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  2. 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 ...

  3. Wireless power transfer - Wikipedia

    en.wikipedia.org/wiki/Wireless_power_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; also wireless energy transmission or WET) is the transmission of electrical energy without wires as a physical link. In a wireless power transmission system ...

  4. 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 ...

  5. Solar cell phone charger - Wikipedia

    en.wikipedia.org/wiki/Solar_cell_phone_charger

    Solar cell phone charger Solar cell phone charger. Solar cell phone chargers use solar panels to charge cell phone batteries.They can be used when no electricity supply is available—either mains or, for example, a vehicle battery—and are sometimes suggested as a way to charge phones without consuming mains electricity, unlike electrical cell phone chargers.

  6. Pixel 7a - Wikipedia

    en.wikipedia.org/wiki/Pixel_7a

    The Pixel 7a has a 4385 mAh battery, which is a slight decrease from the Pixel 6a at 4410 mAh. It is capable of fast charging at up to 18 W, as well as wireless charging at up to 7.5 W using the Pixel Stand and up to 5 W using other Qi-certified chargers. [11] [12] Adaptive charging can help with battery life on the phone.

  7. Conductive charging - Wikipedia

    en.wikipedia.org/wiki/Conductive_charging

    A charging cradle with contacts that connect to the device being charged. Conductive power transfer uses electrical contacts to connect a power supply to a portable device in order to transfer energy. The technology is sometimes called "conductive wireless charging". [1] The need for a conductor-to-conductor connection between the power supply ...

  8. 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 first version of the MagSafe Charger released in 2020 delivers up to 15 W of power on the iPhone 12/12 Pro and newer, with the exception of the iPhone 12 Mini and 13 Mini, which support 12 W. [12] The Wall Street Journal found ...

  9. Panasonic's Android Toughbooks can swap batteries on the fly

    www.aol.com/news/2018-07-26-panasonic-android...

    The Toughbook L1, on the other hand, is a 7-inch tablet, which also runs Android 8.1 and is protected by thick corners and bezel to make it drop-resistant. Panasonic's Android Toughbooks can swap ...

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