Hi all,
Does anyone know if the Marvel and Paradise share the same rechargeable battery ?
Thanks !
It is a LIR7854/CP7854/ZeniPower Z23L and is a 7.8mmx5.4mm Lithium Ion cell with about 20mAh capacity.
Changing them is not an easy job at all:
https://forum.hearingtracker.com/t/insight-into-the-inside-of-the-hearing-aid/70911
Thank you @Belo. I read the thread How to replace battery in Phonak Audeo M-50R, not an easy job for sure ! 
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