The 2018 Honda HR-V uses a standard 12-volt automotive battery (lead-acid). There is no high-voltage hybrid battery in the gasoline-powered model.
When replacing or shopping for a new battery, the exact group size and rating can vary by market and trim. The battery label and the owner's manual are the best sources to confirm the correct specification for your vehicle.
Battery type and key details
For most gasoline HR-V models, the battery is a conventional 12-volt unit that supplies starting power and powers electrical systems when the engine is off or idling. The battery’s important specifications—such as group size, cold-cranking amps (CCA) and capacity—are printed on the battery itself and listed in the owner's manual.
Before replacing the battery, you should verify its group size (the physical size and terminal arrangement) and its CCA rating to ensure compatibility with your climate and driving needs.
Common group sizes and ranges used on Honda models in this class include around 51R for the HR-V and similar small SUVs; however, exact specifications vary by market and trim, so always check the label or consult a dealer for your specific vehicle.
To help you navigate, use this quick checklist when shopping for a replacement battery:
- Group size and terminal layout: confirm the exact size on the battery label (often around 51R for Honda compact SUVs) to ensure a proper fit.
- Voltage and chemistry: a 12-volt automotive lead-acid battery; this is not a high-voltage hybrid pack.
- Rating: match or exceed the OEM cold-cranking amps (CCA) and overall capacity recommended for your climate and driving conditions.
- Verification: cross-check the battery label and the owner's manual, and, if in doubt, consult a Honda dealer or qualified technician.
In short, your replacement should be a 12-volt lead-acid battery with the correct group size and rating as specified for your specific HR-V model and market.
Replacement basics
When replacing the battery, ensure you follow proper safety procedures: disconnect the negative terminal first, then the positive, remove any hold-downs, install the new battery in the same orientation, and reconnect terminals securely. If you’re unsure about the procedure, have a professional perform the replacement to avoid damage to electrical systems.
Summary
The 2018 Honda HR-V relies on a conventional 12-volt lead-acid battery, not a hybrid battery. For replacement, verify the exact group size and rating on the battery label or in the owner's manual, with common configurations often pointing toward a 51R-type fit. Always check the official specs for your specific vehicle to ensure proper fit and performance.
What size battery do I need for a 2018 Honda CRV?
Optima – Red Battery : Group Size 35, 720 CCA, 910 CA, 90 Minute Reserve Capacity (Part No. 35)
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.
How much does it cost to replace the battery in a Honda HR-V 2018?
The average cost for a Honda HR-V Battery Replacement is between $229 and $261. Labor costs are estimated between $68 and $99 while parts are typically priced around $161.
What battery does a 2018 Honda HR-V take?
ACDelco Standard Flooded Top Post Battery Group Size 51R 500 CCA 85 Minute RC - 51RG.