https://blog.wongcw.com/2022/05/08/%e4%b8%89%e6%98%9fgalaxy-z-flip4%e6%9b%9d%e5%85%89%e9%a9%8d%e9%be%8d8-plus3400mah%e7%b5%84%e5%90%88%e7%8d%a8%e4%b8%80%e7%84%a1%e4%ba%8c/