When it comes to maintaining and caring for your Harley Davidson motorcycle, it’s crucial to choose the right battery size to ensure optimal performance and reliability. Our Harley Davidson battery size chart is an indispensable tool for finding the perfect battery for your bike, taking into account specific model numbers, dimensions, and specifications. This comprehensive guide will walk you through the steps to identify the best battery size for your motorcycle, so you can ride with confidence and power.
Motorcycle experts know that not all batteries are created equal, and selecting the right one for your Harley Davidson depends on several factors, including your bike’s type, usage, and personal preferences. With the Harley Davidson battery size chart, you’ll have all the information you need to make an informed decision, preventing any compatibility issues that could affect your bike’s performance.
While you may be able to find this information in your Harley Davidson user manuals, we created this chart to save you the time of digging through such paperwork laboriously. Using the Harley Davidson motorcycle battery size chart, you’ll be able to match your motorcycle’s requirements with the specifications of various battery brands and models. This will ultimately help you choose a high-quality battery that keeps your Harley running smoothly on the open road while ensuring the best riding experience possible.
Harley Davidson Motorcycle Battery Size Chart
Harley Davidson Battery Size Chart
| Model | Year | OEM number | Specification | Superstart part number | Yuasa part number |
| LH, FLT, FLR Series Touring | 1998-2021 | 66010-97 | CCA: 400; Ah:31,6 | ETX30LA | YIX30L-BS |
| FL, FLH, FLT Series Touring | 1965-1984 | 66007-84 | CCA: 200; Ah:29,5 | CHD4-12 | YHD-12 |
| FL, FLH, FLT Series Touring | 1985-1996 | 66010-82 | CCA: 350; Ah:22,1 | ETX18L | YTX24HL |
| FX, FL Softail Series | 1984-1990 | 65991-82 | CCA: 310; Ah:18,9 | CB16B | YTX20H-BS |
| FX, FL Softail Series | 1991-2021 | 65989-97 | CCA: 310; Ah:18,9 | ETX20L | YTX20HL-BS |
| FXR Series | 1999-2000 | 65991-82 | CCA: 310; Ah:18,9 | ETX20L | YTX20HL-BS |
| FXD (Dyna) All | 1991-2017 | 65989-90 | CCA: 310; Ah:18,9 | ETX20L | YTX20HL-BS |
| FX/FXR Series | 1979-1994 | 65991-75 | CCA: 310; Ah:18,9 | CB16B | YTX20H-BS |
| VRSC V-Rod | 2007-2017 | 65989-97 | CCA: 310; Ah:18,9 | ETX20L | YTX20HL |
| FX Series (Electric Start) | 1971-1978 | 65991-82 | CCA: 310; Ah:18,9 | GTX20BS | YTX20H-BS |
| FX Series (Kick Start) | 1971-1972 | CCA: 105; Ah:8,4 | CB16B | YB7-A | |
| VRSC V-Rod | 2002-2006 | 65948-00 | CCA: 240; Ah:12,6 | ETX14 | YTX14 |
| VRSCR | 2007 | 65948-00 | CCA: 240; Ah:12,6 | ETX14 | YTX14H |
| XL, XLH Sportster | 1987-1996 | 65991-82B | CCA: 310; Ah:18,9 | CHD4-12 | YTX20H-BS |
| XL, XLH, XR1200X Sportster | 2004-2021 | 65958-04 | CCA: 200; Ah:12,6 | ETX14L | YTX14L-BS |
| SS350 | All Years | 6V; Ah:11,6 | YB7AFP | 6N11A-1B | |
| XLH (Sportster Electric Start) | 1967-1978 | 66007-84 | CCA: 200; Ah:29,5 | CHD4-12 | YHD-12H |
| XL Series (Sportster) | 1979-1993 | 65991-75 | CCA: 310; Ah:18,9 | CHD4-13 | YTX20H-BS |
| SS250, SX250, SS175, SX175, SS125, SX125, SXT125 | 1974-1978 | CCA: 75; Ah:8,4 | YB7AFP | YB7L-B | |
| XLCR Cafe Racer | 1977-1978 | 65991-82 | CCA: 255; Ah:20 | ETX17 | YB16-B-CX |
| XLCH Series (Sportster Kick Start) | 1970-1978 | 66006-70 | CCA: 105; Ah:8,4 | YB7AFP | YB7-A |
| MT500 (Military) | All Years | CCA: 210; Ah:12,6 | ETX14L | YTX14AHL-BS | |
| Street | 2014-2021 | 65958-04 | CCA: 200; Ah:12,6 | ETX14L | YTX14L-BS |
| XL, XLH Sportster | 1997-2003 | 65989-97 | CCA: 270; Ah:18,9 | ETX20L | YTX20L-BS |
Harley Davidson Battery Size Basics
When it comes to Harley Davidson motorcycles, choosing the right battery size is essential for optimal performance and longevity. There are various factors to consider, such as the motorcycle’s type, usage, and your personal preferences.
