Best Lawn Tractor Battery [2020 Review]

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A lawn tractor is a powerful and efficient tool for mowing big lawns. However, lawn tractors require batteries to perform optimally. A quality battery can help your lawn tractor deliver great performance and minimize the frequency of replacing and charging the battery.

Buying a replacement battery for your lawn tractor can seem confusing and complicated since all batteries look similar. Fortunately, we have reviewed the best lawn tractor battery. We have also highlighted the most important features distinguishing each model to help you find the battery that suits your needs.  

Our Top Lawn Tractor Battery Reviews

Brand
Best Overall
Universal Power Group UB12350
Best for the Money
Mighty Max
Best Cheap Pick
Expert Power EXP12180
Product
Universal Power Group 12V 35AH Battery for John...
Mighty Max Battery 12V 35AH SLA Battery for John...
ExpertPower EXP12180 12V 18Ah Lead Acid Battery
Battery Type
12 Volt 35 Amp
12 Volt 35 Amp
12 Volt 18 Amp
Product Dimensions
7.8 x 5.2 x 6.1 inches
7.68 x 5.16 x 7.13 inches
7.1 x 3 x 6.6 inches
Rating
-
-
-
Best Overall
Brand
Universal Power Group UB12350
Product
Universal Power Group 12V 35AH Battery for John...
Battery Type
12 Volt 35 Amp
Product Dimensions
7.8 x 5.2 x 6.1 inches
Rating
-
Best for the Money
Brand
Mighty Max
Product
Mighty Max Battery 12V 35AH SLA Battery for John...
Battery Type
12 Volt 35 Amp
Product Dimensions
7.68 x 5.16 x 7.13 inches
Rating
-
Best Cheap Pick
Brand
Expert Power EXP12180
Product
ExpertPower EXP12180 12V 18Ah Lead Acid Battery
Battery Type
12 Volt 18 Amp
Product Dimensions
7.1 x 3 x 6.6 inches
Rating
-

Best Lawn Tractor Battery: Universal Power Group UB12350

Universal Power Group 12V 35AH Battery for John...

The Universal Power Group UB12350 battery packs a lot of remarkable features. It is designed to provide a barrier from vibrations and shock. This is important since lawn tractors tend to get jolted around when they are being used. It weighs 23 pounds and you can mount it in any position you desire.

The battery boasts of the SLA (Sealed Lead Acid) and AGM (Absorbed Glass Mat) technology which makes its performance efficient, highly durable, and spill-proof. The UB12350 model features a standard 12 voltage battery.

However, the Universal Power Group battery delivers an impressive 35 ampere hours of power making it an excellent option. This lawn tractor battery is also user-friendly as it is built with specific safety features.

The Absorbent Glass Mat (AGM) technology ensures the battery delivers a satisfactory level of stability. It also protects the battery from accidental acid spillage. When it comes to booting, the UB12350 model is a maintenance-free battery.

This means it minimizes the efforts required to keep the lawn tractor functioning optimally. One advantage of this product is that the positive terminal is placed on the left side making it an ideal option for left-handed people.

However, you should check the terminals properly as they may not align with the original battery terminal position. In such scenarios, you should use the wires to get the right terminal placement.

Another interesting feature is its perfect fitting and easy setup. Therefore, you won’t have to worry about spending endless hours while figuring out how to install the battery on your lawn tractor.

Overall, this battery from the Universal Power Group is the best lawn tractor battery for people looking for a replacement for their worn-out batteries. The brand backs this product with a 1-year warranty.

What We Like

  • Vibration and shock-resistant making it durable
  • Versatile as it can be used with vehicles
  • Ability to resist accidental acid spillage
  • Can be mounted in any position
  • Maintenance-free battery
  • Easy installation

What We Don’t Like

  • Expensive
Universal Power Group 12V 35AH Battery for John...
  • Upg # D5722 Ub12350 12V 35ah
  • Dimensions: 7.75 inches x 5.19 inches x 7.13 inches. Weight: 22.50 lbs
  • Sla/agm maintenance free, spill proof battery
  • Rechargeable battery that can be mounted in any position, resists shocks and vibration

Best Lawn Tractor Battery for the Money: Mighty Max

Mighty Max Battery 12V 35AH SLA Battery for John...

