Battery capacity drops to 99% in 3 weeks

Check this link about batteries...

iPhone Battery and Performance - Apple Support

mahrozekayani wrote:

Hi,

I'm using iphone11 pro from last 3 weeks ,

today just after upgrade to ios13.6,i found that my battery capacity Drops to 99%.

I know its not a big deal as my phone is working well,but how come it drops in only 3 weeks.

can anyone helps me to fix this issue to avoid further drop,

thanks

there is no issue with your battery health.