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How to revitalize a lead-acid car battery

By following these steps, you can ensure that your battery is working at its best and is ready to start your car when you need it.

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Revitalizing a lead-acid car battery is a simple process that can help prolong the life of your battery and save you money in the long run.

Especially in Zambia car battery prices have skyrocketed into thousands of kwachas. So every extended hour of the battery should count.


Warning: You should always wear safety equipment such as gloves, goggles, and masks while working with a lead acid battery since the acid inside the battery can be harmful if it comes in contact with skin or eyes.


By following these steps, you can ensure that your battery is working at its best and is ready to start your car when you need it.

Step 1: Clean the battery terminals and cables

The first step in revitalizing your lead-acid car battery is to clean the battery terminals and cables. Over time, dirt and corrosion can build up on the terminals, which can affect the performance of the battery.

To clean the terminals, mix a small amount of baking soda with water to create a paste. Then, use a toothbrush or wire brush to scrub the terminals and cables. This will remove any dirt or corrosion and help to improve the battery’s performance.

Step 2: Charge the battery

Next, you’ll need to charge the battery using a car battery charger. Make sure the charger is set to the correct charging rate, which is usually around 10 amps for most car batteries. Let the battery charge for at least 24 hours, or until the charger indicates that the battery is fully charged.

Step 3: Check the battery’s voltage

Once the battery is fully charged, turn off the charger and disconnect it from the battery. Then, check the battery’s voltage using a multimeter. A fully charged 12-volt lead-acid battery should read around 12.6 volts. If the voltage is below 12.4 volts, the battery may be sulfated and may require further charging or rejuvenation.

Step 4: Repeat charging if necessary

If the battery voltage is low, repeat steps 2 and 3. If the battery voltage is still low after several charging cycles, the battery may be damaged and may need to be replaced.

Step 5: Maintain the battery

To maintain your battery, you should try to keep it as close to fully charged as possible, and avoid letting it sit in a discharged state for long periods of time. This will help prolong the life of your battery and save you money in the long run.

Safety Precautions:

It is important to note that you should always wear safety equipment such as gloves, goggles, and masks while working with a lead acid battery since the acid inside the battery can be harmful if it comes in contact with skin or eyes.

By following these simple steps, you can revitalize your lead-acid car battery and ensure that it is working at its best. This will help prolong the life of your battery and save you money in the long run.

If you have any questions or need further assistance, please consult with a professional mechanic or contact the manufacturer of your battery.

Also: How much battery water and acid should i mix into my car lead acid battery

By lensesview

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