I've lost the battery cap to my Chubby Buttons! Justin February 20, 2022 17:22 Updated So sorry to hear you've misplaced the battery cap! Not to worry -- we've got you. You can purchase a brand new battery cap for $3.99 via this link. This mainly covers shipping & handling. We'll get it out to you ASAP! Related articles Can I purchase a replacement armband? How do I turn off my Chubby Buttons? I've just received my Chubby Buttons. What is the note about the important firmware upgrade? Can I download a PDF of the Instruction Manual? My Chubby Buttons is not controlling my phone, or only some functions work.