>A) the device is designed to let you do that This is simply wrong. Apple airpod was not designed to replace battery(they use tons of glue), yet many repair sh

>A) the device is designed to let you do that This is simply wrong. Apple airpod was not designed to replace battery(they use tons of glue), yet many repair shop still offer service to replace battery for them. >B) the battery is still in production The industry is kind of converging into using standard "coil cell" battery for their headphone