The 2007 Honda Fit runs on a standard 12-volt lead-acid battery, and replacement batteries typically come in one of two common group sizes depending on market and production date.
The 2007 Honda Fit uses a standard 12-volt lead-acid battery. For replacement, the most common OEM battery group size is Group 35, though some export variants use Group 51R. Always verify by checking the current battery label or the owner's manual.
Common battery sizes for the 2007 Honda Fit
Group size options by market
There are two group sizes you will typically encounter for the 2007 Fit, depending on market and production date.
- Group 35 — a compact, widely used size that fits many trims of the Fit in North American markets.
- Group 51R — a smaller footprint sometimes chosen for certain export variants or regional specs.
In practice, confirm the exact group size by reading the current battery label or consulting the owner's manual. If you replace your battery, match or exceed the original specifications to maintain proper starting power and fit.
How to verify the correct size for your vehicle
Steps to confirm the right size
To be sure you're using the right battery, check the existing battery's label, consult the owner’s manual, or use the VIN to confirm the exact group size for your trim and region. When replacing, choose a battery with compatible size, terminal arrangement, and adequate cold-cranking amps for your climate.
- Inspect the battery you currently have and look for the group size printed on the label (e.g., "Group 35" or "51R").
- Consult the owner's manual or your dealership’s parts department to confirm the recommended group size for your specific year and market.
- Measure the battery tray dimensions (length, width, height) to ensure the new battery will physically fit in the space.
- When buying from an auto parts store, provide your year, make, model, and engine size to receive the correct battery option.
Using the correct group size ensures proper fit and electrical performance; using the wrong size can lead to fitment issues or insufficient starting power.
What to consider when replacing
Beyond the physical size, ensure the replacement battery meets or exceeds the original battery's cold-cranking amps (CCA) and capacity, and that the terminal orientation matches. If you drive in extreme heat or cold or frequently use accessories, investing in a battery with higher CCA and reserve capacity can be beneficial.
Summary
The 2007 Honda Fit typically uses a 12-volt lead-acid battery, with Group 35 being the most common size in many markets and Group 51R used in some export configurations. Always verify the exact group size by checking the battery label or the owner's manual, and ensure the replacement fits physically and meets required electrical specs.
What group size is a Honda Fit battery?
Group Size 151R battery
Most Honda Fit models use a Group Size 151R battery, though it's always best to confirm by using our battery fitment tool to match your specific year and engine type. How long do Honda Fit car batteries last?
What battery does a 2007 Honda Fit take?
Super Start Extreme Standard Flooded Top Post Battery Group Size 151R 340 CCA 55 Minute RC - 151REXT.
What year to stay away from Honda Fit?
With the most reported complaints of all model years of the Honda Fit, the 2015 Fit is one we definitely recommend avoiding if you are looking to purchase from the last generation of this model. These early models tend to carry more issues that would be rectified later in the car's production life.
Are 51 and 51R the same battery?
This dimensional variation optimizes weight and performance for specific applications, such as lower cranking amps and reserve capacity. Furthermore, these batteries feature distinct terminal polarities: Group 51 places its positive terminal on the left, while Group 51R aligns it on the right.


