What is the capacity of the battery? November 04, 2022 03:41 Updated The earbud has a 36mAh battery and the case has a 350mAh battery. Related articles Does the Ear (stick) support fast charge? Will my earbuds chage whe the charging case is on low battery? What do firmware updates do? How do I reset Ear (stick)? Can I use just one of my earbuds?