Battery Size Guide: What Size Battery Does A 2008 Honda Accord Take? Specs & Options [Updated On- 2025]

The 2008 Honda Accord uses a Group Size 51R battery with 500 Cold Cranking Amps (CCA) for the L4 2.4L engine. For the V6 engine, choose Group Size 35 with 640 CCA. Battery prices range from $134.95 to $259.99. Always check specifications to ensure optimal performance and safety.

A Group 24F battery offers a length of about 10.25 inches, a width of approximately 6.81 inches, and a height of around 9.06 inches. This battery generally provides a cold cranking amps (CCA) rating between 500 and 800 amps, crucial for starting the engine efficiently, especially in colder temperatures. Alternatively, the Group 35 battery dimensions are slightly smaller, measuring around 9.06 inches in length and 7.01 inches in height.

When choosing a battery, consider factors like warranty, maintenance requirements, and performance ratings. Selecting the right battery is essential for the longevity of your Honda Accord.

Next, we will explore the installation process and maintenance tips to keep your 2008 Honda Accord battery functioning effectively. This knowledge will help in maximizing battery life and ensuring reliable vehicle operation.

# Table of Contents

What Size Battery Does a 2008 Honda Accord Require?

The 2008 Honda Accord requires a Group Size 24F battery.

Main Specifications:
– Group Size: 24F
– Cold Cranking Amps (CCA): 550-650
– Reserve Capacity (RC): 100-130 minutes
Battery Types:
– Lead-Acid Battery
– AGM Battery (Absorbent Glass Mat)
– Lithium-Ion Battery (less common)
Additional Considerations:
– Vehicle engine size impacts battery choice.
– Climate conditions can affect battery performance.
– Aftermarket options may vary in specifications.

Understanding the appropriate battery specifications can help ensure optimal vehicle performance.

Group Size 24F:
The 2008 Honda Accord requires a battery with a group size of 24F. This size is standardized and fits securely in the battery compartment. It is crucial to select the correct size to avoid possible damage from improper fitting. Group 24F batteries are commonly used in many vehicles, including sedans and SUVs.
Cold Cranking Amps (CCA):
Cold cranking amps (CCA) measure the battery’s ability to start an engine in cold temperatures. The 2008 Honda Accord typically requires a battery with a CCA rating between 550 and 650. Higher CCA ratings indicate better performance in cold weather. A study by the Battery Council International (BCI) found that batteries with lower CCA may struggle to start vehicles in freezing temperatures.
Reserve Capacity (RC):
Reserve capacity (RC) is the time a battery can power essential components after the engine is turned off. For the 2008 Honda Accord, this is generally between 100 and 130 minutes. A battery with a higher RC can provide more electrical power for vehicle accessories. The Auto Care Association notes that a well-maintained battery with sufficient RC helps preserve electrical systems during short trips or unexpected circumstances.
Battery Types:
The most common types of batteries for the 2008 Honda Accord include lead-acid and AGM batteries. Lead-acid batteries are affordable and widely available. AGM batteries, known for their durability and vibration resistance, offer better performance and longevity but tend to be pricier. Lithium-ion batteries are less common but are gaining popularity due to their lighter weight and enhanced efficiency. However, they may require further adaptation for compatibility.
Additional Considerations:
When selecting a battery, consider the engine size and climate. Larger engines might require higher CCA ratings. Additionally, cold weather can affect battery efficiency. In colder regions, a higher CCA rating can be beneficial, while warmer climates may not necessitate it. Aftermarket options can also provide varied specifications, potentially offering improved performance.

What Are the Key Specifications of the Recommended Battery for a 2008 Honda Accord?

The recommended battery for a 2008 Honda Accord typically has the following key specifications.

