Tips Sahabat

Understanding Car Batteries: Functions, Types, and How They Work

09 April 2025
Mengenal Aki Mobil: Fungsi, Jenis dan Cara Kerjanya

The presence of a car battery turns out to be a vital component in a car. This is because the function of this component serves as a storage place for electrical energy and supplies electricity to all systems and other components of the car. 

That is why this component should be properly maintained and cared for so that the vehicle's performance can be optimal. If the battery experiences problems, it will certainly have an immediate impact on your vehicle. 

Although it is a quite important component, many people are still unaware of its function, types, and how it works. Below, we provide a complete review of car batteries. 

What Is a Car Battery?

A car battery or accumulator is a battery that functions as a power source for a vehicle to operate. In addition, the battery also serves as a place for dynamic storage of electrical energy.

This component works by channeling electric current from the positive to the negative side. Thus, it will generate energy that will later be needed by the vehicle.

Functions of the Battery 

As mentioned earlier, the battery plays a significant role in a car. Besides being used as a storage place for energy, here are other functions of the battery that need to be known:

To Start the Car 

This component functions as a supplier of electrical energy to the starter, helping to start the car. The electricity in the battery will flow to the starter system and will rotate the flywheel so that the engine can run. 

To Power the Lights

Another function of the battery is to power the lights in the car. These lights play an important role as they can be used for illumination or specific signals when driving. 

To Power the AC

The AC in the car is crucial as it enhances comfort during driving, especially for long distances. This battery component also has the function of powering the AC cooling system. 

Ignition System 

Another function is important for the ignition system contained within it. The platinum part that receives the electric current from the battery usually will create a spark that can assist in the vehicle's ignition process. 

Types of Car Batteries

As a crucial component in a vehicle, batteries come in several types. However, in general, there are only two types of batteries commonly used in cars, namely:

Dry Battery

Dry batteries utilize gel to soak the battery cells so that water does not easily evaporate. This type of battery typically has a lifespan of about five years. 

Wet Battery 

In contrast, this type of battery uses an electrolyte liquid that serves to soak the battery cells. Wet batteries can usually be revived when filled with sufficient battery acid or demineralized water. 

Read Also : Wet Battery vs Dry Battery. Which One to Choose?

How Does a Battery Work

This component can generate and transmit electricity due to two chemical reactions known as discharge and recharge. Discharge is a chemical process when the battery contracts and releases current. 

Meanwhile, recharge is a process of replenishing electric current that utilizes a reverse chemical process. This chemical process requires electrolytes, and as long as electrolytes are present, the bidirectional operation of this component will continue to function. 

Read Also : How Long is the Lifespan of a Car Battery? Here are Tips to Make It Last!

The battery is a crucial component in a car. Its functions are numerous, from starting the engine to the ignition system. So, have you taken care of and maintained your Daihatsu car battery to ensure your vehicle's performance is always maintained?

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