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  2. AC adapter - Wikipedia

    en.wikipedia.org/wiki/AC_adapter

    An AC adapter or AC/DC adapter (also called a wall charger, power adapter, power brick, or wall wart) [1] is a type of external power supply, often enclosed in a case similar to an AC plug. [2] AC adapters deliver electric power to devices that lack internal components to draw voltage and power from mains power themselves.

  3. Inductive charging - Wikipedia

    en.wikipedia.org/wiki/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 wired 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 ...

  4. 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]

  5. Laptop - Wikipedia

    en.wikipedia.org/wiki/Laptop

    A laptop's battery is charged using an external power supply, which is plugged into a wall outlet. The power supply outputs a DC voltage typically in the range of 7.2—24 volts. The power supply is usually external and connected to the laptop through a DC connector cable. In most cases, it can charge the battery and power the laptop ...

  6. USB - Wikipedia

    en.wikipedia.org/wiki/USB

    Charging docks supply power, and do not include a host device or data pins, allowing any capable USB device to charge or operate from a standard USB cable. Charging cables provide power connections but not data. In a charge-only cable, the data wires are shorted at the device end; otherwise, the device may reject the charger as unsuitable.

  7. Chromebook - Wikipedia

    en.wikipedia.org/wiki/Chromebook

    At the time, Google Play access was scheduled for the ASUS Chromebook Flip, the Acer Chromebook R 11 and the most recent Chromebook Pixel, with other Chromebooks slated over time. [ 15 ] [ 16 ] [ 17 ] Partnering with Google, Samsung released the Chromebook Plus and Chromebook Pro in early 2017, the first Chromebooks to come with the Play Store ...

  8. Standby power - Wikipedia

    en.wikipedia.org/wiki/Standby_power

    Standby power may be used to power a display, operate a clock, etc., without switching the equipment to full power. Battery-powered equipment connected to mains electricity can be kept fully charged although switched on; for example, a mobile telephone can be ready to receive calls without depleting its battery charge.

  9. Trickle charging - Wikipedia

    en.wikipedia.org/wiki/Trickle_charging

    Trickle charging is the process of charging a fully charged battery at a rate equal to its self-discharge rate, enabling the battery to remain at its fully charged level. This state occurs almost exclusively when the battery is not loaded, as trickle charging will not keep a battery charged if current is being drawn by a load.