How Do You Know When Golf Cart Batteries Are Dying? (9 Signs)

How Do You Know When Golf Cart Batteries Are Dying? (9 Signs)

In this article, we will explore nine common signs to help you identify when it's time to replace your golf cart batteries. We will also discuss whether to repair or replace the batteries and recommend Vatrer's golf cart lithium batteries if you choose to replace them with lithium iron phosphate (LiFePO4) batteries.


Golf cart batteries are essential for powering your golf cart and ensuring smooth rides on the course. However, like any other battery, they have a limited lifespan. It's important to recognize the signs that indicate when your golf cart batteries are dying or going bad. In this article, we will explore nine common signs to help you identify when it's time to replace your golf cart batteries. We will also discuss whether to repair or replace the batteries and recommend Vatrer's golf cart lithium batteries if you choose to replace them with lithium iron phosphate (LiFePO4) batteries.

test golf cart batteries

1. Longer Charging Time

If you notice that your golf cart batteries take significantly longer to charge than they used to, it could be a sign that they are deteriorating. For example, if it used to take 4-6 hours to fully charge your batteries, but now it takes 8-10 hours, it's an indication that the batteries are losing their capacity.

2. Decreased Driving Time

One of the most noticeable signs of dying batteries is a decrease in driving time. If your golf cart doesn't last as long as it used to on a single charge, it's a clear indication that the batteries are losing their capacity. For instance, if you used to be able to drive 18 holes on a single charge, but now you can only manage 9 holes, it's time to consider replacing the batteries.

3. Slower Acceleration

Deteriorating batteries can result in slower acceleration. If you find that your golf cart doesn't accelerate as quickly as it did before, it may be due to the weakening power output of the batteries. For example, if you used to be able to reach a certain speed within a few seconds, but now it takes noticeably longer, it's a sign that the batteries are struggling.

4. Leaking or Bulging Batteries

Inspect your golf cart batteries regularly for any signs of leakage or noticeable bulges on the battery casing. Leaking batteries or bulges indicate internal damage and are clear indications that the batteries need immediate replacement. If you notice any fluid leaking from the batteries or if the casing appears swollen or deformed, it's important to replace them as soon as possible.

5. Battery Terminal Issues

Ensure that the battery terminals are tightly connected. Loose terminals can cause issues and affect the performance of the batteries. Regularly check and tighten the connections to maintain optimal battery function. If you notice any corrosion or loose connections, clean the terminals and tighten them securely.

6. Acid Levels

If your golf cart batteries are sealed lead-acid batteries or have caps on the top, open them and check the acid levels. The cells inside should be adequately covered with clear fluid. If the acid levels are low, you may need to top them up with distilled water. Follow the manufacturer's guidelines for adding water and ensure that you don't overfill the cells.

7. Securely Fastened Connections

Check that all the links between the batteries are securely fastened. Loose connections can prevent the batteries from charging properly and may lead to performance issues. Ensure all connections are tight and secure. If you notice any loose or corroded connections, clean them and tighten them properly.

8. Decreased Power Output

Even when fully charged, if your golf cart doesn't have the same power it used to, it could be a sign of dying batteries. Diminished power output is a clear indication that the batteries are nearing the end of their lifespan. If you notice a significant decrease in power, such as struggling to climb hills or a noticeable decrease in speed, it's time to consider replacing the batteries.

9. Age

Consider the age of your golf cart batteries. They typically have a limited lifespan, usually around 4-6 years, depending on usage and maintenance. If your batteries are close to their warranty end date or have been in use for a long time, it may be time to consider replacing them. Aging batteries tend to lose their capacity and performance over time, and it's better to replace them before they fail completely.

Repair or Replace

If your golf cart batteries exhibit multiple signs of deterioration, it's generally more cost-effective and efficient to replace them rather than attempting repairs. While lead-acid batteries are common, upgrading to lithium iron phosphate (LiFePO4) batteries can offer several advantages, including longer lifespan, faster charging, and better performance. Vatrer's golf cart lithium batteries are a recommended choice for their reliability and quality.

Vatrer 36V 105AH Lithium Grade A Cells Iron Phosphate Golf Cart Battery

Vatrer 36V 105AH LiFePO4 Golf Cart Battery, a powerful and reliable solution designed to elevate your golfing experience. With its high-grade A cells and iron phosphate technology, this battery delivers exceptional performance and durability. Let's explore the features and benefits that make the Vatrer Golf Cart Battery the perfect choice for golf enthusiasts.

36V 105Ah golf cart battery

Long-Lasting Performance:

The Vatrer Golf Cart Battery is built with premium-grade A cells and utilizes iron phosphate technology. This combination ensures superior performance, allowing you to enjoy extended periods of uninterrupted golfing. With a voltage range of 36V-38.4V, this battery provides a consistent and reliable power supply, allowing you to focus on your game and not worry about losing power.