Group Size: 24F
Cold Cranking Amps (CCA): 600
Reserve Capacity (RC): 120 minutes
Voltage: 12 volts
Type: Flooded Lead-Acid or Absorbent Glass Mat (AGM)

Different perspectives regarding battery options exist in terms of performance and longevity. For instance, some users prefer AGM batteries for their durability, while others may opt for standard flooded lead-acid batteries due to lower costs. Additionally, battery performance can vary with climate conditions. A battery that works well in warm climates may not perform as efficiently in colder conditions. Choosing the right battery is essential for maintaining vehicle performance and reliability.

Group Size:
The group size for batteries defines their dimensions and terminal configurations. For a 2008 Honda Accord, it is specifically classified as group size 24F. This classification ensures compatibility with the vehicle’s battery tray.
Cold Cranking Amps (CCA):
Cold Cranking Amps (CCA) measures the battery’s ability to start an engine in cold conditions. A 600 CCA rating means the battery can provide sufficient power to start the engine at temperatures of 0°F (-18°C) for 30 seconds. This specification is critical, particularly in colder climates where strong starting power is necessary.
Reserve Capacity (RC):
Reserve Capacity (RC) quantifies how long the battery can run on its own power without the engine running. A reserve capacity of 120 minutes means the battery can supply power to the vehicle’s electrical system for two hours in the event of alternator failure. This feature can be crucial during emergencies or unexpected situations.
Voltage:
The voltage of a battery is a fundamental specification, and a standard car battery, including that for a 2008 Honda Accord, operates at 12 volts. This voltage is essential for powering the vehicle’s electrical systems, including lights and accessories.
Type:
The primary types of batteries used for the Accord are flooded lead-acid and AGM batteries. Flooded lead-acid batteries are conventional and less expensive, while AGM batteries offer better performance and longevity. AGM batteries also provide leak resistance and faster charging, making them a popular choice for those seeking quality and reliability.

What Is the Group Size Number for a 2008 Honda Accord Battery?

The group size number for a 2008 Honda Accord battery is 24F. This number indicates the battery’s physical dimensions and terminal configuration, which are critical for proper fit and function in the vehicle.

According to the Battery Council International (BCI), the group size provides standard specifications for battery dimensions and terminal layout. BCI defines group sizes to ensure compatibility across various vehicle models.

The group size 24F typically measures approximately 10.25 inches in length, 6.81 inches in width, and 8.75 inches in height. The “F” signifies the location of the terminals, with the positive terminal positioned on the left side when facing the battery’s terminals.

Additionally, the Auto Care Association states that using the correct group size battery enhances vehicle performance and longevity. A mismatched battery can lead to electrical issues or even damage to the vehicle’s electrical system.

The primary factor influencing battery group size selection is the vehicle’s engine type and power requirements. Factors such as climate and driving conditions can also affect battery performance and lifespan.

Research shows that improper battery selection can lead to a 30% decrease in performance and a reduced lifespan by up to 50%. This information is supported by data from Consumer Reports on automotive batteries.

Using the appropriate battery size can improve vehicle reliability and efficiency. A well-fitting battery contributes to better starting power and ensures the vehicle’s electrical system functions optimally.

Proper battery fit can impact environmental factors by reducing electronic waste and promoting battery recycling. An efficient vehicle leads to lower emissions, positively affecting air quality.

For optimal performance, manufacturers recommend regularly checking battery health and ensuring the correct specifications are used to avoid issues. Maintenance practices include cleaning terminals and checking connections.

Using high-quality batteries from reputable manufacturers can help mitigate potential issues. Experts recommend following the owner’s manual to ensure vehicle-specific battery requirements are met.

In summary, the group size number for a 2008 Honda Accord battery is 24F. This specification is critical for ensuring compatibility and optimal vehicle functioning.

What Are the Cold Cranking Amps (CCA) Requirements for a 2008 Honda Accord?

The Cold Cranking Amps (CCA) requirement for a 2008 Honda Accord is typically around 450 to 600 CCA, depending on the specific engine variant.