The most common battery size for Harley Davidson motorcycles is the Group 30H, which measures 7.63 inches long, 5.13 inches wide, and 6.63 inches high. However, it’s important to note that the battery size may vary depending on the specific model and year of your Harley.
Additionally, Harley Davidson batteries come in two main voltage types: 6-volt and 12-volt. Visually, one can tell the difference by checking the number of stoppers on the battery’s top. A 6-volt battery has three stoppers, while a 12-volt battery has six stoppers.
There are different battery technologies available for Harley Davidson motorcycles, including traditional lead-acid, VRLA (Valve Regulated Lead Acid), AGM (Absorbent Glass Mat), and lithium motorcycle batteries. Each technology has its pros and cons, depending on factors such as weight, performance, and maintenance requirements. For instance, a lithium battery is generally more lightweight and can provide increased power, but they may require different chargers and maintenance compared to a standard lead-acid battery.
Additionally, your riding habits and intended usage play a significant part in determining the battery size. Factors such as climate, frequent stopping and starting, and accessory usage also affect the battery size that will best suit your needs.
Some Harley Davidson motorcycles have 6-volt batteries, while others have 12-volt batteries. The number of stoppers on the top of the battery is an easy way to distinguish between the two types; 6-volt batteries will have three stoppers, while 12-volt batteries will have six stoppers.
Harley Davidson Specific Models
In this section, we will explore the battery sizes for specific Harley Davidson models, grouped into their respective series.
Sportster Series
The Sportster series has been a popular option for Harley enthusiasts since 1957. This series offers lightweight bikes with strong performance and handling. The exact dimensions of this Harley battery can vary, but a common size is approximately 6″ x 3.4375″ x 5.75″ to handle the Sportster electric start.
Dyna Series
Known for their twin cam engines, the Dyna series delivers a perfect balance of power and control. The batteries for these motorcycles can vary depending on the engine size and model year, but it is usually 6″ x 3.4375″ x 6.375″ (L x W x H). Dyna models also typically use an AGM battery, which is maintenance-free and offers good vibration resistance.
Softail Series
The Softail series showcases stylish designs with hidden rear suspension, offering a comfortable ride without compromising on performance. This motorcycle battery is roughly 6.5″ x 5″ x 6.75″ (L x W x H) for most models. Some newer or specific models may have different sizes. The Softail bike model generally uses an AGM battery, which provides a reliable start and can handle the power requirements of the Softail’s accessories.
VRSC Series
Introduced in 2001, the VRSC series is known for its high-performance engine and sleek design. This motorcycle battery size is approximately 5.8″ x 3.26″ x 5.71″ (L x W x H). VRSC models often use an AGM battery, but due to the unique design of the V-Rod series, it’s particularly important to check the specific battery requirements for these models.
Touring Series
The Touring series is aimed at riders who cover long distances, providing comfort and a smooth ride. These bikes tend to demand larger battery sizes to support their systems and features which is approximately 6.5″ x 5″ x 6.75″ (L x W x H). Most Touring models use an AGM battery, specifically designed for the high demands of touring bikes.
Battery Maintenance
Proper battery maintenance is crucial for keeping your Harley Davidson running reliably and efficiently. This section will provide helpful tips to prolong the life of your battery, as well as indications of when it might be time to replace it.
Longevity Tips
Regular inspection: Check your battery regularly for signs of damage, wear, or corrosion. Clean the terminals to ensure a proper connection and prevent buildup that can hinder the battery’s performance.
Keep it charged: A well-charged replacement battery lasts longer. Make sure to keep your Harley’s battery charged, especially during periods of inactivity. Consider using a battery tender to maintain the charge level.
Secure installation: Loose or improperly installed batteries can cause damage and reduce their lifespan. Double-check that your battery is fixed securely in place and the connections are tight.
Avoid extreme temperatures: Exposure to extreme cold or heat can damage the battery and reduce its capacity. Keep your Harley Davidson in a temperature-controlled environment when not in use.
Replacement Indicators
There are several signs that it may be time to replace your motorcycle battery with a new battery. Pay attention to these indicators to avoid getting stranded with a dead battery:
Dimming headlights: If your headlights appear dimmer than usual, it could indicate that the battery is not holding a charge as effectively as it should.
