Best Battery for Harley Davidson: Top 10 Picks

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Tending to a Harley Davidson includes many things, which secure the bike’s functionality, riding power, and longevity. All of them are as essential as they are high-maintenance, but there is one which lies in the heart of the vehicle. The battery is what keeps the bike running, but finding the best battery for Harley Davidson is not that simple.

Many people discount the battery, believing that any would do and choosing whichever model they have found online. This may often cause subsequent issues with the wiring, ignition, and, eventually, safety. And no one wants to have their Harley considered unrepairable, not only because of the money but because each unit is quite unique.

Top Pick
Deka Sports Power ETX-30L
Budget Choice
Yuasa YUAM620BH YTX20HL-BS Battery
Premium Choice
Renegade RG30L-WS 12 Volt 30 AH Ultra Premium Wicked Start...
Safe and insulated
CCA with approx. 20 hours of preserved power
Wide range of compatible models
Top Pick
Deka Sports Power ETX-30L
Safe and insulated
My preview
Budget Choice
Yuasa YUAM620BH YTX20HL-BS Battery
CCA with approx. 20 hours of preserved power
My preview
Premium Choice
Renegade RG30L-WS 12 Volt 30 AH Ultra Premium Wicked Start...
Wide range of compatible models
My preview

Well, I have dealt with the complexity of picking an HD battery before, and I can surely say that it takes time and effort. The choice depends on different characteristics, which demand robust expertise. For instance, the FLH series has 1340cc, which is unlikely to be compatible with YTX battery models, and so on.

Nonetheless, I would like to give you a hand here and help you choose the best motorcycle battery for Harley to last, using electric storage batteries safely. Shall I?

Top 10 Best Batteries for Harley Davidson

When it comes to the ‘heart’ of HD, it’s difficult to say who makes Harley Davidson batteries best. There are quite a few manufacturers that have been doing it for years and have got the hang of the product. Meanwhile, one thing remains clear – it’s highly recommended to acquire a battery from a reputable manufacturer to avoid damaging your vehicle.

Here are a few batteries that I know work perfectly with the bike since my friends or I have used them before. Serving well and reliably, each of them is, of course, not ideal, even if it’s the best battery for Sportster Harleys, so make sure to pay attention to the pros and cons. Well, let’s get it started!

Top Pick:

1. Deka Sports Power ETX-30L — Best Motorcycle Battery for Harley Overall

Deka Sports Power ETX-30LAmong the top-quality batteries, Deka has always been the prime choice of mine. It’s made to be safe and leak-free to prevent contamination with chemicals or spoiling the wiring. On top of this, it’s extremely easy to maintain, and once installed, it doesn’t require much cleaning, providing years of stable service.

Designed for stability and longevity, the battery is purely based on the absorbed glass mat technology. It weighs around 22 pounds, which is relatively light as for a battery for Harley Davidson. Thanks to the dimensions of approximately 7 by 7 inches, the utility fits in precisely and is firmly fixed to prevent wobbling or detachment while riding. Also, the top lid is made of highly resistant polymers, securing the liquid inside and sealing it off in cases of boiling or overheating.

As for power, the utility voltage comes to 12V, which is very compatible with most of the modern chargers. The same applies to the charge capacity, which holds for 10 hours before the battery runs out of power. It’s great for people who often travel long distances and have already been stuck in the middle of nowhere with their battery empty.

Deka Sports Power ETX-30L
  • WORRY FREE..., No Vent tube, No acid leaks to cause terminal corrosion. Withstands damaging effects of vibration.
  • MAINTENANCE FREE... No Filling, No Activation, Eliminates low water levels
  • Premium battery for the longest life
  • Extreme temperature perfomance
  • Dependable Deka Quality
  • Liquid-tight construction;
  • Hard plastic to secure the insides;
  • Safe and insulated;
  • Enhanced reserved capacity.
  • Quite pricey.

2. Yuasa YUAM620BH Battery — Harley Ultra Classic Battery Replacement

Yuasa YUAM620BHYou might be tired of supplying water to your battery to tend to the acid, so you need a dry battery, like this one. Designed for high-performance bikes, the battery is 100% compatible with YTX20HL-BS replacements, which are used as the best Harley battery options due to their CCA. Besides, the product stands out with its longevity and powerful output.

