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Why Won’t My Golf Cart Charge

11 Apr 2024
Why Won’t My Golf Cart Charge

Golf carts are an essential mode of transportation on the golf course, in communities, and for various other recreational activities. However, encountering issues with the cart's charging system can be frustrating and inconvenient. If you're facing the problem of your golf cart not charging, it's essential to understand the potential causes and solutions to get back on the road or course swiftly.

1. Battery Problems

The charging problem with your golf cart may stem from the batteries themselves. This issue might arise from aged or worn-out batteries, or from corrosion on the battery terminals.

Many people often misattribute charging problems to faulty chargers, when in fact, corrosion on the terminals is a primary cause of slow or non-existent charging.

what is battery terminal corrosion

Corrosion obstructs the flow of electricity from the charger to the batteries. Fortunately, this battery issue can be easily detected by examining the batteries under the seat.

Corrosion is easily visible and can be removed. To restore proper charging, I suggest starting by using a wire brush to eliminate excess buildup on the battery terminals. Once the majority of the corrosion has been brushed away, apply a small amount of baking soda and water mixture to each terminal.

It's important not to be alarmed by the hissing noise, as it is a normal indication of a chemical reaction occurring. The water and baking soda effectively remove any remaining corrosion, reaching even the most confined spaces between the battery cable and the terminal.

Finally, It’s always recommended wiping the tops of the batteries until they are clean and dry. This step is crucial for maximizing long-term battery health.

2.Charger Plug Issues with Golf Cart

The constant movement of golf cart charger cables and plugs can lead to loose wiring within the charger plug, causing difficulties in charging the battery bank. Luckily, repairing loose battery cables at home is possible, eliminating the need for professional assistance unless preferred. To restore the flow of electricity from the charger to the batteries, it's essential to tighten the plug connections.

To inspect the charger plug, start by disconnecting the power, removing the screws, and examining the internal wiring. While inside the plug, tighten the wires connecting to the charging pins before reassembling it and resuming the charging process.

3.Blown Fuse Troubles

Dealing with a blown fuse is another common issue with chargers. Fuses serve as protection against overloading, which can lead to long-term damage or battery failure. If the golf cart fails to charge, it's crucial to inspect the charger fuse after disconnecting the plug from the power outlet to avoid the risk of electrocution. Consult the battery charger's owner's manual for specific instructions on inspecting and changing the fuse, as the process may vary based on the manufacturer.

4.Charger Pins Maintenance

Upon close examination of a battery charger plug, pins are visible, playing a crucial role in the charging process. While not overly delicate, these pins are susceptible to bending or being pushed into the charger. If the charger plug pins are recessed, attempt to pull them back out using needle nose pliers. However, if the pins continue to retract, it may be necessary to replace the golf cart charger plug.

Replacement charger plugs are available online, but it's important to ensure that the new plug matches the golf cart receptacle for proper coupling.

5.Tripped Electrical Panel Breaker

One of the most noticeable problems associated with golf cart chargers is a tripped breaker within the electrical panel. When the circuit breaker trips, the charger loses power, resulting in a failure to deliver a charge to the batteries.

A clear sign of a popped panel breaker is the absence of lights on the charger, which typically indicate the charging process and a fully charged battery.

To address this issue, inspect the breaker panel for any tripped breakers and reset them if necessary. Once the breaker is reset, reconnect the golf cart charger to determine if it is now receiving power.

6. Low Water Levels in Batteries

Insufficient water levels in lead acid batteries are a common issue that hinders proper charging. Neglecting to monitor and refill batteries regularly can lead to decreased water levels.

To maintain properly filled golf cart batteries, establish a monthly maintenance schedule to check water levels and overall battery condition. Use only distilled water to refill the batteries, as tap water is not suitable for the required electrolyte reaction crucial to battery health.

It's essential to keep a supply of distilled water on hand at all times to ensure the batteries remain adequately filled. Additionally, inspect the battery housing for cracks that could cause continuous leakage, as cracked housing may necessitate the replacement of lead-acid batteries.

7.Low Battery Charger

Completely depleted golf cart batteries pose a significant obstacle to charging, as their low voltage prevents them from accepting a charge from the golf cart charger. Below is the battery charging voltage format for reference.

lithium battery charging voltage

It's crucial to avoid allowing the batteries to become completely drained, whether during extended storage or through driving until the charge is exhausted.

Trickle chargers offer a solution for reviving batteries with low voltage. To use a trickle charger, each battery must be charged independently to reach a base charge of 25-30 volts. A voltage tester can confirm when each battery has reached the minimum charge.

Once all batteries in the bank have reached the minimum charge, the golf cart charger will recognize the battery bank and continue charging until they are fully replenished.

8.Protected Lithium Golf Cart Battery with Battery Management System (BMS)

When dealing with lithium golf cart batteries equipped with a Battery Management System (BMS), it's important to consider the role of the BMS in the charging process. The BMS serves as a crucial safeguard, ensuring the safety and optimal performance of the lithium batteries.

In the event of a charging issue, such as failure to charge, it's essential to verify the BMS status. If the BMS detects any irregularities, such as overcharging, undercharging, or excessive temperature, it may prevent the batteries from accepting a charge from the golf cart charger. Suggest reading: Lithium Battery Not Charging? Troubleshooting And Best Practices

golf cart battery management system

Tired of Adding Water and Cleaning Corrosion? Upgrade to Lithium Golf Cart Battery

Tired of the hassle of constantly adding water and cleaning corrosion from your golf cart batteries? It might be time to consider upgrading to lithium golf cart batteries.

Lithium batteries offer several advantages over traditional lead-acid batteries. They are maintenance-free, eliminating the need for regularly adding water or dealing with corrosive buildup. With lithium batteries, you can say goodbye to the tedious maintenance tasks associated with lead-acid batteries.

In addition to being maintenance-free, lithium batteries are lighter, have a longer lifespan, and provide consistent performance throughout their charge cycle. They also charge faster and can be deeply discharged without harming the battery, offering enhanced reliability and convenience for your golf cart usage.

agm vs lithium golf cart battery

LiTime 48V 30Ah GC2 Lithium Golf Cart Battery

By upgrading to lithium golf cart batteries, you can enjoy a hassle-free and more efficient power source for your golf cart, allowing you to spend more time enjoying your ride and less time on battery maintenance.


Experiencing issues with your golf cart not charging can be a frustrating setback, but with the right troubleshooting steps and solutions, you can get back to enjoying your cart in no time. By understanding the common causes of charging problems and following the appropriate maintenance and replacement steps, you can ensure that your golf cart remains reliable and ready for your next adventure on the course or around your community.

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