Your Harley-Davidson is more than just a motorcycle; it’s a statement of freedom and power. But that statement falls silent without a reliable battery to deliver the consistent, strong cranking power needed for every start. A subpar battery can leave you stranded, while the right one ensures your ride is ready to go when you are, providing peace of mind on every journey.
Choosing the correct battery involves more than just matching part numbers. You need to consider Cold Cranking Amps (CCA) for reliable starts in all weather, construction quality to withstand vibration, and a maintenance-free design for hassle-free ownership. Our 2025 guide cuts through the noise to present eight of the best options, from trusted OEM replacements to high-performance upgrades, to keep your Harley thundering down the road.
Our Top Battery Picks for Your Harley-Davidson
- Pirate Battery YTX20HL-BS 310 CCA Maintenance-Free Battery
- UPLUS EB20H-3 YTX20HL-BS Maintenance Free AGM Powersports Battery
- PowerStar AGM Battery for Harley FLHT Touring Electra Glide
- Weize YTX20HL-BS High Performance Maintenance Free Battery
- CB CHROMEBATTERY YTX14L-BS Replacement Battery for Harley
- Yuasa YUAM320BS YTX20L-BS Maintenance Free AGM Battery
- Odyssey PC680 Battery for Harley-Davidson Motorcycles
- MotoBatt MBTX20U QuadFlex AGM Sealed Battery
Pirate Battery YTX20HL-BS 310 CCA Maintenance-Free Battery
For riders seeking a dependable and safe battery from a U.S.-based company, the Pirate Battery is a strong contender. It is engineered to strict Japanese quality control standards and is UL-certified, providing an extra layer of confidence in its construction and safety. The sealed Absorbent Glass Mat (AGM) design is completely maintenance-free, preventing acid spills and offering excellent resistance against the vibrations inherent in motorcycle riding.
This battery delivers 310 Cold Cranking Amps (CCA) and a 19Ah capacity, providing the reliable power needed for consistent starts. Backing this performance is an impressive 18-month warranty with a 60-day refund policy, supported by a customer service team comprised of real battery experts. This combination of quality, safety, and strong support makes it a trustworthy choice for your Harley.
UPLUS EB20H-3 YTX20HL-BS Maintenance Free AGM Powersports Battery
The UPLUS battery stands out with its focus on longevity and durability. The manufacturer claims a potential lifespan of over five years, achieved through the use of high-purity materials and a corrosion-resistant micro-crystal structure. This extended service life offers excellent value, reducing the frequency of battery replacements.
Further enhancing its durability is the use of PP material for the casing, which provides better heat resistance than traditional ABS plastic. This makes the battery less likely to deform in high-temperature environments, such as a hot engine compartment, ensuring a secure fit and reliable performance season after season. With 310 CCA, it matches the power output of many standard replacements but with a build designed to last.
PowerStar AGM Battery for Harley FLHT Touring Electra Glide
If you own a larger Harley Touring model like the Electra Glide or Street Glide, the PowerStar battery is engineered specifically for your needs. It offers a significant power upgrade with 500 Cold Cranking Amps and a 30Ah capacity, providing immense starting power for big twin engines, especially in colder climates or for bikes with additional electrical accessories.
This battery uses the PM30L-BS-HD/YTX30L-BS form factor, a common specification for many Harley-Davidson Touring models. It is manufactured with high-quality materials and rigorously tested to ensure not only power but also safety and OEM compatibility. For riders who demand maximum electrical performance and reliability from their touring motorcycle, this is a top-tier option.
Weize YTX20HL-BS High Performance Maintenance Free Battery
The Weize battery is all about convenience and immediate installation. It arrives pre-charged, sealed, and ready to be installed right out of the box, saving you time and hassle. This plug-and-play approach is ideal for riders who want a straightforward replacement without any extra steps.
As a sealed AGM battery, it requires zero maintenance throughout its life, so you never have to check or add water. Its construction is designed to resist vibration and prevent leaks, making it a safe and reliable power source for your motorcycle. For a simple, effective, and ready-to-ride battery solution, the Weize is a practical choice.
CB CHROMEBATTERY YTX14L-BS Replacement Battery for Harley
This battery from CB CHROMEBATTERY is a direct-fit solution for many Harley-Davidson models from 2004 to 2021 that require a YTX14L-BS battery. Its compact dimensions make it an ideal choice for models where space is at a premium, without sacrificing the quality and features riders expect.
Like its larger counterpart from Pirate Battery, this model is built to strict Japanese QC standards and is UL-certified for safety. The sealed AGM design is maintenance-free and built to resist vibration. It also comes with the same strong 18-month warranty and U.S.-based expert customer support, providing a reliable and compact power source for your ride.
Yuasa YUAM320BS YTX20L-BS Maintenance Free AGM Battery
Yuasa is a name synonymous with quality in the powersports battery world, often serving as the original equipment manufacturer (OEM) for many motorcycle brands. This particular model is a maintenance-free AGM battery, meaning it is totally sealed, spill-proof, and never requires watering.
While it offers a slightly different specification with 270 Cold Cranking Amps, it is a direct replacement for the YTX20L-BS part number used in many motorcycles. Choosing a Yuasa battery means opting for a product from one of the most trusted and established brands in the industry, known for its consistent performance and reliability over the long term.
