Originally Posted by
colleen c
That Jumper will help assist in
cranking the bike over.

Just a funny thought, imagine if E-bike battery are 12v and some car needed a jumper and a cyclist offer them a jump start from their E-bike. How embarrassing

That'd be funny, but unlikely. I don't know of many 12v ebikes. Most are 36 or 48 volts.
__________________
Work: the 8 hours that separates bike rides.