Car Battery Size

Car Battery Size: Why It Matters

Find the right fit for your vehicle—and avoid costly mistakes.

What is a Battery Group Size?

  • The physical dimensions of the battery
  • The terminal placement
  • Its fit compatibility with your vehicle
Battery Group Size Code

Why It’s Important

Proper Fit

A battery that’s too large or small may not secure properly in your tray.

Battery Fitment Example 1

Correct Terminal Placement

Wrong orientation can make cable connections difficult or impossible.

Terminal Placement Diagram

Safe & Stable

A snug fit helps prevent movement, which can damage your battery or vehicle.

Battery Fitment Example 2

How to Find the Right Group Size

  • Check the old battery label
  • Use our online battery finder tool
  • Ask your closest retailer of where your vehicle gets serviced
Pro Tip Icon

Pro Tip

Stick to your vehicle’s recommended group size. It ensures a proper fit and optimal performance—no guessing needed.

Battery Dimensions Chart

About Clarios

Every journey matters.
And so does the battery
that powers each of them.

Learn More
Clarios creates the most advanced battery technologies for virtually every type of vehicle. We are a global leader in energy storage solutions, powering one in three of the world’s vehicles. We partner with our customers to develop smarter solutions that make people’s lives better.