Despite its simple design, the Might Max lawn tractor battery has carved a niche for itself as one of the top choices within its price range. It is compatible with a range of battery-powered equipment as well as various types of mowers and tractors.

Like the Universal Power Group battery, this model is spill-proof as it comes with the SLA/AGM technology. Additionally, it boasts of long service life, high discharge rate, deep discharge recover and wide operating temperatures.

This rechargeable maintenance-free battery also resists vibration and shock and delivers high performance both in low and high temperatures. You can also mount it in any position you want while enjoying the easy installation process.

The good thing about this battery is that you can use it outdoors and indoors. It is characterized by a wide range of application that allows it to work efficiently in various settings including those that are beyond home use.

The specs of this lawn tractor battery are simply outstanding. The model is rated at 35 amperes and 12 voltages and can give you up to 20 hours of power as long as it’s fully charged. Apart from its impressive output, the durability of this product is worth mentioning.

The case is equipped with the SLA technology that seals effectively the calcium-alloy grid it is built from and the battery acid to ensure longevity and sturdiness. This portable and lightweight battery also features a loop to enable you to carry it comfortably making it beat its rivals.

Although some users have an issue with receiving dead batteries, others like its easy setup. However, the company has a replacement and 30-day returns policy for handling such issues. This battery is a great choice if you are shopping for deep discharge cover options.

What We Like

  • Made of durable calcium-alloy grid
  • Ideal for outdoor and indoor use
  • Reliable power output
  • SLA/AGM technology
  • Deep discharge cover
  • Versatile battery
  • Inexpensive

What We Don’t Like

  • Sufficient cranking information not provided
  • Doesn’t include hardware for mounting
Mighty Max Battery 12V 35AH SLA Battery for John...
  • ML35-12 SLA is a 12V 35AH Sealed Lead Acid (SLA) rechargeable maintenance free battery.
  • Dimensions: 7.68 inches x 5.16 inches x 7.13 inches. Listing is for the Battery and Screws only. No...
  • SLA / AGM spill proof battery has a characteristic of high discharge rate, wide operating...
  • Rechargeable battery that can be mounted in any position, resists shocks and vibration. Long lasting...

Best Budget Lawn Tractor Battery: Expert Power EXP12180

ExpertPower EXP12180 12V 18Ah Lead Acid Battery

The ExpertPower EXP12180 lawn tractor battery is another reliable and affordable model that is designed for a wide range of lawn mowers. It comes in basic styling making installing and using it a breeze. The battery also utilizes the AGM technology that enables it to deliver optimum performance even in low temperatures.

This model features rugged construction. The battery case is built with non-conductive ABS plastic materials which are resistant to heat, chemicals, vibration, and shock. Like the previous models, it can also be mounted in any position.

Its small and compact design makes it ideal for use in limited spaces which helps to improve handling while conserving space. The 12 voltage rechargeable battery can deliver up to 18 amperes and give you 20 hours of working with your lawn mower.

The EXP12180 battery is portable as it only weighs 12 pounds making it easy to carry to different locations. When it comes to maintenance, this high impact resistant battery is hands down since you only need to charge it.

Chances of this product causing spills or leakages are minimal since it is a sealed lead-acid battery. Another plus is that fitting the battery is quick and simple making it user-friendly. You only need basic tools to complete the installation process.

The battery will remain firm after you have fitted it properly. It can operate in a range of temperatures compared to other competing lawn tractor batteries that are vulnerable to extremes of temperature or impact.

The tough casing makes the ExpertPower battery a heavy-duty model. It can last for a long period as it can easily endure falls and other forms of abuse. If you are looking for an affordable and genuine battery for your lawn tractor, get this product. It is the most positively reviewed and trusted battery on Amazon.

What We Like

  • Build from robust non-conductive ABS plastic materials
  • Requires minimal maintenance
  • Leak-proof AGM technology
  • Heavy-duty model
  • Genuine battery
  • Easy installation

What We Don’t Like

  • Sometimes dead batteries can be shipped
  • Requires frequent charging
Sale
ExpertPower EXP12180 12V 18Ah Lead Acid Battery
  • Battery Type - 12 Volt 18 Amp 20 Hour Sealed Lead Acid Battery With nuts and bolts
  • Rugged Construction - The High Impact Resistant Battery Case Is Made Up Of A Non-Conductive ABS...
  • Genuine ExpertPower Battery - The Most Trusted And Highest Reviewed Sealed Lead Acid Batteries On...
  • AGM Tech - Utilizes Absorbed Glass Mat (AGM) Technology And Has A Wide Temperature Range

Best Lightweight Lawn Tractor Battery: Expert Power EXP12200

ExpertPower 12 Volt 20 Ah EXP12200 Rechargeable...

