How to Add Water to Golf Cart Batteries

By Bob Williams

August 7, 2023

Golf carts are a great way to get around, but they need proper maintenance in order to keep running properly. Adding water regularly is one of the key steps in keeping your golf cart batteries healthy and ready for use.

In this post, we’ll walk you through how to properly add water to golf cart batteries so that you can ensure that yours always have enough liquid power! Keep reading on for all the tips and tricks that will help you stay one step ahead of an unexpected battery shortage while out on the green.

Identify the type of battery in your golf cart

As a golf enthusiast, it’s important to know the ins and outs of your cart, including the type of battery powering it. There are a few different options when it comes to golf cart batteries, such as lead-acid or lithium-ion.

Lead-acid batteries are the traditional choice, known for their affordable price and reliable performance. However, lithium-ion batteries are gaining popularity due to their longer lifespan and lighter weight, making them a great option for those looking to upgrade their cart. Whether you are a seasoned golfer or just starting out, knowing your cart’s battery type can help you make informed decisions about maintenance and upgrades.

Remove the golf cart battery terminal caps and check the water levels

Once you’ve identified the type of battery in your golf cart, it’s time to remove the terminal caps. These plastic caps help keep out dirt and debris, so make sure that you wear gloves when removing them, as they can be sharp and difficult to handle otherwise.

After taking off the terminal caps, check the water levels inside the batteries with a flashlight or other bright light source. Add distilled water until it reaches about 1/4 inch above the lead plates within each cell if necessary.

Fill each cell of the battery with distilled water, and ensure that the electrolyte fluid is just below the plates

To ensure that your battery functions properly, maintaining the right electrolyte fluid level is important. One way to do this is to fill each cell of the battery with distilled water. But don’t pour in too much!

You’ll want to make sure that the fluid level is just below the plates. This will help your battery work efficiently and last longer.

So the next time you’re working with a battery, remember to take care when adding fluid. A few simple steps can go a long way in keeping your equipment running smoothly.

Replace the terminal caps after refilling

One thing that often gets overlooked is the importance of replacing terminal caps after refilling your battery. These small pieces play a big role in protecting the battery from damage and preventing dangerous leaks. Neglecting to replace them after a refill can lead to corrosion and even premature failure of your battery.

Stay on top of your battery maintenance by making sure to replace those terminal caps every time you refill, your vehicle (and wallet) will thank you in the long run.

Repeat this process for each battery in your golf cart

Maintaining your golf cart is essential to prolong its lifespan and keep it running smoothly on the green. If your cart uses multiple batteries, it’s important to repeat the maintenance process for each one to ensure optimal performance. This means checking the water levels regularly, cleaning the battery terminals, and inspecting for any damage or leaks. By staying on top of your golf cart battery maintenance, you can avoid unexpected breakdowns during your weekend rounds and extend the life of your trusty golf companion.

Use a hydrometer to measure battery acidity

One way to test the acidity of your battery is by using a hydrometer. This device measures the specific gravity of the electrolyte solution within the battery, allowing you to determine whether the acid level is too high or low. Regular readings with a hydrometer allow you to keep your battery in optimal condition and avoid issues such as stalling, hard starts, and other mechanical problems. So, next time you’re checking your car’s battery, consider using a hydrometer to get a more accurate reading of its acidity.


Maintaining the correct battery level in your golf cart is vital to its performance. Without proper maintenance, you may find yourself dealing with poor performance, unexpected trips to the repair shop, and shorter life expectancy.

Filling the cells of your battery with distilled water and regularly checking your electrolyte levels is an important part of keeping your carts battery functioning properly. It can also go a long way toward avoiding any surprises when it comes time for a critical charge. Don’t forget to use a hydrometer to check the acidity of the fluid as well – because this can increase or decrease very quickly if not monitored properly. Taking care of your battery will ensure that you get many years of satisfactory driving from your golf cart.

Frequently Asked Questions(FAQs)

Q: How often should I add water to my golf cart battery?

A: This depends on your battery type and how frequently you use it. Generally, however, it’s recommended that you check and refill your batteries every three months or so – more often if your cart is used regularly.

Q: What type of water should I use to fill my golf cart battery?

A: Distilled water is best for filling any car battery, as it contains no minerals or impurities that can damage the cells. Tap water may be safe sometimes, but always check with your manufacturer before using it.

Q: Can I overfill my golf cart battery?

A: Yes, it is possible to overfill your golf cart battery. Ensure that the fluid level reaches just below the lead plates inside each cell and avoid spilling any excess water, as this can cause damage to the cells.

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