Now, if you wonder about the dimensions, then simply don’t. Because the battery uses the standard length and with, it is perfectly suitable for Harleys and takes very little time to install. Whether you have a cruiser or a touring bike, your motorcycle won’t feel the difference in weight, which is about 14lbs.

The lead-calcium technology not only seals off the body to prevent shocking but also covers all the crevices, which can cause leaks. Also, the battery runs 3 times longer than that of the same size and weight. Mind that the manufacturer doesn’t ship the item everywhere, so you have to confirm your legibility.

Yuasa YUAM620BH YTX20HL-BS Battery
  • 12 Volt, 18 amp-hour, 310 cold cranking amps, high performance maintenance-free battery
  • Totally sealed and spill-proof - all acid is absorbed in special plates and absorbed glass mat separators
  • No need to ever add water
  • Advanced lead-calcium technology hold its specific gravity more than 3 times longer than conventional batteries
  • Battery supplied dry with acid bottle
  • Versatile;
  • Safe and well-protected;
  • Hardened terminals;
  • CCA with approx. 20 hours of preserved power.
  • The paint peels off with time.

3. Renegade RG30L-WS Premium Wicked Battery — Best Road King Battery Replacement

Renegade RG30L-WS 12 VoltWhile this battery is not suitable for all HD models, it has a lot of benefits once it is compatible with your bike. Foreseeing the possibility of leaks, Renegade has doubled the body coating to seal each detail for good. Also, it has a nice cooling feature, reducing the chances of boiling, which often results in the pollution of the battery compartment and malfunctioning.

As for a relatively young company, Renegade comes to its products responsibly to make the best Harley ultra classic battery replacement options. The battery is AGM and accommodates strictly 12 Volts, which can be supplied either from a standard power source or a power generator. All of this is packed into a mobile 7 x 7-inch battery, which, unfortunately, doesn’t fit Softail Harleys.

The product is otherwise compatible with CVO Limited, Ultra Classic, Electra Glide, and many other HD models. On top of this, it’s a perfect Road King battery as regards the size and, of course, the amperage. Also, mind that you need some fitment tools to accommodate the battery in the compartment and follow the rules for battery replacement under warranty.

Renegade RG30L-WS 12 Volt 30 AH Ultra Premium Wicked Start...
  • Extra cranking power, Increased service life, Impact resistant case and cover
  • Fits: (97-19) Electra Glide, Road Glide, Road King, Street Glide, Tri-Glide, Ultra Classic models
  • 6 1/2" L x 5"W x 6 3/4" HT Please verify your dimensions. THIS BATTERY DOES NOT FIT HD SOFTAILS
  • Every Battery is fully charged and tested before it leaves our warehouse. An analysis report is included so you can be confident your battery is ready to go.
  • Please verify vehicle fitment. (See additional pictures for fitment)
  • Wide range of compatible models;
  • Arrives ready to use;
  • Increased cranking capacity;
  • Double-coated body.
  • Hefty.

4. THROTTLEX HDX14L Replacement Battery — Best Battery for Sportster

Manufactured in the U.S.A, this almost weightless HD motorcycle battery is a perfect match for the Sportster series. Just like the bike itself, the battery is designed for speed and epic travels, providing the power and low-maintenance you need. Fit it in your bike within a couple of minutes and start the engine right away as the company ships it fully charged right away.

Thanks to the low weight, which amounts to 13lbs, the dimensions are also reduced. A little over 5 inches in length and 3.5 inches in width guarantee smooth lending into the battery compartment. Moreover, since the product is manufactured in the same place where the original HD batteries are produced, it uses the same set of anti-spill technologies to secure the battery.

As for power, you can rely on a standard 12V outlet to connect the battery. With an amperage of 12 units, it provides a safe and stable power supply, preventing surges or burning down. Also, you don’t have to worry about your Sportster getting stuck in frost. With 220 CCA, you can easily bring it into motion with a single switch.