Engine Types:
– 2.4L Inline-4 engine
– 3.5L V6 engine
Cold Cranking Amps (CCA) Recommendations:
– 2.4L Inline-4: 450 CCA
– 3.5L V6: 600 CCA
Battery Options:
– Standard lead-acid batteries
– AGM (Absorbent Glass Mat) batteries
– Lithium-ion batteries
Factors Influencing CCA Needs:
– Climate conditions
– Vehicle usage
– Age of the vehicle

While the CCA requirements may vary, understanding the specifics of your Honda Accord’s engine and battery capabilities is crucial.

Engine Types:
The engine types in a 2008 Honda Accord include the 2.4L Inline-4 and the 3.5L V6. The 2.4L engine typically requires a battery with a minimum of 450 CCA, while the more powerful 3.5L V6 needs around 600 CCA for optimal performance. The type of engine influences the overall power needed from the battery, particularly in colder conditions where higher CCA ratings help start the engine efficiently.
Cold Cranking Amps (CCA) Recommendations:
CCA is a rating that defines a battery’s ability to start an engine in cold temperatures. For the 2.4L Inline-4 engine, a battery with a minimum of 450 CCA is suggested. Conversely, the 3.5L V6 engine requires a battery with a minimum of 600 CCA. These ratings ensure reliable starts, especially in cold weather where lower temperatures can significantly decrease battery performance.
Battery Options:
Various battery types can meet the CCA requirements for the 2008 Honda Accord. Standard lead-acid batteries are commonly used and affordable. AGM (Absorbent Glass Mat) batteries offer better performance and longevity but come at a higher cost. Lithium-ion batteries provide high energy density and rapid charging capabilities but are rare in traditional vehicles due to their price and complexity. Each battery type has its advantages and considerations regarding cost and performance.
Factors Influencing CCA Needs:
Several factors can influence the CCA needs for your Honda Accord. Climate conditions play a crucial role; colder environments necessitate higher CCA ratings for effective engine starts. Vehicle usage patterns also matter; frequent short trips might require a higher CCA battery to ensure the battery is charged sufficiently. Lastly, the age of the vehicle can impact battery efficiency, as older models may require batteries with higher CCA ratings due to wear and tear on the starter and electrical systems.

Which Battery Brands Are Recommended for a 2008 Honda Accord?

The recommended battery brands for a 2008 Honda Accord include Optima, DieHard, Interstate, and Odyssey.

Optima Batteries
DieHard Batteries
Interstate Batteries
Odyssey Batteries

When choosing a battery brand, consider the specific performance and warranty features offered by each option.

Optima Batteries:
Optima Batteries are known for their superior starting power and deep-cycle capability. They utilize a sealed, maintenance-free design and feature a high resistance to vibration, making them reliable in extreme conditions. Optima offers a 3-5 year warranty, which indicates their confidence in product longevity. Many users report improved performance in both cold starts and heavy accessory loads.
DieHard Batteries:
DieHard Batteries are recognized for their durability and dependability. They offer a variety of batteries tailored for different driving needs. Their batteries often come with a 3-5 year warranty. DieHard is also praised for its good performance under harsh weather conditions, making it a wise choice in regions with significant temperature fluctuations.
Interstate Batteries:
Interstate Batteries are highly reputable in the automotive industry. They provide a wide range of options, including conventional lead-acid and AGM (Absorbent Glass Mat) models. Interstate batteries typically come with a warranty of 2-5 years. They are valued for their consistent performance and reliability, often favored by both consumers and professionals.
Odyssey Batteries:
Odyssey Batteries are distinguished for their long life and performance in extreme environments. They utilize a pure lead AGM design, allowing for greater deep cycling capability. Their batteries often last up to 10 years with proper maintenance. Odyssey offers a 3-10 year warranty, reflecting their durability and performance reliability.

In summary, each battery brand presents unique attributes suitable for a 2008 Honda Accord. Selecting based on anticipated usage, warranty, and performance will help in making an informed decision.