Odyssey PC680 Battery for Harley-Davidson Motorcycles
The Odyssey PC680 is a legendary performance battery built with rugged, pure lead plates. It utilizes an advanced Absorbent Glass Mat design that can withstand deep discharges and recover effectively, a feature that sets it apart from standard batteries. This makes it an excellent choice for bikes that may sit for periods or for riders who use high-draw accessories.
Renowned for its exceptional vibration resistance and long service life, the PC680 is a favorite among enthusiasts who prioritize durability and maximum power output. It has a very high cranking power for its size and a notably long shelf life. For those seeking a premium, heavy-duty upgrade, the Odyssey brand is frequently at the top of the list.
MotoBatt MBTX20U QuadFlex AGM Sealed Battery
MotoBatt batteries are easily recognizable by their distinctive yellow casing and innovative QuadFlex terminal system. This unique feature provides four different terminal connection points, offering incredible flexibility for installation in a wide range of motorcycles with different cable configurations. This can simplify the installation process significantly.
Beyond the versatile terminals, it is a sealed AGM battery that is completely maintenance-free and designed to deliver strong, reliable power. The rugged construction helps it handle the demands of the road. If you value installation flexibility and a modern design, the MotoBatt MBTX20U is a compelling and user-friendly option to consider.
Buying Guide: How to Pick the Right Battery for Your Harley
Choosing the right battery for your Harley-Davidson isn’t just about finding one that fits in the box. It’s about reliability, power, and making sure you aren’t stranded somewhere. I’ve learned that the hard way. When you’re looking at the 8 Best Batteries for Harley Motorcycles: 2025 Review Guide, there are a few key things you need to keep in mind to make a smart purchase.
First, you need to decide on the battery type. For years, traditional lead-acid (AGM) batteries were the standard. They’re reliable and a solid choice if you’re on a budget. However, the market has shifted heavily towards Lithium-Iron (LiFePO4) batteries. I’ve made the switch myself, and the difference is noticeable. They’re incredibly lightweight, often less than a quarter of the weight of a lead-acid battery, which can help with handling. They also hold a charge much longer when the bike is sitting, and they provide serious cranking power, even in cold weather. The main downside is the higher upfront cost, but for many riders, the benefits are worth it.
Next, look at the Cold Cranking Amps (CCA). This is the measure of a battery’s ability to start an engine in cold temperatures. For a big V-twin engine, you don’t want to skimp here. Check your owner’s manual for the manufacturer’s recommendation, but generally, you’ll want a battery with a CCA rating of at least 300, and often higher for larger engines or if you live in a colder climate. More CCA means a stronger, more confident start.
Finally, you have to get the physical details right. Check the terminal configuration. Harley-Davidson typically uses a specific layout where the positive terminal is on the left and the negative is on the right when you’re looking at the battery from the top. Getting this wrong means a frustrating installation. Also, confirm the exact dimensions (Length x Width x Height) to ensure it will fit snugly in your bike’s battery tray. A battery that’s even a few millimeters too big won’t work. Taking a few minutes to verify your bike’s model year and the required battery group size will save you a major headache later. It’s all about matching the power and the package to your specific ride.
FAQ
What is the average lifespan of a Harley motorcycle battery?
A good quality AGM battery typically lasts between 3 to 5 years with proper care. Lithium-ion batteries can last significantly longer, often between 5 to 8 years or more. The actual lifespan depends heavily on your riding habits, how often you use a battery tender, and the climate you live in. Regular riding and keeping the battery charged are the best ways to extend its life.
Can I use a car battery in my Harley-Davidson?
I strongly advise against it. Car batteries are not designed for the vibrations of a motorcycle and can fail prematurely or even leak acid, causing serious damage. Motorcycle batteries, including those in our 8 Best Batteries for Harley Motorcycles: 2025 Review Guide, are built with specific construction to handle the shaking and bouncing that comes with life on two wheels. Always use a battery designed for motorcycle use.
How often should I put my Harley battery on a tender?
If you aren’t riding your bike for more than two weeks at a time, you should connect it to a smart battery tender or maintainer. This is especially crucial during the winter storage months. Modern tenders are smart; they charge the battery and then switch to a float mode to maintain it without overcharging. This simple habit is the single best thing you can do to prolong your battery’s health.
Are lithium batteries really worth the extra cost for a Harley?
For many riders, yes. While the initial price is higher, lithium batteries offer major advantages. They are much lighter, which can slightly improve performance. They hold a charge for months, so your bike is more likely to start after sitting. They also provide very strong cranking amps for a fast start. If you hate the idea of a dead battery after a few weeks of inactivity, the investment in a lithium battery can be a great peace of mind.
What are the signs that my Harley battery needs to be replaced?
Watch out for a slow crank when you hit the starter button—that classic “rurr-rurr-rurr” sound is a dead giveaway. If your headlight dims significantly when you try to start the bike, that’s another red flag. Sometimes, you might see physical signs like a swollen or bulging battery case. If you need to jump-start your bike frequently, it’s definitely time to start looking for a replacement.