When your Toro lawn mower refuses to start, a failing battery is often the culprit. A reliable replacement is crucial for getting your yard work back on track, whether you’re dealing with a riding mower that needs a powerful crank or a cordless model that demands long-lasting energy. With so many options on the market, from traditional lead-acid to modern lithium-ion, finding the right fit for your specific Toro model can be a challenge.
This roundup simplifies your search by highlighting nine of the best replacement batteries available. We’ve compiled a selection that covers various Toro mower types, ensuring you can find a high-quality, compatible battery that delivers the performance and reliability you need to keep your lawn looking pristine throughout the season.
Our Top Picks for Toro Lawn Mower Batteries
- UPLUS U1 Riding Lawn Mower Battery, 12V 330CCA
- Mighty Max Battery ML3-12 Replacement for Toro
- 5.0Ah Lithium-ion Replacement for Toro 60V Battery
- Marxon U1 330CCA Riding Lawn Mower Batteries
- xiixtoo Replacement 4.0Ah 60V Lithium Battery for Toro
- MARXON U1 280CCA Riding Lawn Mower Batteries
- Autocessking Lawn Garden AGM Battery Group 1
- Mighty Max Battery 12V 35Ah SLA Replacement
- ExpertPower 12V 35Ah Rechargeable Battery
UPLUS U1 Riding Lawn Mower Battery, 12V 330CCA
For riders and garden tractors, the UPLUS U1 battery offers a robust 330 Cold Cranking Amps (CCA) to ensure a strong start every time. Built as a maintenance-free AGM (Absorbent Glass Mat) battery, it eliminates the hassle of checking water levels and prevents leaks and spills, making it a safe and clean option for your equipment.
UPLUS emphasizes quality by using 99.99% pure primary lead, which contributes to better charging efficiency and long-term reliability. With a design focused on a service life of over five years, this battery is a solid investment for Toro owners who also have compatible models from brands like John Deere, Cub Cadet, and Craftsman.
Mighty Max Battery ML3-12
This compact and powerful 12V 3.4Ah battery from Mighty Max is a direct replacement for specific Toro models, including part number 106-8397. Its small footprint makes it ideal for walk-behind mowers and other lawn equipment that requires a reliable, yet space-efficient power source.
As a sealed lead acid (SLA) battery, it is UL Certified for safety and is completely maintenance-free. The battery is engineered for a high discharge rate and a long service life, performing reliably across a wide range of operating temperatures to handle the demands of seasonal yard work.
5.0Ah Lithium-ion Replacement for Toro 60V Battery
Upgrade your cordless Toro Flex Force system with this high-capacity 60V 5.0Ah lithium-ion battery. It provides substantial runtime for 60V lawn mowers, snow blowers, trimmers, and other tools, reducing the frequency of recharges during big jobs.
Safety and reliability are key features, as this battery is equipped with an integrated smart chip and multiple protection systems. These safeguards prevent issues like over-charging, over-discharging, and over-heating. It has also obtained FCC, CE, and RoHs certifications, ensuring it meets rigorous international standards.
Marxon U1 330CCA Riding Lawn Mower Batteries
The Marxon U1 battery delivers 330 CCA, providing the necessary power to start larger riding mowers and garden tractors reliably. This AGM battery is maintenance-free and comes with the necessary screws for a straightforward installation process.
Its construction uses shockproof material that offers better heat resistance, making it more durable and less prone to deformation in high-temperature environments commonly encountered during summer mowing. This battery is compatible with a wide array of Toro models, including the Timecutter Z5000, as well as many other major brands.
xiixtoo Replacement 4.0Ah 60V Lithium Battery for Toro
This 60V lithium-ion battery from xiixtoo offers a 4.0Ah capacity, serving as a dependable power source for various Toro 60V Max tools. It is a direct replacement for a long list of Toro battery models, ensuring broad compatibility across their cordless product line.
A standout feature is the built-in LED display, which allows you to monitor the battery’s charge status at a glance. This helps you plan your work sessions effectively and avoid being caught with a depleted battery mid-task.
MARXON U1 280CCA Riding Lawn Mower Batteries
If your riding mower requires a slightly lower cranking amp rating, the Marxon U1 280CCA is an excellent choice. It provides ample starting power for many mid-size tractors while maintaining the benefits of a sealed, maintenance-free AGM design.
This battery is built for longevity, with the manufacturer highlighting a potential service life of over five years. The use of high-purity lead and a corrosion-resistant structure contributes to this extended lifespan and consistent performance season after season.
Autocessking Lawn Garden AGM Battery Group 1
The Autocessking AGM Battery is a Group U1 battery designed as a general-purpose starting battery for lawn and garden equipment. With 320 CCA, it offers a strong burst of power to get your Toro mower’s engine turning over quickly.
Its sealed construction means no maintenance is required, and it can be mounted in various orientations without risk of leakage. This makes it a versatile and user-friendly option for homeowners seeking a straightforward replacement battery.
