The 2008 Honda Civic LX typically uses a 12-volt lead-acid battery in Group Size 35. Always verify the exact size by checking the battery label or the owner's manual, as regional variations can occur.
In practice, North American Civics from this generation commonly use a Group Size 35 battery that fits the under-hood tray and provides adequate cold-cranking amps for routine driving. While some retailers list alternative sizes, the Group Size 35 is the standard reference for most LX models, so checking the label is the safest step.
Battery size and specs you should know
The key details you’ll encounter when sourcing a replacement for a 2008 Civic LX are summarized below.
- Group size: 35 (12-volt flooded lead-acid battery is standard).
- Typical cold-cranking amps (CCA): commonly in the 400–550 CCA range depending on climate and the manufacturer.
- Common replacement considerations: ensure the battery’s terminal layout and polarity match your vehicle’s connections, and confirm physical dimensions fit the under-hood tray.
When shopping, stick with a Group Size 35 battery and verify CCA, RC, and dimensions to suit your climate and driving needs. If in doubt, consult your owner's manual or a qualified technician.
How to verify the correct battery for your specific Civic
To avoid buying the wrong battery, use these verification steps before purchasing a replacement.
- Check the current battery label under the hood for the exact Group Size, CCA, and voltage.
- Consult the 2008 Civic LX owner’s manual or the under-hood information sticker for the manufacturer’s recommended group size and specs.
- Measure the battery’s physical dimensions and compare them with the new battery’s dimensions to ensure it will fit the tray and mounting points.
- Confirm terminal configuration and polarity match (positive and negative terminals’ locations) to avoid installation issues.
After ensuring compatibility, you can proceed with replacement, keeping in mind proper disposal of the old battery and appropriate recycling guidelines.
Summary
For the 2008 Honda Civic LX, the standard replacement battery is a 12-volt lead-acid unit in Group Size 35. Always verify the exact size on the battery label or in the owner's manual, as regional variations can apply. When buying a replacement, match the group size, terminal layout, and CCA to your climate and driving needs, and follow proper installation and disposal practices.