The 2018 Honda CR-V uses a standard 12-volt automotive battery (not the hybrid traction battery). The exact size and rating can vary by market and trim, so verify the battery label or the owner's manual for the precise specification.
Battery type and common sizes
Group sizes you may encounter
Most non-hybrid 2018 CR-Vs rely on a conventional flooded lead-acid battery. The common group sizes you’ll encounter for this model year are Group 51R and Group 35, though the exact size depends on market and trim. Check the label on the battery or your service manual to confirm the correct size.
- Group 51R: compact to mid-size car battery; widely used on many Honda models.
- Group 35: a larger option used in some markets or trims.
Note: Some regional variants or dealer-installed options might differ, so always confirm with the exact part number or the dealer’s specification for your VIN.
How to identify the right battery for your vehicle
To ensure you purchase the correct battery for your 2018 CR-V, use these checks:
- Consult the owner's manual or the battery group size printed on the existing battery.
- Match the number of terminals and the terminal orientation to your current battery (positive and negative locations).
- Ensure the cold-cranking amps (CCA) rating meets or exceeds the OEM spec; exact value depends on market and trim.
- Verify the battery type (flooded lead-acid vs. AGM) expected for your variant location.
Using the correct size and rating ensures optimal starting power and electrical system compatibility for your CR-V.
Replacement and maintenance tips
When replacing or maintaining your 2018 CR-V’s battery, follow these practical steps to ensure safety and proper operation.
- Gather basic tools: socket wrench, gloves, safety glasses, and a battery terminal puller if needed.
- With the vehicle off, disconnect the negative (-) terminal first, then the positive (+) terminal to prevent short circuits.
- Remove the hold-down clamp or bracket that secures the battery and lift the battery out carefully.
- Install the new battery in the same orientation, tighten the hold-down, and reconnect the terminals: positive first, then negative.
- Reset or re-enter any codes for radios or security systems if prompted; reset the clock and presets as needed.
After installation, check the 12V system with a voltmeter (around 12.6V when fully charged) and ensure there are no corroded terminals or loose connections.
Summary
The 2018 Honda CR-V uses a standard 12V lead-acid automotive battery, with common group sizes including 51R and 35 depending on market and trim. Always verify the exact size and rating from the label or manual. When replacing, follow safe battery-handling steps and ensure proper terminal connections. If in doubt, consult a Honda dealer or qualified technician.
What type of battery does a 2018 Honda CRV use?
Top Terminal. 400 CCA. Group 51R.
How long should a battery last in a 2018 Honda CRV?
The sophisticated electrical systems throughout your Honda require a steady flow of voltage from the battery. As car batteries last about three to five years on average, it's best to keep an eye out for signs of failure as your battery ages.
How much does a new battery cost for a 2018 Honda CRV?
The range of prices of Batteries for the 2018 Honda CR-V goes from $179.99 up to $299.99 for the most premium parts.
What type of battery does a Honda CR-V need?
DieHard Gold – Battery : 51R Group Size, 500 CCA, 625 CA, 85 Minute Reserve Capacity, Maximum Starting Power (Part No. 51R-2)