Yes, there is a non-replaceable, rechargeable lithium ion battery in the H15 bluetooth wireless headphones. See page 5 (page 6 of the PDF) of the manual; it's available here: https://motorola-global-en-uk.custhelp.com/ci/fattach/get/544996/1353537428/redirect/1/session/L2F2LzEvdGltZS8xNDk5MTE4MDMwL3NpZC9xSkJRV0htbg==/filename/H15_GB_EN_UG.pdf .
Answers & Comments
Yes, there is a non-replaceable, rechargeable lithium ion battery in the H15 bluetooth wireless headphones. See page 5 (page 6 of the PDF) of the manual; it's available here: https://motorola-global-en-uk.custhelp.com/ci/fattach/get/544996/1353537428/redirect/1/session/L2F2LzEvdGltZS8xNDk5MTE4MDMwL3NpZC9xSkJRV0htbg==/filename/H15_GB_EN_UG.pdf .
I hope this helps.
Cindy Wells