What happens when car battery runs out of water

Car batteries are one of the most essential components of a car. They provide the initial spark necessary to get the car’s engine running and also keep various electrical components powered. However, just like any other component of a car, batteries too, require proper maintenance to function correctly.

The majority of car batteries available in the market are filled with dilute sulfuric acid, which is a highly corrosive substance that can damage metal parts if mishandled. Batteries lose water due to various reasons, such as evaporation caused by overheating or prolonged use. A car battery with low water levels can have a severe impact on its performance and overall lifespan.

If you notice that your car battery is running out of water, it’s crucial to address the issue as soon as possible, as it can cause a lot of problems down the line. In this article, we will explore what happens when your car battery runs out of water.

What Happens When Car Battery Runs Out of Water?

The Battery Stops Functioning Properly

Car batteries need water to function properly. Without water, the battery will stop functioning effectively because the electrolyte becomes weaker, and this affects the battery’s performance. When there’s insufficient water, the battery produces less electrical energy and cannot provide the car’s electrical components with the power they require.

The Battery’s Plate Begins to Corrode

When water is scarce, the possibility of the battery plates corroding is high. The battery’s plates are essential components that function as a conductor for the electrolyte. When they corrode, it becomes challenging for the electrolyte in the battery to flow, and the battery begins to die eventually. It is incredibly costly to replace corroded battery plates; thus, it is crucial to keep the battery fully charged with the right amount of water.

The Battery’s Life Span is Reduced

Suppose the car battery runs out of water frequently. In that case, the battery’s lifespan is affected and reduced significantly. This is because the battery will keep developing faults, which will cause it to break down finally. So, it’s essential to keep topping your battery regularly with water to increase its longevity and performance, preventing you from spending more money on purchasing a new battery.

• Always ensure that the battery water level is between the maximum and minimum levels.
• Use distilled water instead of tap water to fill the battery.
• When filling the battery with water, ensure that you don’t go above the maximum water level.
• It’s crucial to check your battery’s water level every month or after every 10,000 km.

Consequences of Low Water Level in Car Battery

1. Reduced Battery Life

A low water level in a car battery can reduce its lifespan. The reason for this is that the battery plates are not fully submerged in the electrolyte solution, which can cause them to become damaged over time. This damage can result in a shorter battery life than normal.

2. Poor Battery Performance

Another consequence of low water level in a car battery is poor performance. The battery may not produce enough power to start the car or to power its electrical components, resulting in a weakened performance. This can be especially problematic during extreme weather conditions, such as cold winters or hot summers, where the battery has to work much harder than usual.

3. Risk of Battery Failure

A low water level in a car battery can also increase the risk of battery failure. As the water level drops, the electrolyte solution becomes more concentrated. This can cause the battery to overheat, which could lead to a variety of problems, including acid leaks, internal damage, and reduced battery life.

4. Increased Maintenance Costs

If a car battery runs out of water regularly, it may require more frequent maintenance as a result. This can result in additional costs for the car owner, including battery replacement and repairs, which can quickly add up over time.

5. Safety Risks

Finally, a low water level in a car battery can pose safety risks to the driver and passengers. If the battery is not functioning properly, it may not be able to supply enough power to the car’s electrical components, which could result in a dangerous situation on the road.

It is important to regularly check the water level in your car battery and top it up as needed to avoid these consequences.

Signs of Low Water Level in Car Battery

Battery Warning Light

The most common sign of a low water level in a car battery is the battery warning light. This light is typically located on the dashboard of your car and will illuminate to warn you of a problem with your car’s battery. When the light comes on, it’s important to check the water level in your car’s battery to ensure it’s not too low.

Difficulty Starting Your Car

If your car is struggling to start, this may also be a sign of a low water level in your car’s battery. When the water level in your battery is low, it can often prevent your car from starting as the battery won’t have enough power to start your car’s engine.

Corrosion on Battery Terminals

Another sign of a low water level in your car’s battery is corrosion on the battery terminals. When the water level in your car’s battery is low, the acid in the battery can become more concentrated, leading to corrosion on the battery terminals over time. If you notice corrosion on your battery terminals, it’s important to have the battery checked to ensure it’s not running low on water.