HDX14L - Harley Davidson Replacement Motorcycle Battery
  • Made in the U.S.A. - Maintenance Free - Fully Charged - Ready to Install
  • Same Quality and Power as Original Equipment Battery - 220 CCA and 12 AH. Dimensions: L = 5 7/8, W = 3 7/16, H = 5 3/4. Weight - 13 lbs.
  • AGM (Absorbed Glass Mat) Non Spillable Sealed Technology
  • Heat Sealed Cover and Patented Solid Lead Female Threaded Terminals. New Stainless Steel Bolts Included!
  • 30 Day Money Back Guarantee and 18 Month Free Replacement Warranty
  • Ideal for HD Sportsters;
  • Enhanced anti-spill;
  • Extremely light;
  • Stainless steel terminals.
  • You must check for exact compatibility before ordering.

5. Chrome Battery YTX30L-BS Motorcycle Battery — Best Battery for Harley Touring

If you are looking for a Harley Davidson motorcycle battery to last longer than usual, this option is a match. This one is designed for durability and a high power consumption rate, which normally exhausts similar models. Apart from Harleys, it’s compatible with a range of other vehicles and can be used to sustain an impressive charge on long distances.

The YTX30L-BS type is known for its portability with a width of around 5 inches so that there is no need to ‘fit it in’ forcefully. It has a standard polarity to make it easy to charge without any additional equipment used. Besides, the clips are insulated to prevent electroshocking even upon touching them while charging.

Completely sealed off, the container holds a highly acidic blend of lead chemicals, which provide twice as much power than regular chrome-based batteries. The technology is meant for reducing the time of maintenance even though it preserves the standard 12-unit voltage.

As Harley Davidson AGM battery models go, this model induces 360W of pure and steady powering, excluding interruptions or surges. Also, the terminal is standard, i.e., the nut-and-bolt junction, to be adaptable to any modern tenders.

Chrome Battery YTX30L-BS High Performance - Maintenance Free...
  • BATTERY TYPE: YTX30L-BS 12V 30AH, 385 CCA, 360 Watts (H)6. 89" x (L)6. 54" x (W)4. 96" Polarity: - + is a rechargeable, power sport battery
  • VERSATILE FIT: This YTX30L-BS battery fits in a variety of applications, ranging from motorcycles, ATVs, jet skis, and more
  • TOP TECHNOLOGY: The Acid inside is constructed with Absorbed Glass Mat technology allowing for a low-maintenance and spill proof battery. Patented sealed post prevents corrosion which gives extended battery life
  • EASY APPLICATION: Chrome Battery batteries come fully charged and ready to go once delivered. Simply connect your battery to the application and you are ready to go
  • CUSTOMER SERVICE: Top notch from real battery experts! 18 month replacement window - 30 day refund window
  • Sufficient charge;
  • Compatible with different chargers;
  • Leak-free;
  • Easy to install.
  • Complicated warranty registration process.

6. PowerSource FLSTC Heritage Softail Battery — Best Harley Softail Battery Replacement

Harley FLSTC

Softails are, of course, an indisputable classic that brings you to a different level of riding while having a very specific set of battery requirements. This battery is one of the few batteries for Harleys that suit a Softail Harley without burdening its power output.

While other models have release-year or series limitations, this one is compatible with the company’s motorcycles from the early 90s to the mid-10s.

The WPX20L-NG is a perfect blend of gel technologies and portability. It’s extremely lightweight (~15lbs), which doesn’t overload the bike and feels almost absent, especially at high speed. 4 inches long and 7 inches long, the battery is easy to remount and can be charged separately from the bike.

Another great feature here is the ignition mechanism. I’ve seen a battery where it would take up to 3 minutes to start the bike while with this battery, it takes around 3 seconds. The 20-Amp flow ignites the vehicle almost instantly since it’s rather higher than standard batteries have. However, the power input is still regular, i.e., 12V, so you don’t have to look for an extra-strong power source.

