How Long Does it Take Electrons to Get from a Car Battery to the Starting Motor?

Automotive batteries are one of the most important pieces of equipment in a vehicle. They store energy that is used to start the engine, and they provide power to the various systems in the car. Understanding how automotive batteries work is important for keeping your car running smoothly.

What is an Electron?

An electron is a small, negative particle that travels through the air and water. It is made up of an electron and a proton.

How Electrons Flow in a Circuit

Electrons flow in circuits in a predictable manner, making it easy to understand how electrical devices work. When an electric current flows through a circuit, it creates a flow of electrons. This flow is usually orderly and predictable, which is why it is so easy to understand how electrical devices work.

How an Engine Starts

Electrons are transferred from a car battery to the starting motor in just over 1/10 of a second.

What Happens to Electrons When the Engine Stops

When the engine stops, the electrons in the battery are no longer being supplied with enough energy to continue moving. The battery can no longer supply current to the starter motor, and the car will not start.


It can take a few minutes for electrons to reach the starter motor after you turn the key in your car. This is why it sometimes takes several tries before your car will start.

DynoCar is the best place to find information on all things cars, whether it be a car buying guide or how to change your oil. We’ve made finding and staying in touch with car information easy and fast.



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Information contained herein is for informational purposes only, and that you should consult with a qualified mechanic or other professional to verify the accuracy of any information. shall not be liable for any informational error or for any action taken in reliance on information contained herein.