What Size Battery for 2015 Dodge Journey: Essential Guide

For your 2015 Dodge Journey, the most common and recommended battery group size is Group Size 35. Always check your owner’s manual or consult a professional to confirm the exact battery size and specifications for your specific vehicle model and engine.

Keeping your 2015 Dodge Journey running smoothly means paying attention to its essential parts, and the battery is definitely one of them. A dead battery can leave you stranded, which is never a good feeling. You might be wondering, “What size battery does my 2015 Dodge Journey actually need?” It can seem a bit confusing with all the different sizes out there, but don’t worry! This guide is here to make it super simple. We’ll walk you through exactly what you need to know to pick the right battery, get it installed, and keep your Journey powered up. Let’s get your ride ready to roll!

Understanding Battery Basics for Your 2015 Dodge Journey

Car batteries aren’t just one-size-fits-all. They come in different sizes, shapes, and have different power levels. The battery’s job is to start your engine and keep your car’s electrical systems running when the engine isn’t on. For your 2015 Dodge Journey, choosing the right size is crucial. Using the wrong size could mean it won’t fit properly, won’t connect securely, or won’t have enough power.

Battery Group Sizes Explained

You’ll often see batteries referred to by a “Group Size.” This is a standard system used by the Battery Council International (BCI) across North America. It tells you the physical dimensions (length, width, and height) of the battery and the position of the positive and negative terminals. This standardization is a lifesaver for car owners because it ensures a battery of a specific group size will generally fit into the battery tray and connect to the cables of vehicles designed for that size.

For the 2015 Dodge Journey, the most common and widely recommended battery group size is Group Size 35. However, it’s always best to double-check your specific vehicle. Factors like engine size or specific trim levels can sometimes lead to slight variations.

Key Battery Specs to Look For

Beyond just the group size, there are other important specifications on a car battery that tell you about its performance and longevity:

• Cold Cranking Amps (CCA): This is a measure of how much power the battery can deliver in cold temperatures (0°F or -18°C) to start the engine. Higher CCA is better, especially if you live in a cold climate. For a 2015 Dodge Journey, look for a CCA rating that meets or exceeds the manufacturer’s recommendation, typically in the range of 500-600 CCA.
• Reserve Capacity (RC): This tells you how long the battery can provide power if the alternator fails. It’s measured in minutes. A higher RC means your lights and accessories will run longer without draining the battery completely.
• Voltage: Most car batteries are 12-volt systems. Your Dodge Journey uses a 12V battery.
• Terminal Type: Ensure the terminal type matches your car’s battery cables. Group Size 35 batteries typically have top-mounted, standard automotive terminals.

Determining the Correct Battery Size for Your 2015 Dodge Journey

Finding the exact battery you need for your Dodge Journey is straightforward. Here are the best ways to be sure:

1. Check Your Owner’s Manual

Your Dodge Journey’s owner’s manual is the ultimate authority. It will clearly state the recommended battery group size and specifications. If you can’t find your physical manual, you can often download a PDF version from the official Dodge website.

2. Inspect Your Current Battery

Take a look at the battery currently in your 2015 Dodge Journey. Most batteries have their group size printed clearly on the label. It’s usually a prominent number or number/letter combination, like “35” or “Group 35.” You might also find the CCA rating and other specs there.

3. Use Online Battery Finders

Most reputable battery manufacturers and auto parts retailers have online tools. You simply enter your vehicle’s year, make, and model (2015 Dodge Journey), and they will list the compatible battery group sizes and specific models they carry. This is a quick and easy way to find options.

4. Consult an Auto Parts Store or Mechanic

When in doubt, ask the experts. Staff at your local auto parts store or a trusted mechanic can quickly look up the correct battery size for your 2015 Dodge Journey. They can even help you find a battery with the best performance for your needs. This is also a good time to ask about warranties.

