Battery symbol next to USB port indicates faster charging speeds and bi-directional power delivery
Reports explain that a battery icon beside a USB connector typically signifies a USB Power Delivery port capable of higher wattage output.
Protocol history and updates
The USB PD charging protocol was first introduced in 2012. It predates the debut of the USB-C port but received an update in 2021. This revision allows the standard to deliver up to 240W of power.
Intelligent digital handshake process
Power Delivery conducts an intelligent digital handshake between a device and its charger. This process provides the right amount of voltage and current without overheating risks. Users can charge laptops faster using this sophisticated charging protocol.
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