Bowers & Wilkins PX battery replacement and opening - YouTube
Teardown, Bowers & Wilkins PX on Behance
Bowers & Wilkins Px7 S2 review: Style, sound, and comfort | Digital Trends
Looks like it may be possible to replace the battery in the new PX8 for future reference. At least going off the PX design… if you are brave enough 😆 : r/headphones
Teardown, Bowers & Wilkins PX on Behance
Bowers & Wilkins PX battery replacement and opening - YouTube
B&W PX Headphones - tear down to locate battery | AVForums
Bowers & Wilkins PX battery replacement and opening - YouTube