Battery Options for the 2015 Dodge Journey (Group Size 35)

As mentioned, Group Size 35 is the sweet spot for most 2015 Dodge Journeys. Here’s what you can expect in terms of options and what to consider when choosing one:

Popular Battery Brands and Types

Numerous brands offer reliable batteries in Group Size 35 that will fit your Dodge Journey. Some of the most recognized names include:

• Interstate Batteries: Known for their durability and strong warranties.
• Optima Batteries: Often feature AGM (Absorbent Glass Mat) technology, offering superior vibration resistance and deeper discharge capabilities.
• ACDelco: A reputable brand with a wide range of options to fit various needs and budgets.
• DieHard (Advance Auto Parts): Another well-known name, often offering good value.
• EverStart (Walmart): A more budget-friendly option that still provides reliable performance for everyday driving.

Conventional vs. AGM Batteries

When you look at Group Size 35 batteries, you’ll likely encounter two main types:

Conventional (Flooded) Batteries

These are the traditional lead-acid batteries. They are filled with a liquid electrolyte. They are generally less expensive but can be more prone to damage from vibration and extreme temperatures. They also require a small amount of maintenance, like checking the electrolyte level occasionally.

AGM (Absorbent Glass Mat) Batteries

AGM batteries use a special mat that soaks up the electrolyte, making them spill-proof and more resistant to vibration. They generally offer better performance, longer lifespan, and can handle deep discharges better. They are often the preferred choice for vehicles with a lot of electronics or for drivers who need maximum reliability. For a 2015 Dodge Journey, an AGM battery can be a great upgrade if your budget allows, especially if you live in an area with extreme temperatures.

The choice between conventional and AGM often comes down to your driving habits, climate, and budget. For most standard driving conditions in a 2015 Dodge Journey, a good quality conventional Group Size 35 battery will serve you well. If you want enhanced performance, durability, and perhaps have extra accessories drawing power, an AGM is worth considering.

What to Look for in a Battery Spec Chart

When comparing batteries, a specification chart is your best friend. Here’s a typical comparison you might see for Group Size 35 batteries:

In this example, Battery B (AGM) offers higher CCA and RC, a better warranty, but costs more. Battery A is the most budget-friendly. Battery C offers a middle ground. Your decision will depend on how much power you need, how long you expect it to last, and your budget.

How to Replace Your 2015 Dodge Journey Battery: A Step-by-Step Guide

Replacing a car battery is a common DIY task. With a few basic tools and a little care, you can do it yourself. Safety first! Always wear eye protection and gloves.

Tools You Will Need:

• New battery (Group Size 35, specific to your 2015 Dodge Journey)
• Wrench set or socket set (typically 10mm and 13mm for terminals and hold-down clamp)
• Wire brush or battery terminal cleaner
• Protective gloves and eye protection
• Rags or paper towels
• Optional: Battery terminal protector spray/grease

Step-by-Step Replacement Process

1. Park Safely: Park your 2015 Dodge Journey on a level surface and turn off the engine completely. Engage the parking brake.
2. Locate the Battery: Open the hood. The battery is typically located on one side of the engine bay. It’s usually a rectangular box with two cable connectors on top.
3. Disconnect the Negative Terminal First: This is a critical safety step. Using your wrench, loosen the nut on the clamp of the negative (black, marked with a ‘-‘) terminal. Once loose, twist and pull the cable off the battery post. Tuck it away so it can’t accidentally touch the battery post.
4. Disconnect the Positive Terminal: Now, loosen the nut on the clamp of the positive (red, marked with a ‘+’) terminal. Remove this cable and set it aside.
5. Remove the Battery Hold-Down Clamp: Most batteries are secured by a bracket or clamp at the base. You’ll need to loosen and remove the bolt(s) holding this clamp in place using your wrench or socket.
6. Lift Out the Old Battery: Batteries are heavy! Carefully lift the old battery straight up and out of the tray. If it’s difficult, double-check that the hold-down clamp is fully removed.
7. Clean the Tray and Cables: Use a wire brush or a dedicated battery cleaner to scrub any corrosion off the battery tray and the cable clamps. Wipe them clean with a rag. A clean connection is essential for good electrical flow. You can research proper disposal methods for old batteries at official government sites, like the EPA’s information on lead-acid battery recycling.
8. Install the New Battery: Carefully place the new Group Size 35 battery into the tray, ensuring it’s oriented correctly with the positive and negative terminals in the same position as the old one.
9. Reinstall the Hold-Down Clamp: Secure the new battery with the hold-down clamp and tighten the bolt(s). Make sure the battery is snug and won’t move.
10. Connect the Positive Terminal First: Place the positive (red, ‘+’) cable clamp onto the positive battery post. Tighten the nut securely with your wrench, but don’t overtighten.
11. Connect the Negative Terminal Last: Place the negative (black, ‘-‘) cable clamp onto the negative battery post. Tighten the nut securely.

