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The USB standard included power supply to peripheral devices; modern versions of the standard extend the power delivery limits for battery charging and devices requiring up to 240 watts. USB has been selected as the standard charging format for many mobile phones, reducing the proliferation of proprietary chargers.
Overview. [edit] USB was designed to standardize the connection of peripheralsto personal computers, both to exchange data and to supply electric power. It has largely replaced interfaces such as serial portsand parallel portsand has become commonplace on a wide range of devices.
A tower type UPS with one IEC 60320 C14 input and three C13 outlets. A large data-center-scale UPS being installed by electricians. An uninterruptible power supply ( UPS) or uninterruptible power source is a type of continual power system that provides automated backup electric power to a load when the input power source or mains power fails.
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 charging is complete—depends on the size and type of the ...
USB OTG defines two roles for devices: OTG A-device and OTG B-device, specifying which side supplies power to the link, and which initially is the host. The OTG A-device is a power supplier, and an OTG B-device is a power consumer. In the default link configuration, the A-device acts as a USB host with the B-device acting as a USB peripheral.
ADATA's latest power banks on display at the Computex in 2018 ADATA external USB 3.0 hard disk drive. Consumer. DRAM modules for desktop and notebook PCs; Solid-state drives; External storage (HDDs, SSDs, enclosures) USB flash drives; Memory cards / readers; Power banks; Car / wireless / USB chargers; USB / microUSB / Lightning cables; Media ...