Swollen Battery Case

If you notice that your car’s battery case is swollen, this may also be a sign of a low water level in your car’s battery. When the water level in the battery is low, the battery can become overheated, causing the case to swell. If you notice this, it’s important to have your car’s battery checked as soon as possible to avoid potential damage to your car’s battery and electrical system.

How to Check and Refill Water Level in Car Battery

Step 1: Safety First

The first step is to ensure your safety. Always put on gloves and safety glasses to avoid acid burns and potential battery explosions. You should also park your car on a flat surface and turn off the engine before proceeding.

Step 2: Open the Battery Caps

Next, locate the battery and remove the plastic caps covering the battery cells so that you can visually inspect the water level.

Step 3: Inspect Water Level

Using a flashlight, inspect the water level by looking inside the battery cells. If the water level is low, you can proceed to refill it. On the other hand, if the water level is high, you should avoid adding more water as it may lead to overfilling, which can damage the battery and reduce its lifespan.

Step 4: Refill the Battery

If the water level is low, refill the battery with distilled water. Using a funnel, slowly pour water into each cell until the water level reaches the bottom of the fill hole. Do not overfill the cells as this may cause the battery to leak or spill acid.

Step 5: Replace the Caps

Once you have refilled the battery, replace the plastic caps and make sure they are secured tightly to prevent any leaks.

Step 6: Charge the Battery

After refilling the battery, charge it to full capacity and make sure it is functioning properly. This will help to ensure that the battery is in good condition and that it will provide enough power to start your car when needed.

By following these simple steps, you can easily check and refill the water level in your car battery. Remember to always wear protective gear and handle the battery with care to avoid potential hazards.

Preventive Measures for Car Battery Maintenance

Regular Inspection

It is essential to inspect your car battery regularly to ensure that it is functioning correctly. The battery should be checked at least once a month, and you should look for any signs of damage or leakage. Inspect the terminals for any buildup of corrosion, as this can prevent the battery from working correctly.

Keep the Battery Clean

Keeping the battery clean can help prevent any damage or corrosion. Clean the terminals regularly with a mixture of baking soda and water. You can use a wire brush to remove any corrosion buildup. Be sure to wear safety gloves and glasses during the cleaning process, as the battery acid can be harmful.

Charge the Battery Regularly

Charging the battery regularly can help extend its life. If you do not plan to use your car for an extended period, it is recommended to remove the battery and charge it fully before storing it. A battery that remains discharged for an extended period can become damaged and decrease its lifespan.

Check the Water Levels Regularly

Checking the water levels in your car battery regularly is essential to maintain its performance. If the water levels are low, you can add distilled water to each cell. When adding water, be careful not to overfill, as this can cause the acid to leak from the battery.

Avoid Using Electrical Components when the Engine is off

Using electrical components such as the radio or lights when the engine is off can drain the battery. This is something to be mindful of, especially when parked for an extended period.

When to Replace Car Battery

1. Age of Battery

The age of the car battery is the most important factor in determining when you should replace it. On average, a car battery lasts anywhere between 3-5 years. After that, it starts losing its capability to hold a charge and eventually fails.

2. Slow Engine Crank

If your car takes a longer time to start and the engine cranks slowly, it’s a sign that the battery might be dying. You may also experience dimming headlights or other electrical problems. In such cases, it’s recommended to replace the battery as soon as possible to avoid any sudden breakdowns.

3. Corrosion on the Battery

Corrosion on the terminals of the battery or any other visible signs of damage such as bulges or cracks could indicate that you need to replace the battery. A corroded battery may not charge properly and could eventually cause damage to other electrical parts in your car.

4. Bad Smell or Leakage

If you notice a bad smell or leakage from the battery, it’s an indication that you need to replace it immediately. Leaking battery acid can be very dangerous, and corrodes many of the parts inside your car’s engine compartment.

Conclusion:

Replacing a car battery depends on its age and condition. It’s a good idea to test your battery’s performance and check for any signs of damage regularly. Most importantly, if you notice any of the above symptoms, it’s best to replace the battery as soon as possible to prevent any further damage to your car.