on a few simple principles. The technology requires two coils: a transmitter and a receiver. An alternating current is passed through the transmitter coil, generating a magnetic field. This in turn induces a voltage in the receiver coil; this can be used to power a mobile device or charge a battery.

What is Qi?
Qi takes its name from the traditional Chinese concept (pronounced “chee”) of intangible flow of power; the word literally means “vital energy”. QiThe logo is a guarantee that your device can be wirelessly charged wherever you go as it has been approved by the Wireless Power Consortium® (WPC).

The idea behind Qi is simple: all devices with the Qi logo will work with all Qi chargers.  Qi is a global standard – this means that your device can be charged wirelessly wherever you are regardless of manufacturer or brand.  Simply forget about USB cables and chargers when travelling, at the office or around the home.

wireless charging batteries
How it works

Qi Facts:

  • Just like Bluetooth® set the standard for exchanging data over short distances or Wi-Fi™ set the standard for wireless networking, Qi sets the standard for wireless charging.
  • Qi is currently designed for devices using 5 watts of power or less, such as mobile phones.
  • The WPC is expanding Qi for use in larger devices as well, such as tablets, laptops, and home appliances with a vision to cover industrial equipment and electric vehicles over time.
  • Qi charging devices can easily be embedded in countertops, furniture and cars.
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