You will find a one.35mm DC port for an external power supply but its linked directly to the 5V line so if you need to externally power, we propose prying open the case and slicing the crimson 5V line with the USB https://prestonspzx777112.verybigblog.com/28153500/the-inland-usb-type-c-to-usb-type-c-cable-6ft-2-pack-diaries