Updated at: 18-09-2023 - By: John Lau

Battery maintenance can sometimes be tricky, especially when it comes to tackling corroded battery terminals. Did you know that a household favorite like Pepsi could potentially assist in this peculiar yet common task?

This article will guide you through the unique process of using Pepsi as an alternative approach to clean battery terminals.

Ready for your next DIY project? Let’s dive right in!

Comparison of Cleaning Agents for Battery Terminals

In this section, we will compare the effectiveness of different cleaning agents for battery terminals, including cola (Pepsi), baking soda, and water.

Cola (Pepsi)

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Pepsi, a popular cola drink, is more than just a refreshing beverage. The acidity in Pepsi can effectively dissolve the corrosion on battery terminals. You pour it over the corroded areas and its acid content reacts with the rust, bubbling away to loosen and remove it.

This makes Pepsi an unexpected but potent tool for cleaning car batteries when you lack traditional cleaning agents or need an immediate solution out on the road.

Baking soda

Baking soda is a versatile and affordable cleaning agent that can be used to clean battery terminals effectively. It has alkaline properties that help dissolve deposits and remove corrosion from the terminals.

To clean your battery terminals using baking soda, mix it with water to create a paste-like consistency. Apply this mixture onto the corroded areas and use a wire brush to scrub off the buildup.

The baking soda will react with the acid on the terminal’s surface, causing it to bubble away and loosen any rusted or corroded particles. This simple DIY approach is an excellent alternative for those who don’t have access to specialized battery terminal cleaners.


Water is a simple and readily available cleaning agent for battery terminals. It can effectively remove dirt and grime from the terminals, allowing for better electrical conductivity.

To clean your battery terminals with water, start by disconnecting the battery cables. Then, use a small brush or cloth soaked in water to gently scrub away any corrosion or buildup on the terminals.

Once clean, dry the terminals thoroughly before reconnecting the battery cables. Regular maintenance using water is an easy and inexpensive way to keep your car’s battery in good condition.

Effectiveness of Pepsi in Cleaning Battery Terminals

Pepsi can be surprisingly effective in cleaning battery terminals. Its acidic properties help dissolve deposits and remove corrosion from the terminals. When poured over the corroded areas, Pepsi starts to bubble away, loosening rusted particles and allowing for easier cleaning.

Using a wire brush or toothbrush, you can scrub off the remaining corrosion and dirt. While water may seem like the obvious choice for cleaning battery terminals, Pepsi offers an alternate approach that can be just as effective.

Proper Steps to Clean Battery Terminals

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To clean battery terminals, start by disconnecting the battery cables and applying a cleaning agent such as Pepsi or baking soda. Scrub off corrosion with a wire brush and dry the terminals before reconnecting the cables.

Read on to learn more about safely maintaining your car battery.

Disconnecting the battery cables

To properly clean battery terminals, it is important to start by disconnecting the battery cables. This step ensures your safety and prevents any electrical shocks while working on the battery.

Simply locate the negative (-) and positive (+) terminals, and use a wrench or pliers to loosen and remove the cable clamps from each terminal. Be sure to remove the negative cable first, followed by the positive cable.

By disconnecting the battery cables before cleaning, you create a safer environment for handling corrosive substances such as Pepsi or other cleaning agents.

Applying the cleaning agent

To clean battery terminals, one method is applying a cleaning agent. One option that can be used is Pepsi or any other cola. The acidity in the soft drink helps dissolve deposits and remove corrosion from the terminals.

Simply pour some Pepsi over the terminals and let it sit for a few minutes to allow it to bubble away at the rusted and corroded areas. Afterward, use a wire brush to scrub off any remaining residue.

Scrubbing off corrosion

To effectively clean battery terminals, one important step is to scrub off corrosion. Corrosion can build up on the terminals over time, hindering the flow of electricity and affecting the performance of your car battery.

Using a wire brush or a specialized battery terminal cleaning tool, gently scrub away the corrosion until the metal beneath is visible. This helps to ensure proper contact between the terminals and cables and promotes better overall performance of your car’s electrical system.

Regularly removing corrosion from your battery terminals is an essential part of battery maintenance.

Drying the terminals

To properly clean battery terminals, it is important to dry them thoroughly after removing the corrosion. Moisture can lead to further corrosion and electrical issues if left on the terminals.

After scrubbing away any rust or buildup, you can use a cloth or paper towel to wipe down the terminals and ensure they are completely dry. This step helps maintain the integrity of your car battery and prevents future problems.

Reconnecting the battery cables

To reconnect the battery cables, start by identifying the positive and negative terminals on your car battery. The positive terminal is usually marked with a plus sign (+), while the negative terminal is marked with a minus sign (-).

Take the red (positive) cable and attach it to the positive terminal of the battery. Make sure it is securely fastened by tightening any screws or clamps that may be present.

Then, take the black (negative) cable and connect it to the negative terminal of the battery in a similar manner.

Once both cables are securely attached, you can move on to other necessary steps for maintaining your battery.

Safety Precautions When Cleaning Battery Terminals

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Safety is of utmost importance when cleaning battery terminals to avoid any accidents or injuries. Always ensure that you wear protective goggles and gloves to protect your eyes and hands from any potential harm.

Before starting the cleaning process, make sure the car engine is off and the keys are removed from the ignition to prevent any accidental starts. Furthermore, it is crucial to disconnect the negative terminal first before removing the positive terminal.

This prevents electrical shock or short-circuiting. Additionally, be cautious not to touch both terminals simultaneously with a metal object as this can cause sparks or even explosions due to residual charge in the battery.

Lastly, avoid using excessive force or aggressive scrubbing motions when cleaning as this can damage the terminals or break them off entirely.


In conclusion, while Pepsi may be a popular choice for cleaning battery terminals due to its acidity, it is not the most effective solution. Baking soda and water are safer options that can also dissolve deposits and remove corrosion.

Remember to take proper safety precautions when cleaning battery terminals to avoid any accidents or damage to your car’s electrical system.