What Is The Purpose Of A Battery Symbol Next To A USB Port?
Typically, it means faster charging speeds and bi-directional charging.
Dell
The more USB ports on a device, the better, but things can get confusing when they all have a different symbol on them. Among the markings seen next to USB ports, it's not uncommon to see a battery icon, which typically indicates that it's a USB Power Delivery port. Known as USB PD for short, this port means it can deliver higher power levels than a typical USB port, but can also charge connected devices.
The USB PD charging protocol has a long history and was first introduced in 2012, meaning it predates the debut of the USB-C port. However, USB PD was updated in 2021and is now able to deliver up to 240W of power, meaning it can support more demanding devices like high-end laptops or some monitors. Beyond supplying more power, the USB PD port has...
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