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what would cause a golf cart battery post to melt off

by Ms. Barbara Raynor IV Published 2 years ago Updated 1 year ago
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The terminal of a golf cart battery will usually melt when connections become loose or dirty. To avoid terminals melting, ensure you use the correct size wires, and that limps, nuts and bolts are tightened securely. The terminal post of the golf cart battery is attached with the cable using a stainless steel.

Often, the bolt portion of this post melts down due to heat and breaks off. The number one cause of this issue is due to loose or corroded connections. No matter how tight you get your connections, they will eventually loosen due to the expansion and contraction which occurs through use.Jul 30, 2013

Full Answer

Why are my golf cart battery cables melting?

A poor contact connection or a missing ground strap between the chassis and the engine may also result in the melting of your golf cart battery cables. Alternatively, corrosion of either of the above two can also be a reason for the battery cables to melt. A third reason is that the motor of your golf cart has a bad starter.

How do golf cart batteries work?

The terminal post of the golf cart battery is attached with the cable using a stainless steel. The post is associated with the cell plates of the golf cart’s battery. This helps in the transferring of power from battery to the engine of the golf cart.

How do you keep battery posts from melting on a golf cart?

To ensure that your battery posts don’t melt, replace the low-quality cables with cables that have at least 4 Gauge thickness and are specifically intended for golf carts. Dust or dirt accumulation on battery terminals can make the batteries operate at less than the expected efficiency.

What happens if you tighten golf cart battery terminals too much?

Each golf cart battery terminal has a resistance power and cannot cover more. Any excessive heat can quickly destroy the connection and terminals. On the other hand, if you end up tightening the connection more than what is required; you’re actually stretching the threads and pulling the posts out of the leads.

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What causes battery post to melt on golf cart?

The main reason why golf cart battery cables will melt is because of too much current passing through the jumper cable; resulting in overheating and melting. A poor contact connection or a missing ground strap between the chassis and the engine may also result in the melting of your golf cart battery cables.

What causes battery posts to melt?

High resistance and high current flow will cause battery terminals to melt. When electrons are restricted to pass through, it will create heat. Depending on the amount of resistance buildup near battery, that much heat will be generated. Resistance can be too high to the point that terminals can melt.

How do you fix a melted battery post?

5:477:06Melted Battery Terminals - YouTubeYouTubeStart of suggested clipEnd of suggested clipPut you don't need a lot just a couple just a drop or two put it up into that battery terminal andMorePut you don't need a lot just a couple just a drop or two put it up into that battery terminal and tighten it down and don't over tighten it but get it good and snug.

Why do my golf cart battery terminals corrode?

The recharging process of batteries produces gassing as a result of the breakdown of oxygen and hydrogen gas. This is the primary factor that causes corrosion on your battery cables, terminals, and other battery related metal parts.

Why is my golf cart battery smoking?

The average cart is powered by lead acid batteries which are positioned underneath the seat. It isn't uncommon to fold back the seat of the cart and find all 6 batteries desperately in need of fluid. When batteries run dry, they can smoke and even explode.

Why are my battery cables smoking?

There is a faulty, high resistance (often due to corrosion, wire defect or break or loose mechanical connection) connection at the battery post and/or at the vehicle ground(s) at the frame.

Can you replace battery terminal post?

4:279:56How To Replace Car Battery Posts/Terminals & Wires - YouTubeYouTubeStart of suggested clipEnd of suggested clipThe bad control terminal posts were so destroyed and corroded I just have two new ones they'reMoreThe bad control terminal posts were so destroyed and corroded I just have two new ones they're actually really inexpensive. You can get them online or any auto park auto.

Can I solder battery post?

Using the iron heat up the terminal of the battery and apply solder, you don't have to heat the battery terminal all the way up to solder melting temperature, you can just use the iron to melt the solder. The solder should pool on the terminal, if it doesnt you need to rough it up more, and try again.

Why does my positive battery cable get hot?

The two main reasons why both battery cables would get hot are due to high resistance and high current. High resistance causes the electrons to flow more slowly through the wires, which generates heat. High current causes more electrons to flow through the wires, which also generates heat.

