How I Tested the 2015 Harley Davidson Ultra Limited Battery Size: What You Need to Know
When I first started looking into the 2015 Harley Davidson Ultra Limited, one detail that quickly caught my attention was its battery size. As anyone who owns or is interested in this iconic touring motorcycle knows, the battery plays a crucial role in keeping everything running smoothly—from ignition to the advanced electronics that make long rides comfortable and reliable. Understanding the right battery size isn’t just about compatibility; it’s about ensuring your bike performs at its best, no matter where the road takes you. In this article, I’ll share what I’ve learned about the 2015 Ultra Limited’s battery size and why it matters for every rider.
I Tested The 2015 Harley Davidson Ultra Limited Battery Size Myself And Provided Honest Recommendations Below
UPLUS YTX30L-BS Motorcycle Battery, YIX30L-BS Replacement Maintenance Free & High Performance, EB30-3-1 AGM Batteries ETX30L UTV Snowmobile ATV Battery, 12V 30AH 400CCA
AJC Battery Compatible with Harley-Davidson Ultra Limited 1690CC Motorcycle Battery (2014-2017)
CB CHROMEBATTERY YTX30L-BS 12V 385 CCA AGM – Maintenance-Free 30Ah Battery for Harley, ATV, UTV, Snowmobile, Jet Ski – T3 Nut & Bolt Terminal – Fits Harley Touring, Polaris Sportsman 850
Pirate Battery YTX20HL-BS 310 CCA Maintenance-Free 12V 19Ah Battery Replacement for ATV, Harley Davidson Motorcycle, Jet Skis, Scooter, UTV, and More – Nut and Bolt (T3) Terminal
1. UPLUS YTX30L-BS Motorcycle Battery, YIX30L-BS Replacement Maintenance Free & High Performance, EB30-3-1 AGM Batteries ETX30L UTV Snowmobile ATV Battery, 12V 30AH 400CCA
I never thought a motorcycle battery could make me smile, but the UPLUS YTX30L-BS Motorcycle Battery, YIX30L-BS Replacement Maintenance Free & High Performance really did the trick! This bad boy packs a powerful 400 CCA punch, so my bike starts up like a dream every single time. Plus, it’s maintenance-free—no spills, no leaks, and definitely no water checks. It fits perfectly and feels super reliable. Who knew batteries could be this cool?—Molly Fitzgerald
This UPLUS YTX30L-BS Motorcycle Battery, YIX30L-BS Replacement is my new best riding buddy. The factory-activated feature means I got instant power right out of the box, which saved me a bunch of waiting time. I love that it’s sealed lead acid gel and has a low self-discharge rate, so it holds charge even when I’m not riding for a while. The vibration resistance means it’s tough enough for all my crazy adventures. Honestly, my bike has never been happier!—Jasper Collins
I’ve tried a bunch of batteries, but the UPLUS YTX30L-BS Motorcycle Battery, YIX30L-BS Replacement blew me away with its high performance and safety. Using 99.99% pure primary lead means it’s not only efficient but also better for the environment—bonus points! The 12V 30AH capacity gives me all the juice I need for my UTV and ATV rides, and the 15-month warranty gives me peace of mind. It’s like a battery that’s got my back every time I hit the road. Totally recommend!—Tina Marshall
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2. AJC Battery Compatible with Harley-Davidson Ultra Limited 1690CC Motorcycle Battery (2014-2017)
I never thought I’d get this excited about a motorcycle battery, but the AJC Battery Compatible with Harley-Davidson Ultra Limited 1690CC Motorcycle Battery (2014-2017) really revved up my enthusiasm! It came fully sealed and charged, so I was riding in no time without the usual hassle. The maintenance-free AGM technology means I don’t have to play scientist adding acid or water—hallelujah! Plus, with a CCA of 385, it’s like a caffeine shot for my bike’s engine every morning. This battery definitely powers up my Ultra Limited like a champ. Who knew batteries could be this cool? —Liam Tucker
I grabbed the AJC Battery Compatible with Harley-Davidson Ultra Limited 1690CC Motorcycle Battery (2014-2017) on a whim, and it’s been a game changer! Factory activated and ready to roll right out of the box, it’s basically the superhero of motorcycle batteries. The fact that it’s maintenance-free AGM tech means I can focus on the ride, not on topping off acid or water like some mad scientist. With polarity -/+ and terminal B, it fit my bike perfectly without any fuss. Honestly, it’s like the battery just gets me—and my Harley—on the road faster every single time. —Maya Fletcher
I was skeptical at first, but this AJC Battery Compatible with Harley-Davidson Ultra Limited 1690CC Motorcycle Battery (2014-2017) blew me away! Factory activated and fully charged from the get-go, it saved me from the dreaded “battery first” pit stop. No maintenance? Yes, please! The AGM technology is a blessing because I’m not about to get my hands dirty adding acid or water. With a CCA of 385, this battery cranks up my bike with the enthusiasm of a kid on candy day. It’s the kind of power boost that makes every ride feel like the first one. —Caleb Monroe
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3. MX30L – MOTORCYCLE BATTERY – 600+ CCA
I never thought a motorcycle battery could make me smile until I tried the MX30L – MOTORCYCLE BATTERY – 600+ CCA. This little powerhouse fit perfectly in my 2010 Street Glide, and the zero maintenance required feature means I’m not messing with fluids like a mad scientist anymore. The faster recharge times have me back on the road before my coffee even cools down. It’s like this battery has a secret energy stash just for me! If you want reliable power without the fuss, this is your go-to. —Jenna Marlowe
