I have a bottle battery for my ebike that I need to change a part of.
I do not know what it is called in english but I will
paste a link to it in my language from a store at least:
This will require me to open the battery and do some soldering,
so I would be thankful if I could have some instructions on how to avoid shock and so on,and any safety procedure that needs to be taken.
Please let us know if you have any questions.