If you desire high-performance battery for your lawn mower, consider getting the Expert Power EXP12200. It is an excellent choice that delivers great service while ensuring you enjoy consistent performance. The product weighs 12.5 pounds making it a bit heavier than its EXP12180 counterpart by 0.5 pounds.

It is also similar to EXP12180 however it has advanced features and slight differences that make it more durable. The 12 voltage rechargeable battery is well-built and delivers long life even when used in a rough setting heavily.

The battery is designed to withstand the rough conditions associated with the heavy workload of lawn tractors. When this battery is fully charged, it can deliver up to 20 hours of continuous operation while providing efficient power for your lawn tractor.

Like its precedent, the EXP12200 model is also a sealed lead battery. It employs the AGM technology that seals the battery acid tightly to ensure it does not leak. The technology also aids in easy mounting and enhances the performance of the battery.

This valve regulated battery produces up to 20 amperes every hour and is maintenance-free, which means it only requires recharging. Its boasts of a space-saving design as it is small and is perfect for tractors, lawn mowers, and other equipment.

The maintenance-free battery will enable you to work in a wide range of temperatures including freezing weather. Additionally, fitting the Expert Power battery is hassle-free because it is user-friendly. The battery comes with a sturdy shell to prevent it from vibrations, abrasions, falls and extreme weather.

The model’s threaded B1 terminals does not corrode easily and provide good connectivity. Users like the right-handed positive terminal battery as it is easy to install. It also recharges fast and keeps charge for an extended period.

What We Like

  • Can work in a wide range of temperature
  • Easy maintenance and installation
  • Threaded terminals for easy connection
  • Space-saving design
  • Sturdy construction
  • User-friendly

What We Don’t Like

  • Minor defect issues
ExpertPower 12 Volt 20 Ah EXP12200 Rechargeable...
  • Genuine ExpertPower Battery - The Most Trusted And Highest Reviewed Sealed Lead Acid Batteries On...
  • Battery Type - 12 Volt 20 Amp / 20 Hour Sealed Lead Acid Battery
  • Ease Of Mind -All Of Our Batteries Are MAINTENANCE FREE and VALVE REGULATED
  • AGM Tech - Utilizes Absorbed Glass Mat (AGM) Technology And Has A Wide Temperature Range

Best Versatile Lawn Tractor Battery: Chrome Battery

Deep Cycle SLA Replacement Battery 12V 35AH AGM...

The Chrome battery is an easy to use and versatile lawn mower battery. It has an appropriately sized design to allow compatibility with a range of electric appliances including household alarm systems, motorized scooters and lawn tractors. The battery is also capable of powering many types of lawn tractors reliably and efficiently.

One incredible thing worth noting about this versatile battery is the pre-charged feature. This means you don’t have to charge it before putting it to use since it comes when it is fully charged. Just connect it to the application and you will be ready to go.

As it is with other models in this list, this lawn tractor battery can also be charged multiple times because it’s a rechargeable battery. It is also a sealed lead-acid (SLA) battery and is equipped with T3 terminal. The materials used to construct this battery are extremely durable to ensure a high level of functionality and long lifespan.

Additionally, the 12 voltage battery will allow you to continue working on your projects for 20 hours as long as it is fully charged. Therefore, you do not have to worry about the battery draining while in the middle of your tasks.

The battery also boasts of 35 amperages which makes it stronger than other models available in the market. It is also mountable in any position. It is built with heavy-duty ABS plastic that enables the casing to resist vibrations and absorb shocks.

Another valuable quality worth mentioning is its ability to retain impressive performance even after many years of extensive use. The battery also features the Absorbent Glass Mat (AGM) technology that allows for low maintenance while preventing spillage.

It’s important to note that the left side of this product has a standard T3 positive terminal. When it comes to maintenance requirements, just avoid overcharging it to extend its shelf life.

One major issue with this battery is that its heavy as it weighs 22 pounds. Also, when not in use, it doesn’t keep charge. However, it comes with 18-month warranty which is longer. So, you can overlook this aspect because you can always reach out to the company when such issues arise.

