Hi everyone my son broke my charger prot on my muddyfox electric avenue I took it round to some shops they all won't work on it for whatever reason however when I showed one of the shops the issue the broken charger bit inside the frame touched the frame and sparked welding itself to the inside of the frame after this the bike wouldn't turn on whay damage has been done from this the bike is 15 months old and just out of warranty can I do anything to fix it thank you any advice is appreciated