When selecting a motorcycle, its performance isn’t just all about its horsepower or handling, but also how reliably it can start. After all, nothing will spoil your fun as a rider discovering your motorcycle isn’t starting.
However, with a well-chosen battery, you can be sure that your bike is ready to ride. Whether it’s for commuting, touring, or tearing up the track, a solid battery selection means you can be sure your bike starts up every time as planned.
But how does one choose the correct motorcycle battery?
Let’s first focus on the types of motorcycle batteries you can fit.
Types of Motorcycle Batteries
You may not be aware, but selecting the correct type of battery can significantly improve your bike’s reliability, performance, and even contribute to better weight distribution.
There are three common types of motorcycle batteries that you can choose from, each with its pros and cons.
These include the following:
Lead-Acid Batteries
The original go-to for motorcycles, conventional lead-acid batteries have been around for decades. They work by converting chemical energy into electrical energy through a reversible reaction involving lead, lead dioxide, and sulfuric acid.
They are the oldest type of rechargeable battery and are still the most commonly installed units in motorcycles.
The advantages of using a lead-acid battery include its affordability and widespread availability in most auto parts and motorcycle stores.
However, the downside is they don’t last as long as other types of batteries on the market, and are not ideal for off-road or high-performance bikes, as they do tend to vibrate a lot.
While some sources state that lead-acid batteries can pose spill risks or require maintenance, most batteries nowadays are sealed and considered maintenance-free.
These are best for older bikes and budget builds.
AGM (Absorbent Glass Mat) Batteries
AGM batteries are a modern evolution of the lead-acid design, using glass mat separators to hold the electrolyte in place. They are sealed, spill-proof, and require no ongoing maintenance.
The glass mat separators also enhance the battery’s ability to handle rough terrain or aggressive riding. Another benefit is that AGM batteries typically last longer than their older lead-acid counterparts.
While AGM batteries last longer and are tougher, they are more expensive than lead-acid batteries and heavier than lithium (which is lightweight).
For riders who complete daily trips, long touring, or adventure trips, installing a newer AGM battery will save you a lot of future problems. Additionally, they are better suited for modern motorcycles, which often feature numerous electronic components.
Lithium-Ion (Li-ion) Batteries
Lightweight and high-tech, lithium-ion batteries have become the premium choice for performance and racing bikes.
They use advanced chemistry to pack more energy into a smaller, lighter package. The fact that Li-ion batteries are up to 70% lighter than lead-acid versions means they help with improving handling and acceleration.
Additionally, Li-ion batteries charge faster than the more traditional lead-acid versions. Add to that the fact that they last longer and require no maintenance, and it’s easy to see why many bikers are using Li-ion batteries for their rides.
However, these batteries are more expensive and have been known to be sensitive to cold weather. If you’re looking to reduce weight with your racing bike, selecting a Li-ion battery can help.
After you’re sure which type of battery you want to fit to your ride, there are a few other key factors to consider.
Key Factors When Choosing a Motorcycle Battery
When it comes to motorcycle batteries, it’s not just about picking the most expensive or most advanced option; it’s about finding the right fit for your specific bike and riding style.
Here are four essential factors to consider:
1. Correct Size & Fitment
Motorcycle batteries come in a wide variety of shapes, sizes, and terminal configurations.
Installing the wrong size can lead to poor electrical contact, improper seating, or even damage to your bike’s battery tray.
What to do:
- Check your owner’s manual for the recommended battery size and specs.
- Use the code on your current battery (e.g., YTX9-BS) as a reference.
- Pay attention to terminal orientation (left vs. right positive) to ensure compatibility.
Also, a battery that’s too tall can interfere with your seat or frame; too short, and it may rattle or come loose.
2. Cold Cranking Amps (CCA)
CCA refers to the battery’s ability to deliver an intense burst of power to start your engine, even in cold weather.
Motorcycles with larger engines or fuel injection systems generally require higher CCA.
What to look for:
- Choose a battery with CCA equal to or greater than the manufacturer’s recommendation.
- If you live in a cold climate or ride year-round, a higher CCA rating provides more reliable starts.
Low CCA is a common cause of hard starts or no-starts in winter.
3. Amp-Hour (Ah) Rating
The Ah rating indicates the battery’s electrical capacity, or how long it can power your bike’s systems before needing a recharge.
A higher Ah rating is beneficial if your bike runs lots of accessories (e.g., heated grips, phone chargers, GPS units).
What to consider:
- Commuters and touring riders may benefit from a higher Ah battery to support electronics during extended rides or traffic stops.
- Don’t go too low; an underpowered battery can drain quickly and wear out faster.
A higher Ah rating often means a slightly larger or heavier battery. Check space constraints before upgrading.
4. Vibration Resistance
Motorcycles are inherently more exposed to vibration than cars, especially off-road bikes, cruisers, and sportbikes.
Excessive vibration can shorten battery life or even cause internal damage
Which batteries are best?
- AGM (Absorbent Glass Mat) and Lithium-ion batteries are engineered to handle high-vibration environments.
- Flooded lead-acid batteries are more prone to wear and may leak or crack under stress.
For adventure, dual-sport, and racing bikes, always choose a vibration-resistant option.
Buying a SABAT Motorcycle Battery
The correct motorcycle battery strikes a balance between performance, reliability, and the specific needs of your riding style.
Whether you opt for conventional, AGM, or lithium, investing in a quality battery means less downtime and more time on the road.
Find the motorcycle battery you need here.