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  2. Automobile auxiliary power outlet - Wikipedia

    en.wikipedia.org/wiki/Automobile_auxiliary_power...

    Mobile phone charger for use in automobiles. Power inverter for producing 60 Hertz square wave power from an automobile outlet as a way to power home appliances. An automobile auxiliary power outlet (also known as car cigarette lighter or auxiliary power outlet [1]) in an automobile was initially designed to power an electrically heated ...

  3. Battery charger - Wikipedia

    en.wikipedia.org/wiki/Battery_charger

    Battery charger. Charging a 12 V lead-acid car battery. A mobile phone plugged in to an AC adapter for charging. A battery charger, recharger, or simply charger, [1] [2] is a device that stores energy in an electric battery by running current through it. The charging protocol—how much voltage, current, for how long and what to do when ...

  4. 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 ...

  5. Quick Charge - Wikipedia

    en.wikipedia.org/wiki/Quick_Charge

    A USB charger that supports QC3.0. Quick Charge ( QC) is a proprietary battery charging protocol developed by Qualcomm, used for managing power delivered over USB, mainly by communicating to the power supply and negotiating a voltage. Quick Charge is supported by devices such as mobile phones which run on Qualcomm system-on-chip (SoCs), and by ...

  6. DC connector - Wikipedia

    en.wikipedia.org/wiki/DC_connector

    DC connector. A DC connector (or DC plug, for one common type of connector) is an electrical connector for supplying direct current (DC) power. Compared to domestic AC power plugs and sockets, DC connectors have many more standard types that are not interchangeable. The dimensions and arrangement of DC connectors can be chosen to prevent ...

  7. Here's why FEMA sent an emergency alert to your ... - AOL

    www.aol.com/news/heres-why-cellphone-emergency...

    All major U.S. wireless providers participate in Wireless Emergency Alerts and transmitted the national test in a 30-minute window, but your mobile phone should have received it only once. Alerts ...

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