Leave the extension cord plugged in and take all the USB ports with you.
https://www.howtogeek.com/baseus-powercombo-mini-5-in-1-power-strip-67w-review/?utm_source=dlvr.it&utm_medium=blogger
https://www.howtogeek.com/baseus-powercombo-mini-5-in-1-power-strip-67w-review/?utm_source=dlvr.it&utm_medium=blogger