    Tip: You can apply a thin layer of battery terminal protector spray or dielectric grease to the terminals and clamps to help prevent corrosion.
12. Start Your Journey: Close the hood, start your Dodge Journey, and ensure everything is working correctly. Your radio presets might be erased, so be prepared to reset them.

Tips for Maintaining Your Battery’s Health

A little bit of care goes a long way in extending the life of your new battery. Here are some simple tips:

• Keep Terminals Clean: Regularly inspect the battery terminals for corrosion (a white or bluish powdery substance). If you see any, clean them gently with a wire brush or a specialized battery terminal cleaner.
• Ensure a Tight Fit: Make sure the battery hold-down clamp is snug. A loose battery can be damaged by vibrations, which can shorten its lifespan.
• Avoid Frequent Short Trips: Short trips don’t give the alternator enough time to fully recharge the battery. If your daily commute is very short, consider taking your Journey for a longer drive periodically.
• Check for Drain: If you notice your battery is frequently dying, there might be an electrical drain. This could be a faulty component or accessory drawing power when the car is off. A mechanic can help diagnose this.
• Protect from Extreme Temperatures: While modern batteries are robust, extreme heat and cold can still impact performance and lifespan. Parking in a garage can help.
• Test Battery Health Annually: Most auto parts stores offer free battery testing. Getting your battery tested once a year is a good way to catch potential problems before they leave you stranded.

When to Consider a Battery Upgrade

While a standard Group Size 35 battery is usually sufficient, there are reasons you might want to consider an upgrade:

• Cold Climate Performance: If you live in an area with very cold winters, a battery with higher CCA (Cold Cranking Amps) can provide more reliable starting power.
• Heavy Electrical Loads: If you have a lot of aftermarket accessories like powerful stereos, extra lighting, or winches, a battery with higher reserve capacity (RC) or an AGM battery might be beneficial.
• Frequent Deep Discharges: If your usage involves situations where you might drain the battery more significantly when the engine is off (e.g., camping with accessories), an AGM battery is designed to handle this better than a conventional battery.
• Longer Lifespan Desire: AGM batteries often have a longer lifespan than conventional batteries, making the initial higher cost a worthwhile investment for some.

Frequently Asked Questions About 2015 Dodge Journey Batteries

Q1: What is the average lifespan of a car battery?

A: On average, a car battery lasts about 3 to 5 years. This can vary depending on the climate, driving habits, battery quality, and maintenance. Extreme heat and cold can shorten a battery’s life.

Q2: Can I use a different battery group size than the recommended Group 35 for my 2015 Dodge Journey?

A: It’s strongly advised not to use a different group size unless specifically recommended by a professional. The group size dictates the physical dimensions and terminal placement. An incorrect size might not fit in the battery tray, connect properly to your cables, or allow the hood to close, potentially leading to safety issues.

Q3: How do I know if my battery needs replacing?

A: Signs of a failing battery include a slow engine crank, dim headlights, warning lights on the dashboard (like the battery or check engine light), a