https://blog.wongcw.com/2021/04/12/galaxy-z-fold-3-flip-2%e6%9c%80%e6%97%a97%e6%9c%88%e7%99%bc%e5%b8%83%e9%85%8d4830mah-3200mah%e9%9b%bb%e6%b1%a0/