Do Lead-acid Batteries Need to Be Refilled With Acid Regularly?

Lead-acid batteries do not typically need to be refilled with acid regularly. However, they do require regular maintenance to ensure optimal performance and longevity.

One of the primary maintenance tasks for lead-acid batteries is checking and topping up the electrolyte level with distilled water. This is because the electrolyte in lead-acid batteries is a mixture of sulfuric acid and water, and over time, the water component can evaporate, leaving the acid concentration too high.

It is important to note that only distilled water should be used for topping up the electrolyte, as tap water or other types of water can contain impurities that can damage the battery.

In addition to topping up the electrolyte, it is also important to regularly check the battery’s terminals and connections for signs of corrosion, and to clean them as needed.

Overall, while lead-acid batteries do require some maintenance, they do not need to be refilled with acid regularly.


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