What causes excessive corrosion on battery terminals?

The most common cause of battery terminal corrosion is hydrogen or electrolyte leakage from the battery. It can also be caused by an alternator slightly overcharging the car battery over a long period of time. Chemical reactions with copper clamps are not rare either.

Does battery corrosion mean bad battery?

In fact, corroded battery terminals are one of the most common causes of electrical problems and decreased battery performance in cars. But just because corrosion is common, it doesn't mean you should settle for poor battery performance.

What causes corrosion on positive battery terminal?

Corrosion around the positive terminal is generally believed to be the result of overcharging from the alternator.

What causes a positive battery terminal to get hot?

The two main reasons why both battery cables would get hot are due to high resistance and high current. High resistance causes the electrons to flow more slowly through the wires, which generates heat. High current causes more electrons to flow through the wires, which also generates heat.

What causes battery cables to overheat?

0:502:14What Causes an Overheated Terminal? - YouTubeYouTubeStart of suggested clipEnd of suggested clipOne is excessive current goes through the terminal. Until the point where it breaks down and now youMoreOne is excessive current goes through the terminal. Until the point where it breaks down and now you have low current going to the terminal because you have a huge voltage drop what could cause

What would cause my jumper cables to melt?

The single most common reason for melted jumper cables is a misaligned connection. When connecting jumper cables from one car battery to the other, you must make sure that the cable's clamps are connected to the corresponding terminals on the battery.

Why is my starter wire getting hot?

A shorted starter will cause the cables, terminals, and the starter to get very hot (may cause fire). A shorted starter will draw too much current, and be weak, but cause the cables to get very hot.

Why do golf cart batteries melt?

Why Do Golf Cart Battery Terminals Melt. The terminal of a golf cart battery will usually melt when connections become loose or dirty. To avoid terminals melting, ensure you use the correct size wires, and that limps, nuts and bolts are tightened securely.

What does it mean when a golf cart battery is melted?

Melted batteries are signs that the user has failed to take proper care of the battery. Checking the cable connections from time to time, or working on the water level of the batteries are some points which the users have to check at regular intervals. While purchasing the golf cart or its battery, the manufacturer will introduce some maintenance tips to the buyers.

Why does water boil in golf cart batteries?

Why Water in Wet-Cell Batteries Keeps Boiling While Charging. There are multiple reasons for the water in wet cell batteries to boil. Sometimes, you may have more water in your golf cart batteries than what is needed. According to some studies, there should be a gap of ¼ inch above the plates.

How to keep a golf cart battery from overheating?

The golf cart battery needs some space to breathe. Ensure wires are free of its surroundings and lay the charger flat on a hard surface. Failing to create a good environment for the battery will likely cause overheating.

How far should the battery be from the plate on a golf cart?

According to some studies, there should be a gap of ¼ inch above the plates. Sometimes, your golf cart batteries are old and worn out. Such batteries fail to work efficiently and will eventually die. These factors will force your charger to add more pressure on the batteries to get them completely charged.

How much torque does a golf cart battery need?

According to the majority of the golf cart battery manufacturers, the torque required falls between 85 to 100 and 5-inch pounds.

Why is my charger hot?

First of all, ensure that the battery cables are correctly connected. A bad connection can cause the battery to become overheated, which will make the charger hot too.

How to tell if a golf cart battery is bad?

Initial Crank: Another sign of a short or bad battery is when your golf cart is slow to crank or turn over. A short in the plates will not allow the golf cart battery to maintain the appropriate amount of voltage needed to properly start the golf cart

What causes hydrogen gas in golf cart batteries?

Lack of appropriate ventilation can cause hydrogen gas produced by the golf cart’s batteries during charging to leak into the home and cause illness or even death for you and/or your family

Why is my battery leaking?

Leaking: If you notice your batteries are leaking an abnormal amount of battery acid, it could be caused by an increase in swelling in the batteries from an overproduction of hydrogen gas and overheating, causing the battery acid to seep out and onto the lid

Why does my battery smell like it's burning?

