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Free Car Battery Size Finder

Select your vehicle year, make, and model to find the correct battery group size, CCA rating, dimensions, and specifications.

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Battery Data Not Found

We don't have battery data for this specific model yet. Check your owner's manual or the sticker on your current battery for the group size. Try the CarSight app for AI-powered help.

Common Battery Sizes

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Understanding Car Batteries

🔋 Group Size

The BCI group number defines the battery's physical dimensions and terminal configuration. It must match your vehicle's battery tray for proper fit and connection.

⚡ CCA Rating

Cold Cranking Amps measures starting power at 0°F. Higher CCA = better cold-weather starting. Always meet or exceed your vehicle's minimum requirement.

⏱️ Reserve Capacity

Minutes the battery can supply 25 amps at 80°F before dropping below 10.5V. Important for running electronics when the engine is off.

🔌 Terminal Type

Top-post (most common), side-post (many GM vehicles), or dual-terminal. Must match your car's battery cable configuration.

Frequently Asked Questions

The easiest way is to use our free finder above — just select your year, make, and model. You can also check your owner's manual, the sticker on your current battery, or ask at an auto parts store. The group size must match for proper physical fit and terminal position.
CCA (Cold Cranking Amps) measures how much electrical current a battery can deliver at 0°F (-18°C) for 30 seconds while maintaining at least 7.2 volts. Higher CCA = more starting power in cold weather. If you live in a cold climate, choose a battery with higher CCA than the minimum requirement.
Generally, no — the battery must physically fit your battery tray and have terminals in the correct position. Using the wrong group size can result in a loose fit, poor connections, or even short circuits. Always use the manufacturer-recommended group size for your vehicle.
A typical car battery lasts 3 to 5 years. Factors that affect lifespan include extreme temperatures (heat degrades batteries faster than cold), short trips (not enough time to fully recharge), vibration, and electrical demand. Get your battery tested after 3 years.
Common signs: slow engine cranking, dim headlights when starting, the battery warning light on your dashboard, needing frequent jump starts, a swollen or bloated battery case, corrosion on terminals, and age over 4 years. Most auto parts stores offer free battery testing.