These units can be recharged from 120 VAC wall outlets using the standard charging bases, as well as from vehicles and equipment using an included 12V cigarette plug and cord.
The salesman said that the bike would run for twenty to thirty miles, depending on how fast I went, before I would need to plug its cord into the wall for eight hours or lug the batteries inside to charge.
After all, anyone who travels internationally knows that there are dozens of plug designs that accomplish the same basic function: delivery of electricity to a power cord.