Trouble starting: If your motorcycle is consistently slow or struggles to start, it may be a sign that the battery is reaching the end of its life.
Frequent jump starts: Repeatedly needing to jump-start your motorcycle is a clear indication that your battery is not holding a charge and needs replacement.
Remember to dispose of your old battery responsibly, following local regulations and recycling programs.
Harley Davidson Motorcycle Battery Types
Harley Davidson motorcycles use different battery types depending on the model and year of the bike. Knowing the right battery for your bike is crucial for optimal performance. In this section, we will discuss three common battery types used in Harley Davidson motorcycles: AGM Batteries, Gel Batteries, and Lead Acid Batteries.
AGM Batteries
Absorbent Glass Mat (AGM) batteries are a popular choice for modern Harley Davidson motorcycles. In these batteries, the electrolyte is absorbed by a fiberglass mat, making them spill-proof, low-maintenance, and resistant to vibrations. AGM batteries can provide higher power output and have a long service life. Some advantages of AGM batteries include:
Low self-discharge rate
Quick recharge time
Maintenance-free
High resistance to extreme temperatures
AGM batteries are a reliable choice as a Harley battery, as they can deliver the required power efficiently.
Gel Batteries
Gel batteries are another type of sealed, maintenance-free batteries suitable as a motorcycle battery. These batteries use a silica-based gel as the electrolyte, which prevents leakage and promotes a stable voltage output. Unlike AGM batteries, Gel batteries can better handle deep discharging. Some advantages of Gel batteries are:
Long service life
Excellent performance in high or low temperatures
High resistance to vibrations
Low self-discharge rate
Keep in mind that Gel batteries might require a longer charging time and specific chargers to avoid overcharging.
Lead Acid Batteries
Lead Acid batteries are the traditional option for many older Harley Davidson motorcycles. These batteries use liquid sulfuric acid as the electrolyte and require regular maintenance, like checking the fluid levels and adding distilled water when necessary. Some advantages of Lead Acid batteries include:
Cost-effective
Easy to recharge
Wide range of sizes and capacities available
However, drawbacks such as possible leakage, high self-discharge rate, and shorter service life make Lead Acid batteries less appealing compared to AGM and Gel batteries for newer Harley Davidson motorcycles.
Hazards and Precautions
It is crucial for Harley Davidson motorcycle owners to be aware of the potential hazards associated with batteries and how to take proper precautions. By understanding these risks, riders can maintain the safety and reliability of their motorcycles.
One potential hazard related to batteries is leakage of battery acid, which can be corrosive and cause damage to the motorcycle’s components. To avoid this problem, you should always handle the battery with care and inspect it regularly for any signs of damage or leakage. If leakage is detected, you can consult our Harley Davidson battery size chart to determine the correct replacement battery for your motorcycle.
Overcharging and undercharging the battery is another hazard that could lead to reduced battery life or even battery failure. To prevent these issues, it is essential to use a compatible battery charger designed specifically for your Harley Davidson’s battery size. Always follow the manufacturer’s recommendations for charging the battery, and ensure that it is properly connected to avoid short circuits or reverse polarity.
In addition to charging hazards, riders should be aware of the dangers associated with handling a damaged battery. If the battery is punctured, cracked, or swollen, it must be replaced immediately to prevent potential explosions, fires, or leaks. As a precaution, always wear protective gear, such as gloves and goggles, when handling or replacing the battery.
Ensuring proper installation of the battery is an important safety precaution. The battery should be firmly secured in the battery compartment to prevent vibration or movement, which could lead to cable disconnects or other issues. Using the correct battery size, will help prevent any potential fitment issues that could contribute to safety hazards.
By following these precautions and maintaining awareness of potential hazards, Harley Davidson motorcycle owners can keep their bikes in optimal condition and ensure safe and enjoyable rides.
Frequently Asked Questions on Harley Davidson Batteries
How often should I replace the battery on my Harley Davidson?
The lifespan of a motorcycle battery can vary based on usage and maintenance, but typically, you should expect to replace your battery every 3-5 years.
What is the standard battery size for a Harley Davidson?
A 12-volt motorcycle battery is standard on most Harleys. Typically, it’s a sealed lead-acid (SLA) battery, which doesn’t require any filling or maintenance and can go for long periods without water.
For enhanced performance and longevity, several recent Harley models come with lithium batteries.
What are the signs that my Harley Davidson Sportster battery needs to be replaced?
Signs that your battery may need to be replaced include difficulty starting the motorcycle, dim lights, a swollen battery case, or if the battery is more than 3-5 years old.







