Drain battery health

Batteries are consumables, meaning the get used up over time.Your battery is designed to stay above 80% for 500 full charge cycles. Doing the math that means it is expected to drop about 1% for every 25 full charge cycles, which you could easily do in one month if you are a heavy user.

As you have an iPhone 11 this Apple support note may be of interest→About recalibration of battery health reporting in iOS 14.5 - Apple Support

Your battery is fine. It is simply not possible with any battery, in any device to maintain 100% capacity. However, if you have to skills to create such a battery, patent your idea now, as it will make you very, very wealthy.

attacky wrote:

Can you please give me any suggestions about this 🙏🏻

Check the battery health again in six to eight months, and if it is significantly degraded at that time, contact Apple support.

No, they don't have to and they won't.