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2. Quick Charge - Wikipedia

   en.wikipedia.org/wiki/Quick_Charge

   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 some chargers; both device and ...

3. Common external power supply - Wikipedia

   en.wikipedia.org/wiki/Common_external_power_supply

   The common EPS specification relies heavily on existing USB electro-mechanical standards – especially the USB Battery Charging Specification. By the mid-2000s, many mobile phone manufacturers (as well as manufacturers of other small battery-powered devices) had already begun designing their products with the ability to use a USB port's 5 V DC ...

4. USB hardware - Wikipedia

   en.wikipedia.org/wiki/USB_hardware

   This feature has also been implemented on some laptop docking stations allowing device charging even when no laptop is present. [81] On laptops, charging devices from the USB port when it is not being powered from AC drains the laptop battery; most laptops have a facility to stop charging if their own battery charge level gets too low. [82]

5. What is USB-C, the charging socket that replaced Apple's ...

   www.aol.com/news/usb-c-charging-socket-replaced...

   USB-C cables can carry more power so laptops can be charged faster, and they enable faster data transfer speeds, allowing a big trove of files to be copied from a computer to an external hard drive.

6. Universal charger - Wikipedia

   en.wikipedia.org/wiki/Universal_charger

   This document specified the three components of a common charging solution (CCS): a charging and local data connector (CLD) on the "terminal" (e.g., a mobile phone) consisting of a micro USB-B (2.0) or micro USB-AB (2.0) receptacle; a common power supply (CPS) with a USB type-A receptacle; and a detachable USB type-A to micro USB-B (2.0) cable ...

7. USB - Wikipedia

   en.wikipedia.org/wiki/USB

   The throughput of each USB port is determined by the slower speed of either the USB port or the USB device connected to the port. High-speed USB 2.0 hubs contain devices called transaction translators that convert between high-speed USB 2.0 buses and full and low speed buses. There may be one translator per hub or per port.