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What’s the Best Lawn Mower Battery for Me? 

A well-kept lawn doesn’t just happen by itself. It’s crucial to have a well-made lawn mower to help you ensure your yard looks top-notch. However, to get the most out of your lawn mower you need a long-lasting lawn mower battery.  
 
Lawn mower batteries typically range in price from $30 to over $200. The best one will coincide with the type of battery powered lawnmowers that you prefer or own.  

What is the best battery for your lawn mower? 

The best lawn mower battery for your lawn mower or tractor will depend on a few factors:  

  • The lawn mower you have – Lawn mower batteries are ideal for battery operated lawn mowers and cordless electric lawn mowers. However, you might specifically be interested in a ride-on mower, lawn tractor, or walk mower. Knowing the type of mower you’re looking for can help you decide the type of lawn mower battery you need.  
  • Voltage – The type of lawn mower and how often you need it will also determine the type of battery voltage you need. For example, a lawn tractor might require 12 volts, whereas a more intensive lawn mower may require even more voltage. 
  • How it performs in weather – Batteries have a CCA rating, the number of amps a battery produces in 30 seconds in cold weather. A high rating is ideal.  
  • Lawn mower fit – Electric lawn mowers that are cordless and other types of battery operated lawn mowers typically house two types of batteries: U1L and U1R. They represent positions for + and – parts of the terminal. It’s important to find a battery that can fit either type.  

Understanding these elements can help you select the best battery for your lawn mower.  

Best lawn mower battery 

If you’re looking for a lawn mower battery that can go the distance, check out these options that we handpicked from our inventory: 

Valucraft U1-145 Group U1 Lawn & Garden Battery 

Price: $29.99 

If your top positive terminal location is in the top-left area of your lawnmower, this battery might be precisely the product you’re looking for. This lawn mower battery is ideal for garden tractors, and has a design that seals heat, eliminates shorts, extends battery life, and minimizes corrosion.  

This battery can offer long-term performance. With over 200 reviews at the time of this writing and a 4.4 out of 5 rating, Valucraft’s affordable price and effective operation are worth a look. It has 12 VDC and comes with a one-month warranty if you have any issues. Reviewers were impressed with the product’s quality and corresponding price.  

Duralast U1-1 Group U1 Lawn & Garden Battery 

Price: $44.99 

Live in a cold-weather climate? With the Duralast U1-1 Group U1 Lawn and Garden Battery, you’ll get some bang for your buck. This offering’s 250 cold-cranking amps, a 12VDC, and a computer-controlled design meant to enhance performance make it a product worth your consideration.  

This one also works well on garden tractors and comes with a three-month warranty. And like the previous product on this list, the top positive terminal is located in the top left. Purchasers are impressed with this product. It currently stands at over 350 reviews at the time of this writing, with a 4.7 out of 5 rating. Reviewers were excited about the product’s easy installation and battery box fit.  

Duralast Gold U1R-3 Group U1R Lawn & Garden Battery 

Price: $59.99 

If your negative terminal location is on the top left and you experience winter for a good portion of the year, Duralast also has you covered. This battery is meant to weather the elements and last for the long haul for your riding lawn mower. While it includes most of the features of the other lawn mower batteries on this list: enveloped sensors that eliminate shorts, a venting system to decrease corrosion, and vibration protection, it also comes made with a flat-top cover for easy installation and is equipped with 350 cold-cranking amps. Also, this battery comes with a three-month warranty. With a 4.6 out of five rating, reviewers praised the robust cold-cranking amps and overall quality.  

Duralast U1R-1 Group U1R Lawn & Garden Battery 

Price: $44.99 

Do you like the qualities of the U1-1 Duralast battery but have a top right positive terminal location? No sweat! The Duralast U1R-1 can take care of your lawn mower battery needs and even comes with a three-month warranty. It has a 25-minute reserve capacity, 12VDC, and 250 cold-cranking amps. Much like the other options on this list, it also comes with maintenance-free construction and a venting system to decrease corrosion. It has a rating of 4.6 out of five, and reviewers were impressed with its overall performance and cold-cranking amps.  

Duralast Battery 1-6VOLT Group Size 1 575 CCA 

Price: $99.99 

If you have to do heavy-duty lawn work and need a lawn mower battery that can withstand some harsher working conditions, then the Duralast Battery 1-6VOLT might be the product you need. It comes with a 62H voltage, has a one-year warranty, and can fit into battery boxes with a right-located positive terminal. Its vent caps are meant to reduce leakage and corrosion, while the solidium wields are also designed to prevent corrosion and stave off premature failure. With a 4.7 out of five rating, users were satisfied with easy installation and product quality.  

Duralast Battery 31-950 Group Size 31 950 CCA 

Price: $159.99  

Need even more performance for your lawn mower battery? With a 4.7 out of five rating, this option from Duralast may be the answer. With a 122H voltage and 142MJ reserve capacity, this Duralast battery is powerful. Much like the 1-6Volt battery this product is made for more intense working conditions, and its design is meant to reduce leaking and corrosion. But it’s also worth noting that this is the heaviest battery on this list at 57 pounds. The positive terminal location is also on the left for this one. 

These batteries can help you get the performance you need from your battery powered lawn mower. However, to truly get the most out of your lawn mower, it helps to plan to winterize it if you live in cold weather and know how to perform routine repairs like changing a spark plug. Taking care of your lawn mower will preserve it and your battery for a long time.  

Are you looking to turn your lawn mower into the best battery-powered lawn mower for your needs? Well, you’ll need a well-performing and dependable lawn mower battery. The team at AutoZone has you covered with our varied options. To get the most out of your lawn mower buy your next lawn mower battery at AutoZone. 

FAQ/People Also Ask 

How long do lawn mower batteries usually last?

Lawn mower batteries can last three to five years and sometimes longer, depending on climate and usage.

What size battery do I need for a 20-horsepower lawn mower?

A 20-horsepower lawn mower will typically be a riding lawn mower that can take 12-volt or 6-volt batteries.

What is the difference in lawn mower batteries?

Differences in lawn mower batteries typically come down to their voltage, size, and cold-cranking amps.

How big battery do I need for lawn mower?

Lawnmower batteries typically come in six or 12-volts and may weigh between 15 and 50 pounds. It all depends on the type of lawnmower you have and the voltage needed.

How do you revive a dead lawn mower battery?

You can typically revive a dead lawn mower battery by charging it with a lawnmower battery charger for a few hours. Depending on how long the battery has been out of use, charging it could take longer.

Advice, how-to guides, and car care information featured on AutoZone.com and AutoZone Advice & How-To’s are presented as helpful resources for general maintenance and automotive repairs from a general perspective only and should be used at your own risk. Information is accurate and true to the best of AutoZone’s knowledge, however, there may be omissions, errors or mistakes.

Be sure to consult your owner’s manual, a repair guide, an AutoZoner at a store near you, or a licensed, professional mechanic for vehicle-specific repair information. Refer to the service manual for specific diagnostic, repair and tool information for your particular vehicle. Always chock your wheels prior to lifting a vehicle. Always disconnect the negative battery cable before servicing an electrical application on the vehicle to protect its electrical circuits in the event that a wire is accidentally pierced or grounded. Use caution when working with automotive batteries. Sulfuric acid is caustic and can burn clothing and skin or cause blindness. Always wear gloves and safety glasses and other personal protection equipment, and work in a well-ventilated area. Should electrolyte get on your body or clothing, neutralize it immediately with a solution of baking soda and water. Do not wear ties or loose clothing when working on your vehicle.

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