Battery bike light holder for the original positions.

After never really making friends with the dynamo on my 35-year-old everyday bike, I switched to a Battery light solution I mounted the lights with those adapters in the intended places and it is still removable for charging.
I use these battery lights: https://www.amazon.de/gp/product/B08DJ3VWJ8/ref=as_li_tl?ie=UTF8&camp=1638&creative=6742&creativeASIN=B08DJ3VWJ8&linkCode=as2&tag=eisenfliege-21&linkId=4baa173ab0adcc5cd3bbcb4877a1bf71