Electric Bikes and Scooters

The rechargeable battery is the power source of the electric two-wheeler and provides the fuel (electricity) to the electric motor. Modern electric bikes and scooters typically use a lithium-ion battery pack, which is usually the most expensive component in an electric two-wheeler. While they are much more affordable, these batteries are considerably heavier than lithium-ion units and take longer to charge.

Electric motors replace the complex powertrains of conventional two-wheelers. Usually, manufacturers provide a chassis-mounted motor with a belt or in some cases, a chain drive. Some electric two-wheelers have hub motors. Electric motors have the advantage of immediate peak torque delivery and noiseless, pollution-free operation.

All that immediate torque may not always be needed, so EVs come with a controller to regulate the flow of power from the battery pack to its motor. It computes usage with respect to the available battery charge and delivers power accordingly. This also opens up electric two-wheelers to various driving modes.