Do You Need a Special Charger for Golf Cart Batteries?
The charger you need for your golf cart batteries entirely depends on your battery type and the voltage of that battery. Some chargers, however, can have their profiles changed and work for different types of batteries.
For example, lithium batteries may require different chargers than lead-acid batteries because their electrochemistry is quite different. A good battery charger will ensure that each battery cell charges succinctly with one another. It will also ensure that the battery doesn’t overcharge and receives proper amperage.
Thus, there isn’t a specific charger for golf cart batteries. It really depends on the batteries that are powering your golf cart. In fact, any charger designed for the battery type used can be used on a golf cart. However, there are lots of manufacturers that market them for golf carts specifically.
How Many Amps Do You Need to Charge a Golf Cart?
While there’s no set number of amps you need to charge your golf cart, the amperage your batteries can handle is influenced by the type of batteries you have. The term “amperage” measures the current of electricity or how fast the electrons are flowing. Thus, the number of amps a battery charger emits directly relates to how quickly the battery charges.
Because of their advanced electrochemistry, lithium batteries can charge much faster than lead acid. A 100Ah lead-acid battery is usually specified to be charged at around 25 amps (25% battery capacity) for the first 70% of the current needs to be dropped and voltage needs to be held constant for the rest of the charge.
If you attempt to charge too fast all the way to full lead acid, batteries will get damaged. This is why you see “smart” chargers that make this change and watch the battery voltages carefully.
Lithium batteries can simply handle more current without being damaged and charge all the way without the need to drop current. This means they can charge fully about 5 times faster.
Is a Lithium Battery Better for a Golf Cart?
Because of the way golf carts are used, lithium batteries provide far superior performance and lifespan compared to lead acid for many different reasons.
First, they weigh one-third less than their lead-acid counterparts while providing up to 100% more power. This is because lithium batteries are the most energy-dense battery on the market right now.
They also have extremely fast charging speeds, meaning you won’t have to leave your golf cart hooked up for very long before you can use it again. We’re talking about three hours compared to eight hours or more for lead acid.
You can also discharge your lithium batteries up to 99% without damaging them, versus only 50% for lead-acid batteries. This means that you can use nearly 100% of the energy stored in your lithium batteries.
How Far Do Lithium Batteries Go in a Golf Cart?
The range you can travel in a golf cart will depend on both the type of batteries you have and the amp hours of your batteries. For example, most new lead-acid 36V batteries will provide around 30 miles range (this drops with older batteries). A like-for-like comparable lithium battery pack will provide around 100 miles! Because of this, many times, smaller lithium packs are installed in golf carts to save money and still get all the benefits.
Should I Leave My Golf Cart Plugged in All the Time?
If you have the correct battery charger for your batteries, leaving your golf cart plugged in shouldn’t cause any issues. You need a charger that is “smart” and will stop charging when the batteries are full. These smart chargers also go into a trickle charge mode that charges very slowly to prevent drain.
Can You Overcharge Your Golf Cart Batteries?
Again, the appropriate battery charger should shut off before it overcharges the battery. However, if you have the wrong charger, you could risk overcharging and thus overheating your batteries. This will most certainly damage lead acid batteries, but it could also be extremely hazardous and cause a chemical fire.
Is a Battery Charger for a Golf Cart Necessary?
Absolutely! Not only is a battery charger for a golf cart necessary, but the right battery charger and battery setup can make all the difference.
If you want to get rid of battery anxiety, trust your golf cart to take you where you need to go, and reap the benefits of reliable, fast charge-ups, lithium batteries are a must. Then, pair your lithium battery with a compatible onboard charger, and you won’t have to think twice about your batteries again. Charge your golf cart anywhere there’s AC access and be on your way!
