How to Replace your jeep wrangler battery?

A jeep wrangler’s main power source is its battery. All electrical components of a car receive power to run from a battery. Over time, all car batteries show inefficient performance and replacing becomes mandatory. This statement is valid for the jeep wrangler battery also. So, when you see poor functionality from the battery of the jeep wrangler, don’t forget to replace it with a new one. So, you might be wondering, can I replace my jeep wrangler battery of my own? Yes, you can do it if you know how to replace your jeep wrangler battery.

This article discusses the step-by-step process of replacing the battery of your jeep wrangler.

Read the whole article intently.

How Long Do Jeep Wrangler Batteries Last?

After replacing your Jeep Wrangler Batteries, its lifespan depends on how long it can hold its charge and how slow it can recharge. The lifespan of a jeep wrangler battery depends on the below factors.

  • Driving habits
  • Weather
  • Maintenance
  • Power

Depending on the above factors, a jeep wrangler’s battery lasts up to 3 – 5 years.

Step-by-Step Process of  How to Replace Your Jeep Wrangler Battery

Failure and success of any DIY project depend on the preparation a lot. Within an utmost short time, battery replacement of a jeep wrangler can be done. The condition is, all necessary components need to be available when accomplishing the task. Also, you will require the correct battery with matching terminals and the manufacturer’s manual.

Hand gloves are another essential piece of equipment that will let you keep your surroundings neat and clean.

Let’s look at the step-by-step procedure below.

What You Will Need?

  • 10mm regular wrench.
  • Hand gloves.
  • Ratchet.
  • Socket

Step 01: Opening of the Jeep Hood

First, you will need to open the jeep hood. The battery of the jeep wrangler is located on the engine compartment’s passenger side. Use the 10mm wrench to remove the negative battery cable first.

Step 02: Remove and Locate the Positive and Negative Cable

Disconnect the negative cable from the battery and keep it aside. Then the positive cable also needs to be removed and keep it aside too. A crossbar runs over the top of the battery, locate it.

Step 03: Removal of the Nuts and Washers

Using a ratchet and socket, remove the 2 washers and nuts from the battery’s top crossbar hold-down. Counterclockwise turning to the bolts will let you lose it comfortably. These need to be removed from the J-bolts. At the same time, the crossbar requires removal from the battery.

Step 04: Installation of a New Battery

Hold the battery upright and remove it from the jeep, then store it in a safe place. Take a new battery and install it following the positive and negative terminals’ right orientation as they were in the old battery.

The battery hold-down crossbar needs to be positioned over the battery. Then position the J-bolts into the crossbar holes and slide them on top of the battery.

Step 05: Installation of the Nuts and Washers

The 2 nuts and washers require to be installed on the J-bolts; use a ratchet and a socket to tighten them. Continue tightening until the crossbar is snagged. However, make sure not to over-tighten. The battery’s plastic case may damage if you do so.

Step 06: Restoring the Connection

Ensure restoring the connection between the positive cable and the battery’s positive terminal. Again use the wrench to tighten the bolt properly.

Then, ensure restoring the connection between the negative cable and the battery’s negative terminal. Again use the wrench to tighten the bolt properly.

Finally, close the jeep hood. In order to test the installation, start the engine.

Jeep Wrangler Battery Size

Since many different batteries are available in the market for jeep wrangler, buying the best jeep wrangler battery is a tricky task. So, what is the trick? Read below.

Even batteries of the same brand for jeep wrangler have countless sizes. From 2007 – 2011 jeep wrangler models, the size of the OEM (Original Equipment Manufacturer) battery was group-34. For jeep wranglers from 2011 to now, the size changed to group 91. When the change comes for any reason, you will be notified by the manufacturer.

Remember, the battery size may fit, but the cable may require some modification. So, it would be best to choose a battery for your jeep wrangler with the right size fitment. Similarly, correct terminal placement is also necessary.

Jeep Wrangler Battery Price

Generally, a jeep wrangler car battery lasts 3 – 5 years with great care and maintenance. Unfortunately, we don’t pay attention to check the car battery’s health, and when it starts malfunctioning, we show interest in it.

To ensure a well-performed jeep wrangler battery, regular inspection of the battery, proper charging is mandatory. Using different types of battery chargers, you can charge the battery of jeep wrangler. At the same time, you can check your battery health by reading the manufacturer manual.

Once a car battery malfunctions, replacing or changing it becomes necessary. A jeep wrangler battery price ranges from $45 – $ 300, and it depends on the battery quality, size, and power. This price is without the installation cost of a service center. On average, a service center will cost you $75 to install the battery in your jeep wrangler.

You can save a few bucks reading the step-by-step instruction on a battery of jeep wrangler’s replacement process.

Wrap Up

The performance of a jeep wrangler relies on the battery, making it an integral part. So, proper care and maintenance are a must to get efficient results for many years.

Replacing a jeep wrangler battery is not a difficult task. Following the above-discussed instructions about how to replace your jeep wrangler battery, you can comfortably complete the whole task within 20 minutes. All you need to do is, make sure you have selected the right jeep wrangler battery size to avoid inconvenience.

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