Power Sharing (USB-C)
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The ability of USB-C docks and hubs to distribute power from a single charger to multiple connected devices.
A USB-C dock connected to a 100W charger might deliver 85W to the laptop (pass-through charging) while reserving 15W for connected peripherals. Power negotiation happens dynamically — if you plug in a power-hungry device, the dock may reduce laptop charging. Understanding power sharing prevents unexpectedly slow charging through docks.