Then you are doing a good job at keeping it healthy
You can try to look at the Apple page of your country how to contact them or the retailer you bought it from
It can also be the way you are using your battery. Are you fully discharging and charging it again that be a thing. Try keeping it between 30% and 80% I use AlDente for this . And also contact apple if it keeps going down fast.
It can also be the way you are using your battery. Are you fully discharging and charging it again that be a thing. Try keeping it between 30% and 80% I use AlDente for this . And also contact apple if it keeps going down fast.