An e-bike is an electric bicycle that is a motorized with an integrated electric motor to assist propulsion. They fall into two broad categories: bikes that assist the rider's pedal-power, and bikes that add a throttle, integrating moped-style functionality.

Historical perspective: As of 2023, e-bike fires have been happening more frequently and sometimes with deadly consequences due to a variety of cheap, lithium batteries powering the two-wheeled devices. 
NetLingo Classification: Net Technology