Battery stuck on 100

[Mughal Sahib]

My phone is Huawei nova 3i And his battery percentage stuck on 100 please tell me solution

 

[mustang7757]

Welcome to AC!
How long its been stuck on 100%?

 

[B. Diddy]

Welcome to Android Central! What happens if you use the phone until it shuts off automatically from low battery, and then charge back up again?

Did you already try rebooting?