What is this is it a fuse

Submitted by Johnrobert on Tue, 10/01/2019 - 05:47

It goes from one of the wires where I plug in the charger for my electric bike

the wire has no current and will not charge

I tried to add a picture and I tried to edit not successful

dont see where edit is 

  Joined October 01, 2019      1
Tuesday at 05:38 AM