What Factors Should You Consider When Choosing a Battery for a 2008 Honda Accord?

When choosing a battery for a 2008 Honda Accord, consider factors such as battery size, type, cold cranking amps (CCA), amp hour (Ah), and warranty.

Battery Size
Battery Type
Cold Cranking Amps (CCA)
Amp Hour (Ah)
Warranty

Understanding these factors helps ensure you select the best battery for performance and longevity.

Battery Size:
The battery size refers to the physical dimensions of the battery that fit in your vehicle’s designated battery tray. For the 2008 Honda Accord, the recommended group size is typically 24F. Choosing the correct size is crucial to ensure proper fitting and functioning within the engine compartment.
Battery Type:
Battery type indicates the chemical makeup of the battery, which affects performance characteristics. Lead-acid batteries (flooded and AGM) are common for this vehicle. AGM (Absorbent Glass Mat) batteries provide better performance in terms of lifespan and resistance to vibration. However, they tend to be more expensive compared to traditional flooded batteries.
Cold Cranking Amps (CCA):
Cold cranking amps denote the battery’s ability to start the engine in cold temperatures. A higher CCA rating indicates better performance in cold weather. For the 2008 Honda Accord, a CCA of at least 600 is recommended. This ensures reliability during winter starts, particularly in colder climates.
Amp Hour (Ah):
Amp hour is a measurement of how much power the battery can deliver over time. A higher Ah rating means the battery can sustain power drainage longer. While not usually a major concern for average car use, it’s an important factor for drivers who frequently use electrical accessories.
Warranty:
Warranty length and terms are critical factors. A longer warranty often indicates a higher-quality battery. Brands offering a solid warranty provide assurance of their product’s reliability and lifespan, with typical warranties ranging from 2 to 4 years for automotive batteries.

By evaluating these factors, you can make an informed decision when selecting a battery for your 2008 Honda Accord.

How Does Weather Impact Battery Performance in a 2008 Honda Accord?

Weather significantly impacts battery performance in a 2008 Honda Accord. Temperature extremes can reduce a battery’s efficiency. Cold weather lowers battery capacity and slows chemical reactions, making it harder to start the engine. Hot weather can cause battery fluid to evaporate, leading to corrosion and reduced lifespan.

For optimal performance, maintain the battery in moderate temperatures whenever possible. Regular maintenance can also help. Check the battery connections and clean any corrosion to ensure good conductivity.

In summary, both cold and hot weather affect battery performance in a 2008 Honda Accord by impacting its capacity and lifespan.

What Is the Expected Lifespan of a Battery in a 2008 Honda Accord?

The expected lifespan of a battery in a 2008 Honda Accord is typically between three to five years. This duration varies depending on usage, maintenance, and environmental factors.

According to the Battery Council International, the average lifespan of a car battery generally ranges from three to five years, depending on the type and quality of the battery.

A car battery’s lifespan can be influenced by several factors, including driving habits, battery quality, temperature, and maintenance practices. Regular usage can help keep the battery charged, while extreme temperatures may negatively affect its performance.

The Car Care Council defines a car battery as a critical component that stores electrical energy for starting the engine and powering electrical systems in the vehicle. Properly maintaining the battery can extend its functional life.

Causes of reduced battery life may include frequent short trips, exposing the battery to extreme heat or cold, and lack of regular maintenance, such as cleaning terminals and checking fluid levels.

Research indicates that battery lifespan can be diminished by improper charging or discharging cycles. A study from AAA states that about 30% of drivers might face battery failure before reaching their battery’s expected lifespan.

Diminished battery performance can lead to starting issues and overall vehicle reliability. Car owners may experience unexpected breakdowns, which can result in increased repair costs and inconvenience.

The environmental impact of automobile batteries, particularly lead-acid types, raises concerns regarding proper disposal and recycling. Mismanagement can lead to soil and water contamination.