Waterproof and Maintenance-Free:

Featuring a P65 waterproof rating, the Vatrer Golf Cart Battery is designed to withstand various weather conditions. Whether you encounter rain or water splashes on the golf course, this battery remains protected, ensuring reliable performance. Additionally, the battery is maintenance-free, eliminating the hassle of regular maintenance and allowing you to maximize your time on the golf course.

Long Cycle Life and Warranty:

With a remarkable cycle life of 4000+ cycles, the Vatrer Golf Cart Battery is built to last. It can handle numerous charge and discharge cycles without experiencing significant degradation in performance, ensuring it serves you for years to come. To provide you with peace of mind, this battery comes with a 5-year warranty, demonstrating our confidence in its quality and durability.

Powerful and Efficient:

The Vatrer Golf Cart Battery is equipped with a built-in 200A BMS, ensuring optimal performance and safety. With a maximum power output of 7.68kW, this battery packs a punch, delivering the power you need for a high-performance golf cart. Additionally, the compatibility with the 438V fast charger allows for quick and efficient charging, minimizing downtime and maximizing your golfing experience.

Upgrade to the Vatrer 36V 105AH LiFePO4 Golf Cart Battery and experience reliable power, long-lasting performance, and worry-free golfing. With its high-grade A cells, iron phosphate technology, and 4000+ cycle life, this battery is built to enhance your golfing adventures. Trust in Vatrer to provide you with the reliability, durability, and power you need on the golf course.


Recognizing the signs of dying golf cart batteries is crucial for maintaining optimal performance and avoiding unexpected breakdowns on the course. If you observe longer charging times, decreased driving time, slower acceleration, leaking or bulging batteries, terminal issues, low acid levels, loosely connected links, decreased power output, or if your batteries are approaching their warranty end date, it's time to consider replacing them. Whetheryou choose to repair or replace, it's important to prioritize the functionality and longevity of your golf cart batteries. If you decide to replace them, consider upgrading to Vatrer's golf cart lithium batteries for enhanced performance and reliability. Regular maintenance and periodic battery checks will help ensure a reliable and enjoyable golfing experience.

Continue reading: 

1.  What You Should Know About Golf Cart Lithium Battery

2.  Top 5 Golf Cart Lithium Batteries

3.  Buying Guide: Golf Cart Batteries

4.  How to Test Golf Cart Batteries: A Comprehensive Guide

5. The Lifespan of Golf Cart Batteries: How Long Can They Last?

6. The Average Cost to Replace Golf Cart Batteries


To check the health of your golf cart battery, you can use a battery load tester or a voltmeter. Start by fully charging the battery, then disconnect any loads from it. Connect the load tester or voltmeter to the battery terminals and measure the voltage. A healthy battery should have a voltage reading close to its rated voltage. If the voltage is significantly lower, it may indicate a weak or dying battery.

The lifespan of golf cart batteries can vary depending on factors such as usage, maintenance, and battery type. Typically, lead-acid batteries used in golf carts can last around 4-6 years with proper care. However, lithium iron phosphate (LiFePO4) batteries have a longer lifespan and can last 8-10 years or more.

Several factors can contribute to the deterioration and premature death of golf cart batteries. Overcharging or undercharging the batteries, excessive heat or cold, improper maintenance, and deep discharges can all negatively impact battery health. It's important to follow proper charging procedures, maintain appropriate water levels (for lead-acid batteries), and avoid deep discharges to prolong battery life.

It is generally recommended to keep your golf cart plugged in when not in use, especially if you have a smart charger that automatically switches to a maintenance or float mode. This helps keep the batteries fully charged and prevents them from discharging too much. However, if you don't have a smart charger, it's important to monitor the charging process and avoid overcharging the batteries, as this can lead to damage.

Rejuvenating a golf cart battery can be challenging, but there are a few methods you can try. One method is called equalization, which involves applying a controlled overcharge to the battery to help break down sulfate crystals that may have formed on the plates. Another method is desulfation, which uses specialized desulfator devices or additives to dissolve sulfate buildup. It's important to note that these methods may not always be successful, and it's best to consult with a professional if you're unsure.

Yes, golf cart batteries can go bad if they are left sitting unused for extended periods without proper maintenance. When batteries are not in use, they can self-discharge, and if left discharged for too long, they can suffer from sulfation, which is the buildup of sulfate crystals on the battery plates. Regular maintenance, including periodic charging and proper storage procedures, can help prevent battery degradation while the cart is not in use.

Prices are updated in real time

Lithium Batteries Price List

Lithium Battery Model Price Discounted Buy link
12V 100Ah $328.99 Save $161.00 Shop Now
12V 200Ah Plus 200A BMS $587.99 Save $102.00 Shop Now
12V 300Ah $875.99 Save $64.00 Shop Now

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