Harley FLSTC Heritage Softail Classic 1340 1450 1584 1690...
  • Factory Activated Sealed AGM Maintenance-Free, no acid water needed, never needs re-filling
  • Included Harley terminal hardware for flush front or top mount.
  • Ultra High Performance Starting Power
  • OEM compatible replacement battery
  • Polarity | - ||||| + |
  • Highly compatible with all Softail models;
  • Instant ignition;
  • Reasonable price;
  • Great warranty.
  • May vary from the manufacturer’s product images.

7. Weize YTX30L-BS Battery Replacement — Efficient HD Motorcycle Battery Replacement

Take a look at another AMG Harley Davidson battery to replace the YIX30L models. It stands out due to its conductivity and surge-free power supply, preventing overheating or boiling. There is no need to assemble since it’s shipped pre-assembled and takes minutes to install, connect, and start using.

The dimensions here are standard, 7 by 5 by 7 inches, which has been a norm for Harley models since the late 90s. It fits easily and doesn’t need any special fitment tools to secure it inside the battery compartment. Also, there is a manufacturer’s seal, which comes with a nice guarantee and money refund options to back up the manufacturer’s quality assurance.

Despite the size, the battery is suitable for replacement with CB, YB, CT, and a few other battery models. Don’t mind the differences in the amperages, which is 30 units for YTX30L-Bs, since the voltage remains unchanged, i.e., 12V. The battery is equipped with a nice safety precaution to prevent surges even if the power input is higher than the battery is designed for.

Weize YTX30L-BS Battery Replacement Yuasa YIX30L Motorcycle...
  • Battery type:YTX30L BS/YIX30L-BS; Voltage:12 ;Capacity:30 Ah; Dimensions:6.54*4.96*6.89 inch; CC:385 ; Weight:17.42LB; High Performance,Maintenance Free,Sealed AGM,Extremely Fast & Free Shipping, 30 days return or money-back guarantee,1 Year warranty.
  • This battery comes already charged, sealed, maintenance free, and ready to install.
  • The Acid inside is constructed with Absorbed Glass Mat technology allowing for a low-maintenance and spill proof battery. Patented sealed post prevents corrosion which gives extended battery life
  • Applicable Regions: for Motorcycles, ATV, Snowmobiles, UTV; Specific Compatble Model, Please Check our Description!
  • Any more concern, please feel free to contact us! We will try our best to solve it for you!! thanks
  • Versatility (can also be used for snow machines and all-terrain vehicles.
  • Powerful;
  • Safe and secured;
  • Durable.
  • You will need to find a specific angle to fix the battery.

8. Banshee Lithium-Ion 625 Cranking Battery — Best Lithium Battery for Harley Davidson

In case you’re still in search of a YTX30L-BS replacement with increased longevity, here is a solution. The lifespan is extended by 3 times due to the high-quality lithium. Besides, what can be better than a combination of durability and a reasonable weight.

The average Harley Davidson battery life is around 3 years, whereas this manufacturer claims that the Banshee 625 can last up to 5 years. What is really remarkable about this battery is that it has enhanced terminals designed specifically for Harley Davidsons regardless of the model. The clams are coated with an alloy to insulate better and facilitate charging without risking your bike’s safety.

Now, if you are wondering about the capacity it provides, then there some more upsides. The cranking power here is 625, which is 2.5 times higher than that of a normal battery. It allows for fast and effective starting each time you ignite the engine. Moreover, the power storage is extended, containing more power and providing a lower discharge level. With it, you will be warned about an upcoming discharge long before it’s due time.

Lithium-Ion Li 625 Cranking Amp CA Battery Harley FLH/T...
  • Voltage: 12.8 | W/Hr: 160 | Cranking Amps: 625
  • Extreme Light Weight - Weighs only 6.3 lbs compared to most 30L-BS batteries which can weigh up to 25 lbs
  • Flush Terminal Design - Flush terminals for better compatibility with Harley motorcycles
  • Superior Cranking Power - 680 CA
  • 2 Year Warranty | Free Shipping To US Inner 48
  • Superb cranking capacity;
  • Larger power storage;
  • No leaks;
  • Compatible with different chargers.
  • Hard to install due to the size.

