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2. MagSafe (wireless charger) - Wikipedia

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

   The MagSafe Charger is a single charging pad that contains recyclable rare-earth magnets surrounding a Qi wireless charging coil attached to a 1m USB-C cable. The MagSafe Charger delivers up to 15 W of power on the iPhone 12, 13, 14 and 15 series, with the exception of the iPhone 12 Mini and 13 Mini, which support 12 W. [11] The Wall Street Journal found MagSafe charged at half the speed of a ...

3. Inductive charging - Wikipedia

   en.wikipedia.org/wiki/Inductive_charging

   Inductive charging. The primary coil in the charger induces a current in the secondary coil in the device being charged. 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 ...

4. Wireless power transfer - Wikipedia

   en.wikipedia.org/wiki/Wireless_power_transfer

   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. Wireless power transfer ( WPT ), wireless power transmission, wireless ...

5. Quick Charge - Wikipedia

   en.wikipedia.org/wiki/Quick_Charge

   Quick Charge is a proprietary technology that can charge battery-powered devices, primarily mobile phones, at power levels exceeding the 7.5 watts (5 volts at 1.5 amps) supported by the USB BC 1.2 standard, using existing USB cables. The higher voltage available allows more power (watts) to be supplied through wires without excessive heating.

6. MagSafe - Wikipedia

   en.wikipedia.org/wiki/MagSafe

   MagSafe. MagSafe is a series of proprietary magnetically attached power connectors developed by Apple Inc. for Mac laptops. MagSafe was introduced on 10 January 2006, in conjunction with the MacBook Pro, the first Intel-based Mac laptop, at the Macworld Expo. A MagSafe connector is held in place magnetically so that if it is tugged (for example ...

7. Near-field communication - Wikipedia

   en.wikipedia.org/wiki/Near-field_communication

   This chip is commonly found in smartphones and other NFC devices. Near-field communication ( NFC) is a set of communication protocols that enables communication between two electronic devices over a distance of 4 centimetres (1.6 in) or less. [ 1] NFC offers a low-speed connection through a simple setup that can be used for the bootstrapping of ...