https://blog.wongcw.com/2020/09/15/miui-12%e6%96%b0%e6%a9%9fredmi-9i%e7%99%bc%e5%b8%83%ef%bc%9a5000mah%e7%ba%8c%e8%88%aa2%e5%a4%a9766%e5%85%83%e8%b5%b7/
MIUI 12新機Redmi 9i發布:5000mAh續航2天766元起