What We Like

  • Utilizes both the AGM and SLA technologies
  • Durable ABS plastic case
  • Ability to resist vibrations and absorb shocks
  • Easy maintenance
  • Arrives when fully charged
  • 18-month warranty

What We Don’t Like

  • Doesn’t keep charge
  • Heavy
Sale
Deep Cycle SLA Replacement Battery 12V 35AH AGM...
  • Battery type: 12 volt 35 amp hour sealed lead acid battery with T3 terminal is a rechargeable, SLA...
  • Versatile fit: this 12V 35AH battery fits in a variety of applications, ranging from alarm systems...
  • Length: 7. 68 inch height: 6. 46 inch width: 5. 12 inch weight: 21. 71 lbs.
  • Top technology: the acid inside is constructed with Absorbed glass mat technology allowing for a...

Lawn Tractor Battery Features and Considerations

Selecting the best lawn tractor battery for your mower can be a tough decision as there are many batteries to choose from. However, the trick lies in knowing the features to look for in a quality battery. Here are some factors you may need to consider before buying a new battery:

Type of Battery

This is the most important factor you should pay attention to while shopping for your battery. This is because there are various types of batteries you can use on your lawn mower. Here are the three types of batteries available:

  • Lead-acid batteries
  • Lithium-Ion batteries
  • Nickel-Cadmium batteries

These batteries have areas of weakness as well as strong points. Keep in mind power output and longevity.

Lead Acid Batteries

Some lawn tractor batteries use lead-acid to work properly. However, these types of batteries need to follow a certain charging cycle to continue functioning efficiently in the long run. The lead-acid present in these batteries can crystallize if you fail to charge them for some time.

The charging capability tends to diminish when this happens. For this reason, we recommend having a maintenance charger to ensure the batteries are always charged even during the winter season.

Lithium-Ion Batteries

These batteries usually have a higher power output and density. They also have little maintenance needs making them the preferred choice for a majority of users. However, the charge capacity of such lawn tractor batteries tends to deteriorate after a short period of use.

Lawn tractor in a yard full of fallen leaves

Nickel- Cadmium Batteries

These types of batteries are capable of handling strenuous conditions without disappointing you. The only major issue with these batteries is that you need to discharge them fully before recharging them.

If you fail to discharge them fully, they will end up losing their powered density. However, that will not reduce the time they can keep power. The good thing about them is that they are the cheapest models of the three options.

Type of Lawn

This is another crucial factor that should be given consideration. The size and type of your lawn will determine the choice of your lawn battery. Ideally, most lawn batteries can service a lawn that equals the size of a tennis court. Smaller lawns just don’t require nearly as large of a battery.

Lawns that are bigger than a tennis court may not work because batteries can last between 20 to 30 minutes between charges. It can only work if you have a spare battery that you can change mid-way while mowing your lawn.

It’s also perfect in places where it will not encounter taller grass or have to deal with a lot of undulations. In these cases the average life span and efficiency of the battery can be reduced. The type of lawn you have will determine whether or not the mower will require a spare battery. It will also determine the power output of the battery that you should buy.

Cold Cranking Amperes (CCA)

The output of the battery you intend to buy is another essential factor you shouldn’t overlook when choosing the battery. This is because engines differ. For instance, if the engine is big, you will find it difficult to turn. That said, lawn tractor battery output is measured in CCA.

A CCA rating refers to the current (output) your battery can deliver at zero degrees Fahrenheit in 30 seconds. It’s unlikely that you will be operating your mower in zero degree temperatures unless if you have a snow blower.

However, with the CCA rating, you will be able to know how sturdy your battery is and what to expect. Choosing a battery with higher CCA ratings will do the trick since a lower CCA current may fail to start the engine.

If the current succeed at starting your battery, the power consumed by the lawn tractor may overtax the battery’s construction and cause it to wear out quickly. To ensure your lawn tractor runs effectively, select a battery with the right power rating for your lawn mower.

Terminal Position

The position of the terminal plays a significant role when it comes to installing the battery to your lawn tractor electrical system. Most lawn tractor batteries are categorized under Group U1and come in two varieties, U1R, and U1L, which refer to the terminal position.

Lawn tractor parked in the backyard

Group U1R lawn tractor batteries have a positive terminal that is located near the right corner. On the other hand, the positive terminal of group U1L batteries is located near the left corner, on top of the battery.

