How Much Is a Car Battery for a Honda Accord?

Expect to pay $150–$350 for a replacement 12‑volt battery for a Honda Accord in the U.S., depending on model year, battery size, and chemistry (flooded, EFB, or AGM). Dealer-installed totals typically land between $250–$500, while parts retailers often install for $170–$350 all-in. Hybrid Accords use a conventional 12‑volt auxiliary battery in the $200–$350 range; this is separate from the high-voltage traction battery, which costs far more and isn’t what most owners are replacing.

What You’ll Pay by Battery Type and Group Size

Accord pricing hinges on the battery technology and the physical size (group) your car requires. The following ranges reflect common retail prices as of 2025 and cover mainstream brands sold by auto parts retailers, dealers, and independent shops.

• Conventional flooded lead‑acid (most base trims, older Accords; common groups 51R, 24F, 35): $120–$220
• EFB (Enhanced Flooded Battery; often used with idle stop/start): $160–$280
• AGM (Absorbed Glass Mat; preferred for higher electrical loads, start/stop, or harsh climates; groups 51R and H5/Group 47 are common): $200–$350
• Premium AGM/High‑performance (higher CCA/reserve capacity): $280–$400
• Dealer OEM (part only): typically $180–$320, sometimes more for AGM/EFB

Most owners land in the $180–$300 sweet spot for a quality battery, with AGM options at the higher end. Prices vary with region, brand, and availability.

Factors That Change the Price

Several variables push costs up or down. Understanding them helps you choose the right battery and avoid overspending.

• Model year and trim: Start/stop systems and higher electrical loads tend to require EFB or AGM batteries.
• Battery group size: Accords commonly use groups 51R, 24F, 35, or 47 (H5); larger or less common groups can cost more.
• Cold‑cranking amps (CCA): Higher CCA for cold climates generally increases price.
• Chemistry and warranty: AGM and longer free‑replacement warranties (often 3 years) cost more than basic 2‑year flooded units.
• Brand and retailer: OEM/dealer parts usually cost more than aftermarket equivalents from Interstate, DieHard, Duralast, etc.
• Local market and season: Prices can rise in winter and differ by region; core charges ($10–$30) are refunded when you return the old battery.

Match the chemistry and rating to what the vehicle was designed for; “upgrading” in the wrong format can be unnecessary or incompatible.

Typical Installed Prices by Seller

Here’s what most Accord owners pay out the door, including installation, testing, and recycling where applicable.

• Dealer service department: $250–$500 installed, depending on battery type and shop rates
• Independent repair shop: $200–$400 installed
• Auto parts retailers (many install on-site): $170–$350 installed; installation often free or low-cost
• Mobile battery services: $220–$400 plus a $25–$100 convenience/service fee in some areas
• DIY: $140–$300 for the battery plus any tools/memory saver; core refunded on return

Retailer promos and loyalty programs can trim $20–$50 off the ticket, especially for common sizes like 51R.

What Size Battery Does an Accord Use?

Battery size varies by generation and trim. Common Accord group sizes include 51R, 24F, 35, and 47 (H5). Many late‑2010s to current Accords frequently use Group 51R; trims with idle stop/start or higher electrical demand may use AGM (often Group 47/H5). Older Accords (pre‑2013) often used 24F or 35. Always confirm via your owner’s manual or a fitment guide by year/engine.

Hybrid Accords: 12‑Volt vs. Traction Battery

Hybrid models have two batteries. Most owners asking about a “car battery” mean the 12‑volt auxiliary battery under the hood or in the trunk; this powers accessories and ECUs.

• 12‑volt auxiliary (Hybrid): Typically EFB or AGM in Group 51R or similar; $200–$350 for the part
• High‑voltage traction battery: Powers the hybrid drive; parts and labor can run $2,000–$6,000+ and is a different service entirely

If your hybrid won’t “ready” or shows IMA/EV warnings, diagnostics will determine whether the issue is the 12‑volt or the traction battery.

How to Save Money

A few practical steps can keep total costs in check without sacrificing reliability.

• Shop sales and coupons at major retailers; online order with in‑store pickup often yields the best price.
• Return the old battery to recover the core charge and avoid disposal fees.
• Choose the correct chemistry (flooded/EFB/AGM) specified for your trim; don’t overbuy CCA beyond what your climate needs.
• Test the charging system; a weak alternator can kill a new battery prematurely.
• Keep your receipt and note the warranty terms (free replacement vs. pro‑rated coverage).

The right fit and a healthy charging system do more for longevity than paying top dollar for unnecessary capacity.

Installation Notes and Time

Battery swaps on Accords are straightforward and usually take 15–30 minutes. A memory saver preserves radio presets and one‑touch window functions but isn’t strictly required.

• Use a memory saver if available; otherwise, be prepared to reset clock and window auto‑up/down.
• Disconnect negative first, reconnect negative last; clean terminals and apply anti‑corrosion spray.
• Secure the hold‑down properly; loose batteries can fail early.
• Most Hondas do not require battery “registration” coding after replacement.

If your car has start/stop or a battery monitoring sensor, stick with the specified battery type to avoid system faults.

Summary

A replacement 12‑volt battery for a Honda Accord generally costs $150–$350 for the part, with installed totals ranging from $170–$500 depending on where you buy and whether you choose flooded, EFB, or AGM. Confirm your group size (commonly 51R, 24F, 35, or 47/H5), match the chemistry to your trim—especially for start/stop—and shop promotions to keep costs down. Hybrid owners should note the auxiliary 12‑volt runs about $200–$350 and is distinct from the high‑voltage traction pack.

How much is a new battery for a Honda Accord?

Honda Accord Battery Replacement Costs: Around $75 to $200. Honda Accord Hybrid Battery Replacement Costs: Around $2,000 to $8,000.

Is $300 too much for a car battery?

Overall you can expect to pay somewhere between $100 and $300 on average for a brand-new battery to last you a few years.

How long does a Honda Accord car battery last?

A conventional Honda Accord’s battery life is generally 3 to 5 years, though it can vary due to factors like driving habits, battery type, and weather conditions. For a Honda Accord Hybrid, the high-voltage battery typically lasts 8 to 10 years or 100,000 to 150,000 miles. 
Factors affecting battery life

• Driving habits: Frequent short trips and not using the car regularly can shorten battery life. 
• Climate: Extreme temperatures, both hot and cold, can stress the battery. 
• Battery type and maintenance: Using the correct battery type and keeping terminals clean can help. 
• Parasitic drain: Some power is always drawn from the battery for electronic components even when the car is off, which can reduce its overall lifespan. 

Signs your battery might need replacing

• Dimming lights: Headlights or interior lights may appear to fade when the engine is idling. 
• Multiple failing electronics: Other electronics in the car might malfunction if the battery isn’t providing sufficient power. 
• Engine hesitation: The engine may be slow or hesitate when trying to start. 
• Sulfur smell: A rotten egg smell around the battery can indicate corrosion or a leak. 

How to prolong battery life

• Test regularly: Have your battery tested at each service visit to catch potential issues early. 
• Clean terminals: Use a wire brush to clean any corrosion off the battery terminals and posts. 
• Drive normally: Start your car regularly and avoid long periods of inactivity. 
• Store indoors: Keeping your car in a garage away from extreme temperatures can help. 

How much is a new battery for a 2018 Honda Accord?

How much to replace the battery in my Honda? Depending on power, size, and quality, prices for a replacement car battery range from about $45 to $250.