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  2. MagSafe (wireless charger) - Wikipedia

    en.wikipedia.org/wiki/MagSafe_(wireless_charger)

    [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 ...

  3. Inductive charging - Wikipedia

    en.wikipedia.org/wiki/Inductive_charging

    Inductive charging (also known as wireless charging or cordless charging) is a type of wireless power transfer. It uses electromagnetic induction to provide electricity to portable devices. Inductive charging is also used in vehicles, power tools, electric toothbrushes, and medical devices.

  4. Wireless power transfer - Wikipedia

    en.wikipedia.org/wiki/Wireless_power_transfer

    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. Generic block diagram of a wireless power system

  5. Qi (standard) - Wikipedia

    en.wikipedia.org/wiki/Qi_(standard)

    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]

  6. Resonant inductive coupling - Wikipedia

    en.wikipedia.org/wiki/Resonant_inductive_coupling

    The energy will transfer back and forth between the magnetic field in the inductor and the electric field across the capacitor at the resonant frequency. This oscillation will die away at a rate determined by the gain-bandwidth ( Q factor ), mainly due to resistive and radiative losses.

  7. Rezence (wireless charging standard) - Wikipedia

    en.wikipedia.org/wiki/Rezence_(wireless_charging...

    Official Rezence brandmark, the A4WP uses this mark of interoperability to show that various devices are compatible with Rezence systems. Rezence (pronounced reh-zense) was an interface standard developed by the WiPower (A4WP) for wireless electrical power transfer based on the principles of magnetic resonance.

  8. Pixel Watch - Wikipedia

    en.wikipedia.org/wiki/Pixel_Watch

    The watch features a USB-C charging mechanism manufactured by Compal Electronics. [40] Due to the base's curved design, it can only be wirelessly charged with Google's proprietary magnetic charger, [41] though some users were able to charge the device using other Qi chargers or via reverse wireless charging on their phones. [42]

  9. List of Fitbit products - Wikipedia

    en.wikipedia.org/wiki/List_of_Fitbit_products

    Announced on September 17, 2012, the Fitbit One is an update to the Fitbit Ultra that has a more vivid digital display, a separate clip and a separate charging cable and wireless sync dongle. [23] The Fitbit One and the Fitbit Zip were the first wireless activity trackers to sync using Bluetooth 4.0 or Bluetooth Low Energy technology.

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