https://blog.wongcw.com/2019/04/07/%e5%b0%8f%e7%b1%b3%e7%a7%bb%e5%8b%95%e9%9b%bb%e6%ba%903-usb-c%e9%9b%99%e5%90%91%e5%bf%ab%e5%85%8510000mah%e6%8b%86%e8%a7%a3/