anyone know why sometimes only one airpod will charge? (this has nothing to do with the case(00)

anyone know why sometimes only one airpod will charge? (this has nothing to do with the case(00)

Image gallery: Only One Airpod Charges

anyone know why sometimes only one airpod will charge? (this has nothing to do with the case One Airpod Not Charging? Here Is How to Fix It - Cherry Picks Only one AirPod working? Here's what to do about it TechRadar