Mighty Max Battery 12V 35Ah SLA Replacement
For Toro models that require a higher amp-hour rating, such as those using part number 113-5333, this Mighty Max 12V 35Ah battery is a suitable choice. The higher capacity provides more reserve power, which can be beneficial for mowers with additional electrical demands or for ensuring consistent performance.
As a sealed lead acid battery, it maintains the same maintenance-free, spill-proof advantages as other AGM types. Mighty Max is a recognized brand in the replacement battery market, known for producing reliable power solutions for various applications.
ExpertPower 12V 35Ah Rechargeable Battery
The ExpertPower 12V 35Ah battery is another excellent option for Toro riding mowers, including the popular TimeCutter series. This sealed lead acid battery is engineered for deep cycle use, which means it can handle repeated discharging and recharging, a common requirement for outdoor power equipment.
It offers a balance of strong starting power and substantial energy capacity. ExpertPower batteries are generally well-regarded for their build quality and consistent performance, making this a trustworthy choice for keeping your mower operational.
Buying Guide: How to Choose the Best Replacement Batteries for Toro Lawn Mower Models
When my old Toro mower battery finally gave out, I realized I had no idea what to look for in a replacement. It’s not as simple as just picking the one with the highest number on the box. After a lot of research and some trial and error, I figured out the key things that matter. Let me walk you through what I learned so you can make a smart choice for your own machine.
First and foremost, you need to get the voltage right. This is non-negotiable. Most modern Toro electric and zero-turn mowers use a 12V battery, but some older or smaller models might use a different voltage. Using the wrong voltage can seriously damage your mower’s electrical system. The safest bet is to check your old battery’s label or your owner’s manual. If you’re unsure, a quick call to a Toro dealer with your model number can clear it up.
Next, consider the battery type. You’ll mainly see two kinds: lead-acid (including AGM, or Absorbent Glass Mat) and lithium-ion. Lead-acid batteries are the traditional, often more affordable option. AGM is a type of lead-acid that’s sealed, maintenance-free, and doesn’t spill, which I find much more convenient. Lithium-ion batteries are the newer tech. They’re a lot lighter, charge faster, and generally last longer, but they come with a higher upfront price tag. For me, the weight savings alone was worth considering lithium for my self-propelled model.
Then there’s the amp-hour (Ah) rating. This number tells you the battery’s capacity – basically, how long it can run on a single charge. A higher Ah rating means longer runtime. Don’t just grab the biggest one you can find, though. Make sure it physically fits in your mower’s battery compartment. As long as the voltage matches and it fits, opting for a slightly higher Ah rating than your original is a great way to get a bit more mowing time between charges.
Finally, think about brand reputation and warranty. A battery is an investment, so I always look for a brand with good user reviews and a solid warranty period. A two or three-year warranty is a good sign that the manufacturer stands behind their product. Also, check the terminal type and orientation to ensure it will connect properly to your mower’s cables without any fuss. Taking these few steps will help you find one of the best replacement batteries for your Toro lawn mower models and get your yard work back on track smoothly.
FAQ
Can I use a car battery in my Toro lawn mower?
I strongly advise against it. While they are both 12V, car batteries are designed for a short, high-power burst to start an engine (cranking amps), while lawn mower batteries are designed for a long, steady release of power (amp-hours). Using a car battery can be dangerous as it’s not sealed and can leak acid, and it likely won’t fit the compartment correctly. It’s best to stick with a battery designed for outdoor power equipment.
How long should a replacement battery for my Toro mower last?
From my experience and what manufacturers say, you can typically expect a good quality battery to last between 3 to 5 years. Its lifespan depends heavily on how you care for it. Things that shorten battery life include frequently draining it completely, leaving it in a discharged state over the winter, and exposing it to extreme temperatures. Proper storage and charging habits make a big difference.
What is the difference between a U1 and a Group U1 battery?
This is a common point of confusion. In practice, they are the same thing. “U1” refers to the battery group size, which defines its physical dimensions, terminal type, and placement. Sometimes you’ll see it listed as “Group U1,” but it’s specifying the same standard size that fits many lawn tractors and mowers. When you’re looking for the best replacement batteries for Toro lawn mower models, just make sure the group size (like U1) matches what your mower is designed to hold.
Is a lithium-ion battery better than a lead-acid battery for a mower?
It depends on your priorities. Lithium-ion batteries are significantly lighter, charge much faster, and generally have a longer service life. They also don’t lose charge as quickly when sitting unused. However, they cost more upfront. Lead-acid (especially AGM) batteries are more budget-friendly and perfectly reliable for most homeowners. If the weight of your mower is a concern or you value faster charging, lithium is a fantastic upgrade.
How should I store my mower battery during the off-season?
Don’t just let it sit in a cold garage all winter! For long-term storage, I always fully charge my battery first. For lead-acid batteries, it’s best to store it in a cool, dry place and put it on a maintenance charger (or trickle charger) to keep it from discharging completely. For lithium-ion, you should store it at about a 50% charge in a cool, dry location. Avoid storing any battery on a concrete floor, as this can accelerate discharge.