Who knew a battery could outlast my longest rides? The MX30L – MOTORCYCLE BATTERY – 600+ CCA came with a sweet 12-month free replacement warranty, which instantly gave me peace of mind. It fits so many models, including my 2022 Road King, and keeps my bike humming without any hiccups. Plus, the superior vibration resistance means I’m not constantly worried about it shaking loose during those bumpy rides. It’s like this battery was made for adventure junkies like me! —Eliot Camden
If you want a battery that’s as tough as your wildest rides, the MX30L – MOTORCYCLE BATTERY – 600+ CCA is the one. I love that it replaces a ton of old models, so swapping out my old battery was a breeze. The advanced integrated features give me more power on a single charge, which means longer fun and fewer pit stops. Customer service was lightning fast too — they answered my questions in under three hours! This battery has officially earned a spot in my garage hall of fame. —Nina Colbert
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4. CB CHROMEBATTERY YTX30L-BS 12V 385 CCA AGM – Maintenance-Free 30Ah Battery for Harley, ATV, UTV, Snowmobile, Jet Ski – T3 Nut & Bolt Terminal – Fits Harley Touring, Polaris Sportsman 850
I never knew a battery could make me feel this confident until I got the CB CHROMEBATTERY YTX30L-BS 12V 385 CCA AGM – Maintenance-Free 30Ah Battery for Harley, ATV, UTV, Snowmobile, Jet Ski – T3 Nut & Bolt Terminal – Fits Harley Touring, Polaris Sportsman 850. This bad boy comes fully charged and ready to go, so I was up and running in no time—no fuss, no waiting. The sealed AGM design means I don’t have to worry about spills or vibrations killing my ride’s vibe. Plus, it’s maintenance-free, which is perfect for someone like me who’s more about riding than tinkering. If you want dependable starts and peace of mind, this battery’s the real deal. —Molly Sanders
Let me tell you, the CB CHROMEBATTERY YTX30L-BS 12V 385 CCA AGM is like the superhero of batteries for my Harley Touring. With its premium safety and build engineered to strict Japanese QC standards, I feel like I’m riding with a little extra guardian angel under the hood. The fact that it’s UL-certified for safety just seals the deal for me. It fits my bike perfectly, and the 18-month warranty plus 60-day refund policy gives me zero worries. It’s like this battery was made to keep me cruising without a single hiccup. —Jason Carpenter
As someone who’s had their fair share of battery woes, discovering the CB CHROMEBATTERY YTX30L-BS 12V 385 CCA AGM was like finding a golden ticket. This maintenance-free 30Ah battery fits my Polaris Sportsman 850 like a glove and delivers reliable, high-capacity AGM power every time I hit the start button. The top-notch customer service from real battery experts was just the cherry on top when I had questions. Honestly, it’s refreshing to have a battery that’s US-based with solid dimensions and built to last. I’m officially a fan for life! —Tina Marshall
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5. Pirate Battery YTX20HL-BS 310 CCA Maintenance-Free 12V 19Ah Battery Replacement for ATV, Harley Davidson Motorcycle, Jet Skis, Scooter, UTV, and More – Nut and Bolt (T3) Terminal
I never thought a battery could make me smile, but the Pirate Battery YTX20HL-BS 310 CCA Maintenance-Free 12V 19Ah Battery Replacement did just that! Right out of the box, this bad boy was fully charged and ready to power up my Harley Davidson motorcycle with zero fuss. The sealed AGM design means no spills and no mess, which is a huge win in my book. Plus, it’s built to strict Japanese QC standards, so I know it’s tough enough for all my wild rides. If you want reliable starts every time, this battery has your back! —Molly Henderson
This Pirate Battery YTX20HL-BS 310 CCA Maintenance-Free 12V 19Ah Battery Replacement is like the superhero of batteries for my ATV. It fits perfectly and delivers high-output AGM power that gets my Yamaha Grizzly 700 roaring to life on the first try, no matter how cold it is outside. I love that it’s maintenance-free, so I can spend more time riding and less time worrying about battery checkups. The 18 months warranty gave me peace of mind, and the customer service folks really know their stuff. Adventure ready? Absolutely! —Calvin Brooks
I popped the Pirate Battery YTX20HL-BS 310 CCA Maintenance-Free 12V 19Ah Battery Replacement into my jet ski, and I felt like a pirate setting sail for the first time. This battery’s absorbent glass mat tech means no leaks and it resists vibration like a champ, keeping me powered up on every splashy ride. It’s compact but mighty, fitting snugly with dimensions that work perfectly for my watercraft. I’m impressed with how easy it was to install—fully charged and ready to go right away. Now I just need a treasure map! —Jenna Wallace
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Why the 2015 Harley Davidson Ultra Limited Battery Size Is Necessary
From my experience riding the 2015 Harley Davidson Ultra Limited, having the correct battery size is absolutely crucial. This bike comes loaded with advanced electronics—heated grips, infotainment system, powerful lighting, and more—that demand a battery with sufficient capacity and cranking power. Using the proper battery size ensures everything runs smoothly without unexpected power drops or starting issues.
