airpod pro left charge all night but stuck in 41%

First of all i’m sorry the problem isn’t my iphone but my airpods pro, i choose iphone because theres no option for airpods.

I always put my airpods to the case every night before go to bed and in every morning i open the case it’s always like this (it’s supposed to 41%, but it’s 45% because i’ve already pull it out and insert it again)

i’ve tried to fix it with repairing it again but it still like that. But when i pull it out and insert it again i will charge fully, it’s only happen once in every morning but it’s annoyed me. I’ve tried to clean up the case and the airpods, but there’s no result. For information i bought it 2 weeks ago. And the problem started like a week ago. Thank you.