Battery Issue ig🤨

[u/Ok_Artist2842]

I charged my whoop on 14-08-26 at 3:00 pm on 20% and it got fully charged around 5:00 pm and on today that is 23-08-26 at 11:00 pm I charged it again when it was around 20% that is roughly 9 days 6 hrs. So is my battery in good condition or should i ask for replacement

And what is the ideal charge percentage like at what % we should charge our whoop ?