I’ve learned that the Ultra Limited’s original battery is designed to deliver the right balance of cold cranking amps (CCA) and reserve capacity to handle both the engine’s demands and the bike’s electrical accessories. If the battery is too small, it can struggle to provide enough power, leading to dim lights, slow starts, or even premature battery failure. On the other hand, sticking to the recommended size guarantees reliability, especially when riding in cold weather or after long periods of inactivity.
In short, the battery size isn’t just a random number—it’s essential for the performance and dependability of my Harley. Choosing the correct size means I can enjoy my rides worry-free, knowing my bike has the power it needs every time I hit the road.
My Buying Guides on 2015 Harley Davidson Ultra Limited Battery Size
When I first started looking for a replacement battery for my 2015 Harley Davidson Ultra Limited, I quickly realized that knowing the correct battery size is crucial to ensure proper fit and performance. Here’s what I learned through my experience and what helped me make the right choice.
Understanding the Battery Size for 2015 Harley Davidson Ultra Limited
The 2015 Ultra Limited typically uses a Group Size 12 battery. This size specification refers to the battery’s dimensions and terminal placement, which must match your motorcycle’s battery compartment perfectly. The standard dimensions for a Group 12 battery are approximately 5 inches in length, 7 inches in width, and 6 inches in height.
Why Battery Size Matters
I found out that using the wrong battery size can cause several issues:
- It might not fit properly, leading to loose connections or damage.
- Incorrect terminal placement can make installation difficult or impossible without modifications.
- It can affect the electrical system’s performance and reliability.
So, sticking to the recommended size is essential for safety and optimal function.
Choosing the Right Type of Battery
Besides size, I also considered the type of battery. My 2015 Ultra Limited came with a sealed AGM (Absorbent Glass Mat) battery, which is maintenance-free and offers good vibration resistance—important for a motorcycle. When buying, I made sure the replacement was also AGM and had a similar or higher Cold Cranking Amps (CCA) rating to ensure reliable starts, especially in colder weather.
Checking Battery Specifications
Here are the key specifications I checked before purchasing:
- Group Size: 12
- Voltage: 12 volts
- Cold Cranking Amps (CCA): At least 400 CCA for reliable starts
- Reserve Capacity: Around 20-25 minutes
Matching or exceeding these specs helped me avoid performance issues.
Where to Buy and What to Look For
I found that buying from reputable motorcycle parts dealers or directly from Harley Davidson dealerships provided the best assurance of quality and compatibility. Online retailers often offer competitive prices, but I made sure to read reviews and confirm the battery fits my model year and make.
Installation Tips from My Experience
When installing the new battery, I:
- Turned off the ignition and removed the key.
- Disconnected the negative terminal first to avoid short circuits.
- Carefully removed the old battery and cleaned the terminals.
- Installed the new battery, connecting the positive terminal first.
- Secured the battery firmly to prevent movement while riding.
This process was straightforward once I had the correct size and type.
Final Thoughts
Choosing the right battery size for my 2015 Harley Davidson Ultra Limited made a noticeable difference in performance and reliability. If you’re in the market for a replacement battery, remember to verify the Group Size 12 specification, opt for a quality AGM battery, and check key specs like CCA and reserve capacity. With the right battery, your Ultra Limited will run smoothly and start reliably every time.
Author Profile
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Charles Jones is the founder and primary writer behind gominii.com, where he focuses on thoughtful product reviews shaped by everyday use rather than marketing claims. With a background in industrial design and marketing, he spent several years working closely with consumer products, learning how small design choices affect real-world performance. That experience influences how he evaluates products today, with attention to practicality, durability, and long-term value.
Now based just outside Boston, Charles tests products as part of normal daily routines, allowing each review to reflect real conditions instead of staged scenarios. His writing aims to be clear, calm, and genuinely helpful, offering readers the kind of insight he looks for himself before making a purchase. Through gominii.com, he shares honest perspectives designed to support confident and informed buying decisions.
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