battery percentage

I just installed the rom V14.0.8.0.TKDEUXM but the battery percentage is incorrect, aggressive battery drain and it stays at 1%, it has 2 hours at that percentage and it still doesn't turn off. edit: Finally's turned off on 01:17 and then let do a full charge (without turn on), now i'm testing...

You can`t enable the battery percent option next to the battery symbol in every dev rom xiaomi.eu. This option occurs in the global firmware in xiaomi and all version of android any rom and every smartphone brand. Can you add this option? Very useful if someone has poor eyesight. The percentage...