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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 ...
For example, Qualcomm's Quick Charge 2.0 is able to deliver 18 W at a higher voltage, and VOOC delivers 20 W at the normal 5 V. [76] Some of these technologies, such as Quick Charge 4, eventually became compatible with USB PD again.
Charging controller of a USB power bank. A charge controller, ... Quick Charge 3.0 starts at 3.2 volts with 0.2 volts between each step and goes up to 20 V ...
Micro-USB Cables and Connectors Specification 1.01; InterChip USB Supplement; On-The-Go Supplement 1.3 USB On-The-Go makes it possible for two USB devices to communicate with each other without requiring a separate USB host; Battery Charging Specification 1.1 Added support for dedicated chargers, host chargers behavior for devices with dead ...
It resisted the EU's common charging push, citing worries that it would limit innovation and end up hurting consumers. Apple held out even as others started adding USB-C connectors into their devices.
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.