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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 ...
The battery is larger at 4000 mAh, and supports 40 W fast charging over USB-C with 30 W fast wireless charging. It can also charge other Qi-compatible smartphones at 10 W. [4] The under-display optical fingerprint sensor is carried over from the Mi 9. The cameras are unchanged as well, with a 48 MP main camera, a 12 MP telephoto lens with 2x ...
USB Battery Charging (BC) defines a charging port, which may be a charging downstream port (CDP), with data, or a dedicated charging port (DCP) without data. Dedicated charging ports can be found on USB power adapters to run attached devices and battery packs. Charging ports on a host with both kinds will be labeled. [51]
Charging controller of a USB power bank. A charge controller, charge regulator or battery regulator limits the rate at which electric current is added to or drawn from electric batteries to protect against electrical overload, overcharging, and may protect against overvoltage.
Anker Fast Charging 20K Power Bank (15W, 2 ports) A power bank can be a lifesaver for a busy person. Use it to charge phones, tablets, e-readers, headphones and much more. This one by Anker has ...
USB was designed to standardize the connection of peripherals to personal computers, both to exchange data and to supply electric power. It has largely replaced interfaces such as serial ports and parallel ports and has become commonplace on various devices.
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