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Qi (/ tʃ iː / CHEE) is an open standard for inductive charging developed by the Wireless Power Consortium. It allows compatible devices, such as smartphones , to receive power when placed on a Qi charger, which can be effective over distances up to 4 cm (1.6 in). [ 1 ]
Official specifications of the Qi interface standard and the example of the standard in use by a charging pad and the compatible device. The Wireless Power Consortium was established on 17 December 2008. It officially published the Qi interface standard and the low-power specification in August 2010.
The first standard for vehicle wireless charging was the SAE J2954 standard. It allows inductive car charging over a pad, with power delivery up to 11 kW. [22] As of 2024, standards for higher-power wireless charging and for charging while driving are being developed. [23]
Belkin 10W Dual Wireless Charging Pad Qi-Certified, White. Unless you’re living off the grid, most people have numerous devices to charge, be they phones, tablets, earbuds or others.
Inductive charging pad for a smartphone as an example of near-field wireless transfer. When the phone is set on the pad, a coil in the pad creates a magnetic field [1] which induces a current in another coil, in the phone, charging its battery.
[35] [36] At launch, Belkin was the only accessory maker Apple had licensed the MagSafe charging standard to; while other third-party accessory makers advertise magnetic charging products as "MagSafe compatible," they use older Qi standards that deliver a maximum charging speed of 7.5 W, compared to first-generation MagSafe's 15 W, and lack ...