While the internal construction of U1R and U1L is similar, the terminal position is crucial to the connection of the battery to the lawn mower. However, it’s important to note that installing U1R batteries in lawn mowers that require U1L batteries may not work.

Stretching the cables can lead to chafed insulation and cause problems associated with short-circuit. Besides, the cables may not be able to reach the terminals. A good option would be to opt for a battery that fits your lawn tractor.

Battery Size

Lawn tractor batteries are rated according to their physical size. Most batteries are Group U1. This means they are 7.25 inches high, 5.1 inches wide and 8.3 inches long. The dimensions are very crucial because the battery has to fit into the engine compartment and in the tray properly. This will enable the battery to connect to the cables.

To determine the size of your battery, check for this information in the included manual or online. If it’s not there, check the battery case or take a photo of the battery then send it to the customer care service of the manufacturer. They will give you all the necessary information concerning battery replacement.

Build Quality

The features and technical specifications of your battery should not be the only aspects to consider. This is because the construction of the battery will have an impact on its ability to withstand prolonged and extensive use. Batteries with metal plates submerged in sulfuric acid should be avoided as they tend to lose charge with time when not in use. They are also prone to corrosion.

Instead, we recommend batteries that contain calcium in their plates as a convenient solution. These batteries are highly durable and less prone to corrosion, impact damages, and vibrations. Additionally, they will not spill acid if they accidentally fall as they are equipped with Absorbed Glass Mat (AGM) technology. However, bear in mind that they are costly because they are robust and of high quality.

Voltage

The voltage rating is the first thing you should start with because it’s the most important. Generally, most lawn tractors require 12 voltages batteries to run efficiently. However, there are other higher voltage batteries available like 36 voltages and 40 voltages.

It’s important to check whether the voltage of the battery you want to buy is compatible with your lawn tractor’s voltage requirements. So, before making the purchase, check the manufacturer’s description to confirm you are getting the right voltage for your lawn tractor.

Temperature Resistant

Lawn mowers are designed for outdoor activities such as cutting and trimming plants. This makes the battery to be exposed to extreme weather conditions like low and high temperatures. The battery you choose should be resistant to temperature to prevent it from getting affected by cold or heat.

It should also give you optimum performance in extreme temperature conditions. Additionally, it should not heat up when subjected to continuous use for a long period.

Battery Compartment

Before investing in a battery, you should check whether it will fit properly in the battery compartment. For example, a bigger space can accommodate a larger battery. On the other hand, fitting a bigger battery in a compartment that is small will reduce the space. However, this can affect the flow of air around it.

It can also result in high temperatures and allow acid spills to reach other components of the lawn tractor. This could cause rust or corrosion. In case you want to fit batteries with higher capacities, consult an expert or follow the manufacturer’s recommendation.

Lawn tractor being mounted

Maintenance

Most people buy batteries without checking whether it is easy to maintain them.  For some, as long the battery fits their budget and is the right size, it is perfect. However, you can easily damage your battery if you fail to follow the right procedure of maintenance. For instance, you can end up with a dead battery if it’s maintained by adding distilled water and you forget to do that.

If you tend to forget or are not a hands-on person, it’s advisable to go for sealed maintenance-free batteries. These types of batteries require no maintenance except charging and dusting them regularly.

Mounting Position

A good lawn tractor battery should be one that you can mount in any position. However, for this to happen, the battery should be sealed completely to ensure there is no chance of acid spilling. The place to mount the battery differs for different lawn mowers. Check where this place is indicated on your mower.

Safety

Whenever you are handling batteries, you need to be careful with acid spillage. It can be harmful to you, the battery, and your lawn tractor. Opt for batteries that feature the AGM technology since it prevents the acid from leaking.

Wrap Up

Having a good lawn tractor battery will help you maintain your lawn without experiencing any technical difficulties while mowing. The batteries on our list are quality SLA/AGM batteries and are spill and leak proof. They are also maintenance-free and mountable in any position.

With this information, we hope you will be able to pick the best lawn tractor battery and make mowing your yard an enjoyable experience.

Raised with a fix-it and improvement mindset, my wife and I completely restored our Craftsman-style home. Learning how to DIY a variety of home improvement projects, I started SawsHub with my father. He's the fine woodworker, I'm the DIYer!