Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
2021 Honda AccordBattery Location & Size
OEM battery spec from the factory service manual for the 10th Gen (2018-2024) (2018-2024).
Quick Answer
Location
Under hood, driver's side (front corner)
Battery Size
Group 51R
CCA Rating
410 CCA minimum
Difficulty: Easy — 15 min
Source: Factory service manual — 2021 Honda Accord 10th Gen (2018-2024).
This vehicle's factory manual
2021 Honda Accord: confirm the engine, trim, or drivetrain to open the available repair and diagnosis sections.
What You'll Need
Related for Your 2021 Honda Accord
Frequently Asked Questions
- Where is the battery in a 2021 Honda Accord?
- The 2021 Honda Accord battery is located under hood, driver's side (front corner).
- What size battery does a 2021 Honda Accord take?
- The 2021 Honda Accord uses a Group 51R battery with at least 410 CCA minimum.
- How hard is it to replace the battery on a 2021 Honda Accord?
- Battery replacement is rated as easy — 15 min.