Oh okay, Do you Costco membership? Maybe ask Costco if you can put your Oticon HAs into their Phillips charger and watch the lights.
Here’s a link to another thread on the subject.
eta: I will have to stop my habit of dropping another link into a conversation because it repeats the first 5 or 6 lines related to the new link and then it appears that I am changing the conversation. Sorry, I fixed it with a proper link.