The Honda Fit most commonly uses a Group Size 51R battery, though the exact size can vary by model year and market. Always confirm by checking the battery label or the owner's manual.
Group size refers to a standardized set of dimensions, terminal configuration, and weight used to ensure the battery fits properly in the battery tray, aligns with cable connections, and matches the vehicle’s electrical requirements. Because different markets and generations of the Fit have used different components, it’s important to verify the correct size for your specific car.
Common group sizes for Honda Fit
Below are the group sizes you are likely to encounter on Honda Fit models, with notes about where they might appear. Always verify with the exact year and market since configurations vary.
- Group Size 51R — The most common size for modern Fits in many markets (roughly mid-2000s to present in North America). This size is widely used because it fits the battery tray and provides the correct terminals for most Fit wiring harnesses.
- Group Size 51 — Some older or export models used the non-R variant. If you see a 51 label, double-check that the terminal arrangement and dimensions match your car’s tray and cable layout.
- Group Size 35 — A less common option that has appeared in certain markets or early generations. Verify fitment before purchasing a replacement.
To ensure you get the correct fit, compare the exact dimensions, terminal layout, and hold-down hardware with your vehicle’s specifications or consult official sources for your model year.
How to verify your specific Honda Fit battery size
Use these steps to confirm the right group size for your car before buying a replacement.
- Check the owner's manual or contact a Honda dealer for the OEM battery group size for your model year and market.
- Inspect the current battery label for the group size or part number printed on the battery itself.
- Measure the battery dimensions (length, width, height) and compare them to standard group size charts to see which size fits.
- Note the terminal arrangement (POS/NEG location) and the hold-down style, since mismatches can prevent correct installation.
If you’re unsure after these checks, choose a replacement that matches the OEM group size and specifications (CCA, RC, and terminal type) for your exact model year and region. When in doubt, consult a professional to confirm compatibility.
Summary
The Honda Fit typically uses Group Size 51R, but variations by year and market mean you should verify using your manual, current battery label, or dimensions. By checking the label, measuring the battery, and comparing with official specifications, you can ensure you pick the correct group size and maintain proper fit and performance.