9. Caltric AGM Battery Ultra Classic Electra — Best Electra Glide Battery

Caltric Agm Battery CompatibleJust like with the previous battery, this one is designed specifically for a series of Harleys, Glide Electra, though it still goes well with some other models. The specifications are made to fit the model’s battery compartment size and power consumption rate. With a wick that joins the bike electrolytes and the battery terminals, the product works efficiently from the moment it’s installed.

Hard and leak-proof, the battery is of the standard dimensions (~7×7) and weighs around 22lbs. The battery works efficiently even in the coldest seasons, where the temperature holds below zero without any freezing. It’s because of the Cold Cranking Amps, which comes to 350 units, enabling you to start your bike regardless of the climate conditions.

While Harley Softail battery replacement options are limited in their models, this battery is quite universal. It can suit other series models without losing its power or leading to power surges. Anyway, the installation process is rather simple as well, since the battery comes almost completely assembled. However, you will probably need to use straps and fix it firmly, just like with similar household batteries.

Caltric compatible with Agm Battery Harley Davidson Flhtcu...
  • Order Includes: 1x AGM Battery
  • Dimensions: Lenght: 6 9/16" - 166mm, Width: 5" - 126mm, Height: 6 7/8" - 175mm
  • Specs: 12V / 30 AH / CCA 350
  • AGM (absorbed glass mat) is a special design glass mat designed to wick the battery electrolyte between the battery plates. Maintenance free never needs water.
  • We strongly suggest comparing the posted picture to the unit(s) that needs to be replaced.
  • Extremely swift ordering and shipping;
  • High-quality plates;
  • Water-free;
  • Cooling technology.
  • Only a satisfactory warranty is available.

10. Banshee Battery for Harley Davidson Road King — Non-Lithium Motorcycle Battery for Harley Davidson

Another battery from Banshee that goes with Road King Gliders offers a lot of power packed into a small body. Created for touring vehicles, including HD bikes, the battery is completely deprived of acid. This makes the product both efficient and eco-friendly.

Using a 12V input point, the product is supplied with sufficient power to run for days without losing its fitness. Interestingly, the battery uses no acid, so that there is no chance of any toxicity emitted towards the rider. 30 Amps are conducted freely and require no maintenance.

While charging, you need to connect to the flush terminals with any tender or charger you are using simply by fixing the clamps. With 500 CCA, your bike is very resistant to freezing and will start instantly. Finally, there is a ventilation system to prevent overheating, so you don’t need to stop your Harley to cool down.

Battery for Harley Davidson FL FLH FLT FLHR Road King Glide...
  • Banshee Brand - 30L-BS battery
  • High Performance Maintenance Free battery - lasts up to three times longer than conventional batteries.
  • Maintenance Free Battery, includes terminal bolts - NO ACID
  • Flush Terminal Design
  • Mobile and neat;
  • Environmentally friendly;
  • Prompt recovery;
  • No leaks.
  • Arrives scarcely charged.

Final Words on Why You Should Pick a Battery Mindfully

As you can see, there are many options if you are looking for the best battery for Harley touring, coursing, or simply riding. A battery isn’t solely about supplying your engine with power, but it is also responsible for sustaining your bike when there is an unfavorable temperature around. It protects your crucial parts from freezing up irreversibly.

While you have a variety of batteries to choose from, you should pay attention to your type of bike. For instance, a Harley Dyna battery is likely to be a high acidity product, whereas a Harley Softail battery replacement is more difficult to find among the common models. For this, always read the compatibility instructions and make the right choice.

Anyway, I hope you have already determined which of the batteries is the one. Now, what kind of replacements have you used before? Were they any good? Also, do you prefer Gels, Wets, or AGMs? Leave your comments below!

Bruce was born in Atlanta. He started riding motorcycles when he was 10 and has been passionate about them since. Bruce says he feels absolute freedom when he’s on two wheels. He prefers riding his bike slowly and smoothly along a country road and hardly ever enjoys wildly speedy rides. With a strong Ducati Multistrada 1200 in the current stable, Bruce enjoys his super powerful, comfortable and easy rides. Ducati Diavel is the beast he’s currently dreaming about...

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