Will a Car Battery Charger Charge a Leisure Battery 2022?

This post may contain affiliate links and we may earn a small commission when you click on the links at no extra cost to you. As an amazon affiliate, we earn from qualifying purchases.   Learn more from the privacy policy page

Will a Car Battery Charger Charge a Leisure Battery – If you own a car or other vehicle, then there is a good chance that you have had to replace your battery at one point in time. If this sounds like something that has happened to you, then this blog post may be of interest.

It’s important for drivers to know that not all batteries are created equal and it can be difficult for some people to tell the difference between the two unless they take the time to learn about them.

The main difference between these two types of batteries is their intended use – car batteries are used in cars while leisure batteries power things like boats, golf carts or lawnmowers.

A simple way for drivers who don’t know much about leisure batteries yet could be by looking at their size; leisure batteries are typically larger.

Will a Car Battery Charger Charge a Leisure Battery?

Yes, a car battery charger can be used to charge a leisure battery. However, it requires some modifications.

You need to disconnect the leisure battery from its circuit and use jumper cables to connect the positive and negative terminals of the car battery charger to the corresponding terminals on the leisure battery.

The jumpers may not always work because they may not be fully charged or there is something wrong with them; in this case, you’ll have to find other means of connecting both batteries together for charging purposes.

Do I Need a Special Charger For a Leisure Battery?

It’s not uncommon for people to ask us, “Do I need a special charger for my leisure battery?” The answer is no. Any charger will work as long as it can output the correct voltage and amps.

We recommend using chargers that are designed especially for RV batteries or other deep cycle applications like golf carts or boats. This ensures you’re getting the right charging profile and will generally last longer than your ordinary car charger.

How Do You Charge a Leisure Battery?

If you’re like most people, then you’ve had to charge your phone or laptop at some point. But how do you charge a leisure battery? Let’s explore the question together.

When it comes to charging your car battery, there are two common ways: with jumper cables or by using a charger.

If your car is running and if the cable connection is good, then all you need to do is connect the positive terminal on one end of the cable (red) to the positive terminal on the other end (red), and likewise for negative terminals (black).

The process can be done in reverse order as well –  just make sure that when connecting red clips with black clips that they don’t touch each other.

How Long Does It Take To Charge a Leisure Battery?

How long does it take to charge a leisure battery? It depends on the size of your battery. A 12-volt deep cycle marine/RV battery will take about 2-3 hours to fully charge, while an AGM or gel cell type may take up to 8 hours.

It’s best not to let batteries sit idle for extended periods because they do have a self-discharge rate, so you should recharge them after any break in use. If you are ever unsure about the state of your battery, just check with your charger manufacturer and find out what their recommendations are for charging time based on how old your battery is.

The good news is that most modern chargers have built-in protection circuitry which prevents overcharging.

Can You Overcharge a Leisure Battery?

Batteries are designed to provide an even charge over time, so it is nearly impossible to overcharge them.

But there are certain situations where it can happen- like if your battery is being used in an application where its voltage has been regulated or limited by another device.

Can You Run a TV Off a Leisure Battery?

Yes, the TV in your RV can be powered with a leisure battery, but it must be a pack of batteries. However, while you do that you will not be able to plug in your other devices like a DVD player or sound system while using a battery pack.

How Long Will a Leisure Battery Run a Fridge?

The power output of an average leisure battery is about 12 volts. This means that the battery can only produce 1 amp per hour (or 60 watts) because that is all electricity that can be carried by one wire at a time.

This means that even though they are rated as deep cycle batteries, they don’t have much capacity left after just two hours of use.

The voltage drops as the battery discharges until it reaches around 8 volts when it should be charged again.

So what does this mean for how long a leisure battery will run your fridge? It depends on the size, temperature settings of the fridge, and type of leisure battery.


We’ve discussed everything you need to know on how a battery charger can be used to charge a leisure battery. In addition, we also provide answers to related questions like how long it will take a leisure battery to run a fridge, can a leisure battery be overcharged, and so on.

For someone who is just getting started with recreational, we have a resource page where you can find answers to common questions on an RV refrigerator fans make your fridge cooler, do RVs really need slide-out stabilizers, do RV antifreeze evaporate, and so on.