While you wait for answers, we may have found some information which could help you.
Click here for Fit Model GoingBraun 5550 Shaver Battery?
How to replace battery to a Braun silk epil lady shaver?
How to change the battery in my Braun Shaver?
Batteries for Braun shaver 5614?
How to replace Braun Trimmer in Series 7 790cc?
how can I fix Braun 5614 long hair trimmer?