Efforts to address battery lifespan issues may include regular maintenance checks, using high-quality batteries, and considering advanced battery technologies like lithium-ion. The Department of Energy recommends proper care to extend battery life, including avoiding deep discharging.

Specific strategies to enhance battery longevity involve regular inspections, keeping terminals clean, and ensuring the battery is securely mounted to prevent vibrations. Following manufacturer guidelines can also enhance battery performance.

How Can You Install a Battery Correctly in a 2008 Honda Accord?

To install a battery correctly in a 2008 Honda Accord, ensure you follow these key steps: gather necessary tools, disconnect the old battery, remove it, install the new battery, and connect it properly.

Gather necessary tools: You will need a wrench and a battery terminal cleaner. The wrench allows you to loosen the battery terminals, while the cleaner removes corrosion, ensuring good contact.
Disconnect the old battery: Start by locating the battery under the hood. Use the wrench to first loosen the negative terminal, which is usually marked with a minus (-) sign. Then disconnect the positive terminal, marked with a plus (+) sign. This prevents any electrical short when you remove the battery.
Remove the old battery: After disconnecting the terminals, carefully lift the old battery out of the battery tray. Batteries can be heavy, so take care not to injure yourself. Make sure to recycle the old battery according to local regulations.
Install the new battery: Place the new battery into the battery tray. Ensure the positive and negative terminals are positioned correctly, matching the terminal placements of the old battery.
Connect the new battery: Start by attaching the positive terminal first. Tighten it with the wrench until it’s secure. Next, attach the negative terminal and also tighten it. This order helps prevent sparks and ensures safety.

By following these steps carefully, you ensure a safe and effective installation of the battery in your 2008 Honda Accord, allowing the vehicle to function properly.

What Are the Signs Your 2008 Honda Accord Requires a New Battery?

Signs that your 2008 Honda Accord requires a new battery include the following:

The engine does not start or cranks slowly.
The dashboard lights are dim or flickering.
The battery warning light on the dashboard is illuminated.
The electrical accessories (like lights, radio, or windows) function poorly or intermittently.
The battery terminals show corrosion or buildup.
The battery is older than three to five years.
A rotten egg smell or any unusual odor comes from the battery.

Recognizing these signs helps ensure that you replace the battery before it fails completely. Below, these points are detailed to provide further understanding.

The Engine Does Not Start or Cranks Slowly: When the engine fails to start or the cranking is sluggish, it often indicates a weak battery. A healthy battery should deliver sufficient power to start the engine promptly. If you experience this issue several times, it might be time to replace the battery.
Dashboard Lights Are Dim or Flickering: Dim or flickering lights are usually signs of low battery voltage. A functioning battery should provide stable power to the vehicle’s electrical systems. If your dashboard lights do not maintain brightness, consider having the battery tested.
Battery Warning Light on the Dashboard is Illuminated: This warning light signals that the battery is not charging correctly. According to Honda’s maintenance guidelines, if this light remains lit, the battery or related systems like the alternator should be checked for faults.
Electrical Accessories Function Poorly or Intermittently: If systems like headlights, radio, or power windows are behaving erratically, it may point to battery issues. Batteries that are failing often struggle to support all electrical components efficiently, indicating a need for replacement.
Corrosion or Buildup on Battery Terminals: Corrosion appears as a white, ashy substance on battery terminals and indicates poor electrical connections. This can lead to power loss and suggests the battery may need replacement if cleaning does not resolve the issue.
Battery Age Exceeds Three to Five Years: Batteries generally have a lifespan of three to five years. If your battery is within or beyond this range, proactive testing is advisable. Older batteries are more likely to fail and may need immediate replacement.
Unusual Odor from the Battery: A rotten egg smell can indicate that sulfuric gas is escaping, a sign that your battery is overheating or failing. This poses a safety hazard and requires immediate attention.

Monitoring these signs will help ensure your 2008 Honda Accord remains reliable and functional.

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