Your John Deere riding mower is an investment in a pristine lawn, and its performance hinges on a reliable battery. A weak or failing battery can leave you stranded mid-mow, turning a simple chore into a frustrating ordeal. Choosing the right replacement is crucial for ensuring your mower starts effortlessly every time and endures season after season of demanding work.
This roundup simplifies your search by highlighting ten excellent battery options compatible with John Deere equipment. We’ve focused on key factors like Cold Cranking Amps (CCA) for strong starts, Amp-hour (Ah) ratings for sustained power, and maintenance-free AGM designs for hassle-free operation. Whether you need maximum cranking power or a robust deep-cycle battery, you’ll find a suitable match here to get your mower back in action.
The Best John Deere Mower Batteries
- UPLUS U1 Riding Lawn Mower Battery, 12V 330CCA
- WEIZE Lawn Garden AGM Battery, 12V 300CCA
- UPLUS 280CCA U1 Riding Lawn Mower Battery
- Casil 12V 33Ah SLA AGM Battery
- Mighty Max Battery ML-U1-CCAHR 12V 320CCA
- Autocessking Lawn Garden AGM Battery Group 1
- ML35-12 – 12 Volt 35 AH SLA Battery
- ExpertPower 12v 33ah Rechargeable Deep Cycle
- UPG UB12350 (Group U1) Battery – 2 Pack
- Chrome Battery U1-35 12V 35AH Lawn Tractor
UPLUS U1 Riding Lawn Mower Battery, 12V 330CCA

For those seeking a powerful and long-lasting starting battery, the UPLUS U1 is a top contender. It delivers a robust 330 Cold Cranking Amps (CCA), ensuring your John Deere mower turns over quickly and reliably, even on cooler mornings. Built with a sealed AGM design, this battery is completely maintenance-free, eliminating concerns about leaks, spills, or checking water levels.
UPLUS emphasizes quality by using 99.99% pure primary lead in its construction, which promotes better charging efficiency and long-term reliability. This battery is designed for a service life exceeding five years and is widely compatible with a host of major lawn tractor brands, making it a versatile and trustworthy replacement option.
WEIZE Lawn Garden AGM Battery, 12V 300CCA

The WEIZE Group U1 battery is a reliable and popular choice for powering lawn tractors and riding mowers. It provides a solid 300 CCA, offering ample power for consistent starts. Its sealed lead acid (SLA) and AGM technology ensure safe operation without the need for any maintenance throughout its service life.
This battery features a compact design with square hole nut and bolt terminals, which are common and easy to connect. With the positive terminal on the left side, it is a direct fit for many John Deere, Toro, and Cub Cadet models. WEIZE focuses on delivering high-quality power to keep your outdoor equipment running smoothly season after season.
UPLUS 280CCA U1 Riding Lawn Mower Battery

If your John Deere model doesn’t require the highest CCA rating, this UPLUS option provides a dependable and cost-effective solution. With 280 CCA, it delivers reliable starting power for standard riding mowers. Like its higher-CCA sibling, it is built as a maintenance-free AGM battery, so you can install it and forget about it.
This battery shares the same quality construction, including the use of pure primary lead for enhanced efficiency and a long service life. It’s an excellent choice for older models or for users in milder climates where extreme cold-weather starting is less of a concern, while still offering broad compatibility with major equipment brands.
Casil 12V 33Ah SLA AGM Battery

The Casil 12V 33Ah battery is engineered to handle the frequent start-stop cycles typical of riding mowers and garden tractors. Its 33Ah capacity indicates a strong reserve of power, providing dependable cranking and consistent electrical performance. The sealed AGM design makes it a safe and maintenance-free component for your outdoor power equipment.
This battery is confirmed to be compatible with a wide range of top brands, including John Deere, Craftsman, and Cub Cadet. Its robust construction is suited for all-season use, ensuring your mower is ready to go when you are, without the worry of acid leaks or spills in your mower’s battery compartment.
Mighty Max Battery ML-U1-CCAHR 12V 320CCA

Mighty Max offers this high-performance U1 battery with an impressive 320 CCA, making it a strong candidate for larger John Deere riding mowers and lawn tractors. The high discharge rate is ideal for delivering the sudden burst of power needed to start an engine reliably. Its spill-proof SLA/AGM construction ensures safety and durability.
This battery is designed with a wide operating temperature range and characteristics that support a long service life and deep discharge recovery. It comes with the correct polarity for John Deere equipment (positive on the left) and is a direct replacement for models requiring this specific power and size configuration.
Autocessking Lawn Garden AGM Battery Group 1

The Autocessking Group U1 battery is a straightforward and reliable rechargeable option for standard riding mowers. As a sealed lead acid (SLA) starting battery, it provides the essential power needed to get your tractor running. Its maintenance-free AGM design means no upkeep is required after installation.
This battery is confirmed to be compatible with popular mower brands like John Deere, Toro, and Cub Cadet. It serves as a dependable and affordable Group U1 replacement, making it a practical choice for homeowners looking for a simple battery swap to restore their mower’s starting capability.
ML35-12 – 12 Volt 35 AH SLA Battery

For those who need a battery with high capacity, the Mighty Max ML35-12 is an excellent choice. With a 35Ah rating, this sealed lead acid battery offers substantial reserve power. While it can be used for starting, its high Amp-hour capacity also makes it suitable for applications requiring sustained power output, acting as a capable deep-cycle battery.
This maintenance-free battery is incredibly versatile, often used to replace 33Ah, 34Ah, and 36Ah batteries in various equipment. Its rugged construction ensures reliable performance not just in mowers, but also in trolling motors, power chairs, and solar generators, offering great value and flexibility.
ExpertPower 12v 33ah Rechargeable Deep Cycle Battery

