Best Lawn Mower Batteries of 2025

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For those who take pride in maintaining a well-manicured lawn, having a reliable lawn mower is a must. And to keep that trusty mower running smoothly, a good quality battery is essential. Lawn mower batteries are designed to provide the necessary power to start and run the engine, ensuring that your lawn is cut evenly and efficiently. These batteries come in various sizes and voltages to fit different types of mowers and are typically rechargeable, making them a convenient and cost-effective option for lawn care enthusiasts.
At a Glance: Our Top Picks
Top 10 Lawn Mower Batteries
UPLUS 896 U1 Lawn Mower Battery
The UPLUS Lawn Mower Battery is a maintenance-free, 12V 350CCA AGM battery designed for garden tractors. It features a sealed design, ensuring no spills or leaks, which saves you the hassle of regular checks. The battery uses pure primary lead for better charging and reliability, providing you with a safe option that doesn’t emit toxic fumes. It is widely compatible with various brands, making it an excellent choice for your lawn care needs. Additionally, its high cranking performance ensures easy starting, even in very cold conditions.
ULTRA MAX 12V 18Ah Lawnmower Battery
The ULTRA MAX Lawnmower Battery offers a powerful 12V 18Ah capacity, ensuring reliable performance for your gardening needs. Its design allows for use in any orientation, making it versatile and user-friendly. With heavy-duty plates and a unique separator system, this battery boasts a longer lifespan, providing you with double the cyclic capability compared to conventional batteries. Supplied fully charged, you can start using it immediately, saving you time and enhancing your lawn care experience.
Yard Force 40V 2.5Ah Battery Pack for Lawnmower
The Yard Force 40V Battery Pack is designed with powerful and efficient lithium-ion technology, ensuring you have robust performance for your gardening tasks. With a Samsung 40V 2.5Ah capacity, it provides ample power to keep your equipment running. The battery is also durable and compact, making it easy to handle and store. You can enjoy approximately 25 minutes of run time, allowing you to complete your lawn care without frequent interruptions.
Electronicx 12V 30Ah AGM Lawn Tractor Battery
The Electronicx 30Ah Battery is a fully enclosed, maintenance-free option designed for ride-on lawnmowers and garden tools. With its impressive 30 Ah capacity, it offers significantly higher starting performance, ensuring your equipment runs smoothly every time. The modern high cold start cable enhances reliability, especially in colder weather. Plus, its long lifespan means you won’t have to worry about frequent replacements, giving you peace of mind while tending to your garden.
Ultramax 12v 18Ah Battery for Lawnmowers
The Ultramax 12v Battery is a powerful replacement option for various lawnmowers, offering a robust 12v 18Ah capacity. Its versatile design means it can be used in multiple applications, including emergency lighting and medical devices. Thanks to its heavy-duty plates and unique separator systems, you can expect a longer lifespan, making it a reliable choice for your power needs. With a low self-discharge rate of just 3% per month, this battery ensures you have the energy you need when you need it.
SuperBatt 32AGML 12V 32AH VRLA AGM Battery
The SuperBatt 32AGML Battery is a reliable choice for your ride-on garden lawn mower or mini tractor. Offering a voltage of 12V and capacity of 32AH, it delivers enhanced starting performance with up to 50% more cranking power. This maintenance-free battery is designed with advanced calcium lead alloy technology, ensuring it is totally sealed and spill-proof for your convenience. Additionally, its reinforced carrying handle makes transport easier, while its low self-discharge rate extends shelf life, ensuring you're ready to go whenever you need it.
Briggs & Stratton 18V Lithium-Ion Battery with USB Port
The Briggs & Stratton 18V Battery is designed for use with all Murray and Sprint 18V cordless garden products, providing you with a versatile power solution for your gardening needs. With its lithium-ion technology, this battery ensures longer run times, allowing you to work in your garden without frequent interruptions. The inclusion of a USB port offers added convenience, enabling you to charge your devices while you work. Additionally, the model is made from durable plastic, ensuring it can withstand the rigours of outdoor use.
ULTRA MAX 12V 4.5AH AGM/GEL Battery for Mower
The ULTRA MAX 12V Battery is a reliable power source for various applications, including lawn mowers. With a capacity of 4.5Ah, it is ideal for devices requiring standby power, ensuring you have the energy needed when you need it. This battery can easily replace the NP4-12 and NP5-12 models, providing a convenient upgrade. Its compact dimensions make it easy to fit into tight spaces, offering flexibility in installation for your lawn care tasks.
Numax 12V 32Ah Lawn Mower Battery
The Numax Lawn Mower Battery is a reliable 12V option designed to power your lawn mower effectively. This battery provides you with the necessary voltage for optimal performance, ensuring your mower operates smoothly. With a capacity of 32Ah, it offers ample energy for extended use, allowing you to tackle larger gardens without frequent recharges. This battery is specifically crafted for lawn mowers, making it a practical choice for maintaining your outdoor space.
Numax 12V 32Ah Lawn Mower Battery
The Numax Lawn Mower Battery is a reliable 12-volt garden machinery battery designed to power your lawn care equipment efficiently. With a capacity of 32Ah, it provides long-lasting energy, ensuring you can complete your gardening tasks without interruptions. This battery is specifically tailored for lawn mowers, making it an ideal choice for maintaining your garden. Its robust construction offers durability, giving you peace of mind during use and enhancing your overall mowing experience.
Frequently Asked Questions (FAQs)
1. What size battery do I need for my lawn mower?
Most riding lawn mowers use 12V batteries, but there are also some models, especially smaller ones that use 6V batteries.
2. How long should lawn mower battery last?
As a general rule, you can expect the battery in a riding lawn mower to last you for about four years. Once it gets near the end of this lifespan, you'll notice the battery will not be holding its charge for as long as it once did.
3. Are all mower batteries the same?
Most riding lawn mower uses 12-volt batteries – the same batteries found on most automotive and vehicles. Some batteries can run at a higher voltage, usually at 36 to 40 volts. These high-voltage batteries are specialized and are only suitable for power electric walk-behind mowers.
During our lawn mower battery research, we found 160 lawn mower battery products and shortlisted 10 quality products. We collected and analyzed 8,237 customer reviews through our big data system to write the lawn mower batteries list. We found that most customers choose lawn mower batteries with an average price of £48.37.
The lawn mower batteries are available for purchase. We have researched hundreds of brands and picked the top brands of lawn mower batteries, including UPLUS NEW TECHNOLOGY BATTERY, ULTRA MAX, Yard Force, Electronicx, Briggs & Stratton. The seller of top 1 product has received honest feedback from 74 consumers with an average rating of 4.8.

Toby Butcher is a Horticulturist, and he earned his title as a Master Gardener in 2016. Toby has acquired a 25-year experience as a home gardener planting, designing, grooming vegetables and flowers. He is the leader of a plant group in Durham. Toby owns a blog where he publishes articles on growing and growing your flowers at home, in a vase, or in a garden.