which takes a single USB-C 5V/3A port and splits it into three 5V/1A plugs, wonderful for charging a good few devices on the go! This adapter does things right – it actually checks that 3A is ...

2.1A. Divide that by four, and you have 500mA per port, just like every other computer on the planet. There is a reason the Raspberry Pi foundation set the current limiting of the USB ports so low.

USB ports at home, such as those of a wall plug or on the side of your laptop, tend to have an output of 2.1A or 2.4A ... Because USB chargers tend to deliver 5V, the 12V available from the ...