ExpertPower is a highly trusted brand in the sealed battery market, and this 12V 33Ah model lives up to that reputation. Crafted with a rugged construction, it is built for ultra-durable performance. The absorbed glass mat (AGM) technology provides a wide temperature range, making it reliable in various weather conditions.
As a genuine deep-cycle battery, it is designed to be discharged and recharged repeatedly, which is ideal for applications beyond simple engine starting. This makes it a robust power source for your John Deere mower, ensuring consistent performance and a long operational lifespan.
UPG UB12350 (Group U1) Battery – 2 Pack

This offering from UPG provides exceptional value for those who need to power multiple pieces of equipment or want a ready-to-go spare. The pack includes two 12V 35Ah UB12350 batteries, which are universal Group U1 replacements. Each battery offers a high capacity suitable for many riding mowers and lawn tractors.
Having a second battery on hand is a great convenience, ensuring you have an immediate backup if one fails. This is an ideal solution for homeowners with more than one compatible piece of outdoor power equipment or for professional landscapers who need to minimize downtime.
Chrome Battery U1-35 12V 35AH Lawn Tractor Battery
Chrome Battery offers a U1-35 model that delivers both reliable starting power and high capacity with its 35Ah rating. This combination ensures your John Deere mower has the initial cranking amps to start and the reserve power for consistent electrical system performance. It is built as a direct fit for many lawn and garden tractors.
As a dedicated lawn tractor battery, it is engineered to withstand the vibrations and demands of mowing. Chrome Battery focuses on providing durable and long-lasting power solutions for outdoor equipment, making this a solid choice for a dependable replacement battery.
Buying Guide: How to Pick the Right Battery for Your John Deere Riding Mower
When it’s time to replace the battery in your John Deere riding mower, it can feel a bit overwhelming. The last thing you want is to get stuck with a battery that leaves you stranded in the middle of your lawn. I’ve been through this a few times myself, and I’ve learned that focusing on a few key specs makes the whole process much simpler.
First, you need to know your group size. This is essentially the battery’s physical dimensions and terminal layout. For most John Deere riding mowers, you’re looking at a Group U1. It’s the standard size that fits perfectly into the battery tray. Before you buy, it’s always a good idea to check your mower’s manual or measure your old battery to confirm. Getting the wrong size is an easy mistake to avoid.
Next, pay close attention to the Cold Cranking Amps (CCA). This rating tells you how much power the battery can deliver to start your engine in cold weather. For a riding mower, you don’t need an extremely high CCA like you would for a car in a cold climate. A rating between 200 and 300 CCA is typically more than enough to get your mower’s engine turning over reliably, even on a chilly spring morning.
Another critical number is the Amp Hour (Ah) rating. This indicates the battery’s capacity—how long it can power your mower’s accessories and electronics if the engine isn’t running. A higher Ah rating means it can hold a charge longer. For a standard riding mower, something in the range of 20Ah to 35Ah is common and should work well. If you have extra accessories like headlights or a cup holder fan, leaning toward the higher end of that range is a smart move.
Finally, decide between a standard flooded lead-acid battery and an Absorbent Glass Mat (AGM) battery. Flooded batteries are the traditional, more budget-friendly option, but they require occasional maintenance, like checking and topping off the water levels. AGM batteries are sealed, maintenance-free, and generally more resistant to vibration. They also tend to have a longer lifespan and won’t leak, which is a nice peace of mind. While they cost a bit more upfront, many people find the convenience is worth the investment for their John Deere riding mower.
By matching the group size, ensuring you have sufficient CCA and Ah, and choosing the right type for your needs and budget, you can confidently select one of the best batteries for John Deere riding mowers and get back to a perfectly cut lawn without any hiccups.
Frequently Asked Questions
What is the typical lifespan of a riding mower battery?
On average, you can expect a riding mower battery to last between three and five years. This depends heavily on a few factors. How often you use your mower, the climate you live in, and how well you maintain the battery all play a role. Extreme heat can shorten a battery’s life, as can letting it sit for long periods in a discharged state. An AGM battery might often reach the longer end of that range due to its robust construction.
Can I use a car battery in my John Deere mower?
I really would not recommend it. While a car battery might physically fit and have enough power, they are designed for very different jobs. A car battery is made to deliver a huge burst of power for a few seconds to start an engine and then be immediately recharged by the alternator. A mower battery needs to provide a steady, lower amount of power and is designed for a slower, deeper discharge cycle. Using a car battery can lead to poor performance and could even damage your mower’s electrical system.
How do I properly maintain my mower’s battery?
Good maintenance is key to getting the most out of your battery. For standard flooded batteries, check the electrolyte levels regularly and top them off with distilled water as needed. Keep the terminals clean and free of corrosion; a mix of baking soda and water works well for cleaning. For all battery types, if you’re storing your mower for the winter, it’s best to fully charge the battery and then either disconnect it or use a trickle charger/maintainer to keep it from draining completely and getting damaged.
Why does my new battery keep dying?
If a brand-new battery is consistently losing its charge, there are usually two culprits. First, the charging system on your mower might be faulty. The alternator or voltage regulator may not be working correctly, preventing the battery from getting a full charge while you mow. Second, there could be a parasitic drain—something electrical on the mower, like a switch or a module, is drawing a small amount of power even when the key is off. A quick test with a multimeter can help you figure out which issue you’re dealing with.
Are expensive AGM batteries really worth it for a mower?
This is a common question, and for many users, the answer is yes. The higher initial cost of an AGM battery buys you significant convenience. They are completely sealed and maintenance-free, so you never have to worry about checking water levels. They are also spill-proof and more resistant to the vibrations from mowing, which can help them last longer. When you’re looking at the list of best batteries for John Deere riding mowers, an AGM option is often a reliable, set-it-and-forget-it solution.