How To Read A Golf Cart Battery Charger

how to read a golf cart battery charger

The majority of people like to use golf carts for playing golf, but they are unaware of some of their features and uses. If someone is not familiar with the golf cart battery charger’s services or how it works, you will find out the details here.

We will try to cover every detail related to the features, uses, and benefits of the golf cart battery charger and how you can read it.

How to Read a Golf Cart Battery Charger

To determine whether your cart batteries are the culprit or not, you will be required to take a digital test. It will help you to read and test every single battery. You have to charge your cart entirely before you test the batteries.

Keep testing your volts after every fifteen minutes when the Charger is running. Once you start to see the same voltage, again and again, it will show that up to what extent your batteries’ voltage will rise. It may give you a clear idea about how well or bad are your batteries.

If you have a six-volt battery with a thirty-six volts system, you will want to check the readings of around 6.2 or 6.3 volts for each battery. If the results show something like, on a six-volt golf cart battery, it offers four-volt charges; it merely means you have a bad battery. It would be best if you replaced that battery as soon as you can.

One battery can affect the performance of the entire set to turn down. If you have a system with eight batteries in a forty-eight-volt system, you will be required to check the readings around 8.2 or 8.3 volts for each battery. If it shows something like a six-volt charge on an eight-volt battery, that means you have a bad battery. It would be best if you replaced that battery.

What To Do When Charge Batteries Do Not Work?         

Once you have charged your batteries and you see that they do not seem to be working even after a full charge, what should you do? First, you need to check every connection, whether it is working or not. Ensure that each cable of the battery is wired correctly.

Now you need to check all the cables are perfectly fit against the battery terminals and are not corroded or rusted. If the connections are bad, it may cause the battery charger to misfunction. Once you have charged the batteries and checked all connections but still facing issues, it may only mean that your golf cart battery charger has some problem.

In this case, you are required to either get some services or replace your golf cart battery charger and get a new one.

How To Identify Whether It’s A Battery Issue or Charger Issue?

Most of the time, it is a battery issue. The simplest way to determine whether you have a charger issue is by checking your Charger in another cart. You may also test another cart’s Charger in your cart to understand better whether the problem is with Charger or battery.

How to Identify the Symptoms of Bad Golf Cart Charger?

Most of the time, the Charger and batteries are both not working, and sometimes each of them doesn’t work. But we are unable to figure out whether the problem is with Charger or with the batteries.

Generally, suppose the Charger doesn’t start working after you have kicked on or doesn’t show any signs of life after you plugin into your cart. In that case, it will likely be a battery problem.

When we talk about Charger, when you kick on the Charger to start it, and it kicks off soon after some time, it means there is an issue with the Charger. If there is a loud clicking noise coming out from the Charger, that means there is some battery charger problem.

If the Charger doesn’t turn off or doesn’t stop charging, that simply means there is some battery charger problem as the internal brain contains a defect.

How to Identify Whether the Golf Cart Batteries are Completely Charged?

If you charge your batteries, once done with charging, you unplug it, then your plugin again, and it starts charging for a further thirty minutes or more. Is it a regular thing? The answer is Yes, but if you use a Lester battery charger. It means that the batteries are fully charged, and it is quite normal.

Each time you plug in an automatic battery charger, it will show a sampling to receive a reading of the batteries’ voltage. Amps will shoot up for some time, but it will drop down quickly after some time to low single digits. It is quite its standard.

When you plug in the Charger, it doesn’t know immediately that you have just charged the golf cart and that volts are high. The Charger itself checks them.

How To Read A Golf Cart Battery Charger

Can You Charge Batteries in Low Voltage?

Unfortunately, you cannot charge your batteries if the voltage is not the required intensity. Automatic chargers are unable to charge batteries that are entirely dead or discharged. To charge batteries, they require a minimum number of volts.

Minimum, it needs around twenty to twenty-five volts across the set for a thirty-six-volt golf cart. And a minimum of thirty to thirty-five volts for a forty-eight volts golf cart.

Is it Fine to Leave Batteries Plugged in for a Long Battery Life?

Luckily, you can plug in your batteries to let it charge up to that extent when you can use it as long as required without worrying about battery life. All the automatic chargers are built to allow you to charge until they are fully charged, and once done, it will stop by itself.

There is no need to worry that your batteries may get overcharged or have to unplug them manually to prevent them from overcharging. Lester chargers are designed with several numbers of internal mechanisms for safety which ensures that they won’t overcharge the batteries.

Is it Good or Bad if the Charger Makes Noise?

If your Charger is creating a lot of noise that bothers you, you need to bear it. The noise is a good indicator that your Charger is working in fair condition. It also allows you to keep in check that you have put the batteries on a charge with its buzzing noise.

What to do if the Charger gets heated?

It is quite normal if the Charger gets a little warm or even hot while charging. It is just a little indicator that it is working. At times there may be some bad smell as well. That depends on the Charger of the battery and when it is being run.

The Charger may get heated from time to time depending on how far the batteries were uncharged and how long it takes to charge the batteries fully. But keep a few points in mind to prevent the Charger from overheating.

  1. Ensure that the cable connections of your batteries are correct, tight, and clean. Wrong links cause Charger to overheat or overwork.
  2. Ensure that there is an adequate water level in the batteries.
  3. Never use an extension cord. If there is no other way, then you must use a heavy-duty extension cord. A cheap cable may cause it to overheat.
  4. Allow the Charger to breathe and ensure that it is placed on a hard surface. Most preferably on the floor of the garage.

After applying all these practices, if the Charger still stays hot and always gives a foul odor. Then you have to contact the manufacturer and confirm that everything is working correctly or not.

What does the Red Light Indicate on Battery Charger?

When we talk about battery chargers, every golf cart is different from others concerning lights of indicators. But in most cases, red light shows the sign of alerting that something may be wrong with the Charger. In most cases, it means that there is not enough voltage available to charge the batteries.

However, sometimes it indicates that there may be some internal charger failure. In this situation, you need to get it serviced or replaced.


We have discussed how to read a golf cart battery charger and some of the common signs when there is something wrong. Most of the time, you may feel like there is something wrong with the Charger, but the Charger is suitable. Instead, batteries are faulty, and vice versa.

We have tried here to answer all the possible details and solutions to the most common problems that happen with almost every golf cart battery charger. Hopefully, you may find it useful.

Willie R. Yother

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