For a while now there have been reports of the battery loosing connection with the bike due to ill fitting clamps, Brompton are now issuing a new clamp as a free upgrade to all Brompton electric owners.
https://www.brompton.com/electric-upgrades
Cheers,
Ben
..... for I have become the Jedi of flippers
" an extravagance is anything you buy that is of no earthly use to your wife "