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  2. Inductive charging - Wikipedia

    en.wikipedia.org/wiki/Inductive_charging

    On February 3, 2022, Hyundai Motor Group developed a wireless charging system for electric vehicles using the principle of magnetic induction. [77] Power is transmitted to the vehicle through resonance between the magnetic pad at the bottom of the charging space and the magnetic pad at the bottom of the vehicle.

  3. 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

  4. Plugless Power - Wikipedia

    en.wikipedia.org/wiki/Plugless_Power

    When a car with an Adapter drives over a Pad, the two pieces are brought into close proximity, 70–300 mm (2.8–11.8 in), then current from the electrical grid flows through the coils in the Power Pad to create magnetic fields and these fields induce current flow in the Vehicle Adapter's coils to charge the battery.

  5. Conductive charging - Wikipedia

    en.wikipedia.org/wiki/Conductive_charging

    Electric bus equipped with an Alstom SRS receiver which charges the bus battery when it drives or parks over a conductive segment. Conductive charging is conductive power transfer that replaces the conductive wires between the charger and the charged device with conductive contacts. Charging infrastructure in the form of a board or rail ...

  6. Keep Your Devices Juiced Up With One of These Portable Chargers

    www.aol.com/keep-devices-juiced-one-portable...

    The best smartphones have a roughly 3,000-4,000 mAH battery, so a 10,000 mAh battery bank is more than enough to charge your phone at least 1-1.5 times. It's the ideal "just right" size for most ...

  7. SAE J2954 - Wikipedia

    en.wikipedia.org/wiki/SAE_J2954

    SAE J2954 is a standard for wireless power transfer (WPT) for electric vehicles led by SAE International. It defines three classes of charging speed, WPT 1, 2 and 3, at a maximum of 3.7 kW, 7.7 kW and 11 kW, respectively. This makes it comparable to medium-speed wired charging standards like the common SAE J1772 system.