What's the battery capacity of Ear (open)? September 24, 2024 13:12 Updated Each earbud has a 64 mAh battery and the case has a 635 mAh battery. Related articles What's the battery life of Ear (open)? Does Ear (open) support wireless charging? How can I check the battery level? Does Ear (open) support fast charging? Does Ear (open) support Dual Connection?