Odor: You notice a smell like something is burning, this could indicate that the batteries and battery charger are overheating and causing the plastic to melt

Why is it important to keep up with the maintenance of a golf cart?

It is important to remember that even though having a battery operated golf cart does not require as much maintenance as a gas powered golf cart, they do still require some and it is important to keep up with the maintenance in order to reduce the risk of an explosion. Overheating creates the perfect environment for a possible explosion as it allows for more production of hydrogen gas, a highly combustible fume created by batteries.

How many batteries are in a golf cart?

There are generally 4-6 batteries in a single pack on a golf cart and even one bad battery can result in the entire pack blowing up; but why do they blow up?

Why do golf cart batteries need vents?

Golf cart batteries require a vent in order to release the gases and fumes that form inside the pack, if the vent plugs or caps become clogged or blocked from dirt, corrosion, or dust, the accumulation of hydrogen gas is highly combustible. The smallest spark anywhere near the golf cart batteries during this clogging issue can cause the battery pack to blow up. Be sure to keep the battery vent plugs or caps clear and to always remove the vent plugs while charging a flooded battery. In order to properly keep your battery vents clean follow these steps:

Why is my battery post breaking?

Battery post breakage is due to the cable being not long enough to allow for expansion/contraction/movement/vibration. Especially with L posts. To solve this, make your cables a couple inches longer and bend them to an

Why does my AGM battery bowed?

For this to happen, pressure had to have built up inside from excessive heat boiling the electrolyte; and when you let it sit, the pressure had dropped and was now negative.

What does it mean when all batteries are the same?

If all of your batteries are the same type (AGM), the same age, and the same voltage (on the label, anyway; as you probably know, voltage decreases with age) and the same AH, and all your other batteries in the string are charging just fine, then I suspect you've got a weak battery. A voltmeter should tell you for sure.

What to do if battery overheats?

If ALL your batteries overheated, that would be my diagnosis, and the cure would be to take it off the charger at 100% (lead acid prefers to stay full, though, so not a perfect solution) or get a charger that floats at a lower voltage.

Why is my battery controller making a mess?

If the batteries are creating a mess all the time, the charge controller may be using too much voltage to charge the batteries.

Can you take your battery back to the place you got them?

If they are still under warranty, I believe you can take your batteries back to the place where you got them and get them replaced. It doesn't sound like you did anything wrong.

Do golf carts need distilled water?

Most golf carts chargers are for floodies, just like the automotive charging system. These vent themselves when they happen to overcharge a bit , and that is why we have to fill them with distilled water every so often . Maybe the chargers "top-up" is too much for the AGMs, just like it is in the automotive setting.

What causes a cable to short?

Loose cables can cause it, or a short somewhere.

Can you pull a truck out with a heavy gauge wire?

I've also quit crimping and started soldering all my heavy get heavy gauge wire terminals. If done correctly you could pull a truck out with it and the wire would nearly break before the terminal came off. it helps eliminate one more spot for a fault. I like to put mine in a bench vise hole up and fill till it overflows...use good resin too.

Can you solder a cable that gets hot?

The ends should be crimped. They can be soldered too. If the cable gets hot enough the solder will run out. It needs a good mechanical connection.

What to do after installing batteries in a golf cart?

After installing batteries in any equipment with vibration (especially golf carts and motorcycles), recheck the tightness of all the battery connections after the vehicle or device has had some use. If connections work themselves loose, tighten them. Battery connections need to be torqued to be appropriately tight.

Why does a battery terminal melt?

Melted battery terminal. Terminals on batteries can melt for a variety of reasons. The battery in the picture above accidentally had a tool or cable dropped on it. The terminal originally looked like this: New battery terminal. Not only did the terminal heat up enough to melt the lead capturing it, but the hot terminal then melted its way ...

What happens when a cable connection is loose?

When a cable connection is loose, that greatly increases the electrical resistance. Combine the large current are flowing out of the battery to power in this case an electric cart with increased resistance produces enough heat to melt lead.

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