Rechargeable lithium battery hearing aids

[firenzel]

This is the tread where a forum member had successfully replaced the battery of an Phonak Audeo

How to replace battery in Phonak Audeo M-50R

Here is what I did to replace dead batteries in my Phonak Audeo M-50. I would first suggest to read this thread: Insight into the inside of the hearing aid. It contains a lot of usefull infos and photos Strategy used: remove te dead battery from its plastic casing, slide a new one in place and reconnect the 2 wires to the main circuit Parts used: 1- Battery from this supplier: https://www.alibaba.com/product-detail/M7854S1-ICR7854-LIR7854-3-7V-25mAh_1600227890083.html 2- Electrically c…