Top Five Electric Car Components

Published Date: 13th Jun 2023

Image of an Electric Car Charging SocketElectric cars are gaining popularity in the UK due to their efficient, eco-friendly and cost-effective nature. They work by using rechargeable batteries to power the electric motor, instead of relying on petrol fuel to run like traditional cars. One of the benefits of electric cars is that they emit zero emissions when driven, making them an ideal choice for drivers who are eco-conscious. These green vehicles are also cheaper to maintain and require less frequent maintenance, making them an appealing choice for many car buyers. Electric cars offer a greener and more sustainable transport solution that can benefit the environment and your pocket immensely.


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Here are the top five components of an electric car:


1. Traction battery pack


The beating heart of the electric car is its traction battery pack, storing the energy that propels the motor forward. The pack comprises multiple individual cells that can be connected in a series or parallel arrangement to determine their voltage and capacity. Mastering this power-storage technology is crucial to unlocking the full potential of electric cars.

The battery pack is typically the costliest component of an electric vehicle, ranging from £3,000 to £6,000. Nevertheless, it remains the most crucial, as it dictates the car's range on a single charge and significantly influences the overall performance.


2. Electric motor


The battery pack stores energy that the electric motor converts into mechanical energy, spinning the wheels on the driveshaft. Found beneath the bonnet, the motor's crucial to powering the vehicle.

The electric motor, which costs between £1,500 and £3,000, is the second most valuable component of an electric vehicle. Nevertheless, it remains a crucial element, as it determines the car's power levels and influences the overall efficiency of the car.


3. Controller


The controller acts as the brain of an electric vehicle by regulating power flow from the battery pack to the motor. One pivotal role of the controller is overseeing the battery pack's charging and discharging. Although its physical size is limited, the controller significantly influences how smoothly and safely the car operates.


4. Charge port


Image of an Electric Charging Socket and Port

The charge port is an exterior EV component that allows you to charge your electric car anywhere. It usually sits near the front or rear and, while relatively simple, plays a vital role in enabling easy charging and safeguarding the battery pack against damage.


5. Onboard charger


The onboard charger is crucial to converting AC electrical energy from the grid into stored DC electrical energy in the battery pack. Although physically small, it significantly determines the efficiency and speed of charging your vehicle. Typically located under the bonnet, the onboard charger is a critical component that plays an integral part in an electric vehicle's performance.

These are the five main components of an electric car. They work together to provide a clean, efficient, affordable way to get around.

In addition to these five main components, electric cars have other components, such as a cooling system, a transmission, and a differential. However, these components are not essential for the operation of the engine.

The total number of components in an electric car engine can vary depending on the make and model of the car. However, most electric car engines have fewer than 20 components. This contrasts traditional petrol-powered engines, which can have hundreds of components. The fewer components in an electric car engine make it simpler, more efficient, and easier to maintain.

If you are considering buying an electric car, it is important to understand the different components that make it work. By understanding these components, you can be more confident in purchasing an electric vehicle.


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