Updated:22 October 2026
Rank 1-15 of the best Lawn Mower Batteries
Our recommendation Price Customer rating
1. Comparison winner
Yard Force 40V 2.5Ah Lithium-Ion Battery for Garden Tools AL G25
Yard Force 40V 2.5Ah Lithium-Ion Battery for Garden Tools AL G25
Available immediately
free shipping
  • Akkulaufzeit: the battery has a capacity of 2.5 Ah at 40 V, providing a longer run time for garden tasks and a charging time of about 45 minutes
  • Schutzeinrichtungen: the lithium battery is equipped with overload and overheating protection to extend battery life
  • Ladekompatibilität mit anderen Geräten: compatible with other devices in the same 40 V battery system
Our rating
9,6
very good
50+ purchases last month
2. Best value
Einhell 18V 4.0Ah Lithium-Ion Battery Twin Pack (2 x 4.0Ah) Power X-Change – Compatible with all PXC tools and garden machines
Einhell 18V 4.0Ah Lithium-Ion Battery Twin Pack (2 x 4.0Ah) Power X-Change – Compatible with all PXC tools and garden machines
Available immediately
free shipping
  • capacity per battery is four ampere-hours and the twin pack contains two universal 18 volt rechargeable batteries
  • service life is extended by charging cycles that adapt to how the battery is used
  • compatibility with other devices in the Power X-Change system allows use across a wide range of tools
Our rating
9,6
very good
Ultramax 12V 18Ah Replacement Battery for Lawnmowers
Ultramax 12V 18Ah Replacement Battery for Lawnmowers
Available immediately
free shipping
  • provides an extended lifespan due to heavy-duty plates and unique separator systems
  • compatible with various devices including emergency lighting, general electronics, medical equipment, and lawn mowers
  • usage in any orientation suitable except continuous inverted position
Our rating
9,6
very good
4. Bestseller
WORX WG927E 40V PowerShare Lawnmower & Trimmer Twin Pack (2x20V)
WORX WG927E 40V PowerShare Lawnmower & Trimmer Twin Pack (2x20V)
Available immediately
free shipping
  • cutting width of 34 centimetres, the width covered in each pass
  • six cutting height settings to adjust blade height for different lawn conditions
  • batteries are interchangeable with other cordless tools in the same system, allowing you to reuse the same batteries across tools
Our rating
9,6
very good
Ultramax 12V 18Ah Lawnmower Battery
Ultramax 12V 18Ah Lawnmower Battery
Available immediately
free shipping
  • 12v 18Ah battery storage size for various electronics
  • usable in any orientation, except continuously upside down
  • compatible with emergency lighting, general electronics, medical, mobility and security devices
Our rating
9,6
very good
Greenworks 40V Cordless Lawnmower G40LM41K2X
Greenworks 40V Cordless Lawnmower G40LM41K2X
Available immediately
free shipping
  • suitable for lawns up to 500 square metres on a single charge
  • battery life allows for cutting up to 250 square metres per charge
  • features 5 cutting heights ranging from 25mm to 80mm
Our rating
9,5
very good
EXIDE U1L-250 12V 24AH Garden Battery
EXIDE U1L-250 12V 24AH Garden Battery
Available immediately
free shipping
  • Battery life of 24 ampere hours to suit frequent usage
  • Multiple cutting height options available for versatile use
Our rating
9,5
very good
UPLUS 896 U1 12V Lawn Mower Battery
UPLUS 896 U1 12V Lawn Mower Battery
Available immediately
free shipping
  • size U1 battery suitable for a range of applications
  • maintenance-free with no need for water checks
  • compatible with a variety of equipment brands such as John Deere and Craftsman
Our rating
9,3
good
UPLUS 895 U1R 12V 330A CCA Riding Lawn Mower Battery Maintenance-Free
UPLUS 895 U1R 12V 330A CCA Riding Lawn Mower Battery Maintenance-Free
Available immediately
free shipping
  • Dimensions: 195 mm long by 125 mm wide by 176 mm high
  • Battery capacity: 25 ampere-hours at 12 volts, indicating the energy stored
  • Compatible with John Deere, Cub Cadet, Husqvarna, Craftsman, Toro, MTD, Hayter, Lawnflite, Poulan Pro and Troy-Bilt equipment
Our rating
9,1
good
UPLUS LP12-20 12V 20Ah Rechargeable Deep Cycle AGM Battery M5 Terminal
UPLUS LP12-20 12V 20Ah Rechargeable Deep Cycle AGM Battery M5 Terminal
Available immediately
free shipping
  • battery dimensions describe the physical size, measuring 181.5 millimetres long by 76.5 millimetres wide by 167.5 millimetres high
  • lifetime: up to 600 charging and discharging cycles
  • terminal layout and compatibility: left terminal positive and right terminal negative, designed to fit standard 12-volt battery configurations
Our rating
9,0
good
SuperBatt 32AGMR 12V AGM Battery
SuperBatt 32AGMR 12V AGM Battery
Available immediately
free shipping
  • extended use with low self-discharge rates
  • suitable for use in various climate conditions with height including terminals as 185mm
  • compatible for efficient charging with other devices
Our rating
8,9
good
SuperBatt 32AGML VRLA AGM Battery 12V 32AH
SuperBatt 32AGML VRLA AGM Battery 12V 32AH
Available immediately
free shipping
  • battery capacity of 32 amp-hours, providing reliable power
  • withstands severe temperatures for all climates
  • suitable for other devices with its standard 12V charging compatibility
Our rating
8,6
good
Lucas 12V 20Ah Battery for Mobility Scooter, Lawn Mower and UPS
Lucas 12V 20Ah Battery for Mobility Scooter, Lawn Mower and UPS
Available immediately
free shipping
  • 12V 20Ah capacity with upright post terminals for reliable power delivery
  • Fully rechargeable design allowing for multiple uses and long-term cost savings
  • Compatible with a range of devices including lawnmowers, UPS packs, mobility scooters, jump packs, decoy units, gas bangers and golf trolleys
Our rating
8,6
good
UPLUS UPN12-18 12V 18Ah Rechargeable AGM Battery
UPLUS UPN12-18 12V 18Ah Rechargeable AGM Battery
Available immediately
free shipping
  • Dimensions: 181.5 mm long, 76.5 mm wide and 167.5 mm high; weight 5.35 kg
  • Lifespan: up to 600 charge and discharge cycles
  • Charging compatibility: compatible with chargers that use a standard T3 terminal
Our rating
8,5
good
UPLUS UP12-20P AGM Starter Battery 12V 20Ah 282A CCA (EN), PC680 Replacement for Lawnmowers, Quad Bikes, Jet Skis and BMW Motorcycles
UPLUS UP12-20P AGM Starter Battery 12V 20Ah 282A CCA (EN), PC680 Replacement for Lawnmowers, Quad Bikes, Jet Skis and BMW Motorcycles
Available immediately
free shipping
  • dimensions: 181.5 millimetres long, 77 millimetres wide and 166 millimetres high; weight 6.9 kilograms
  • cycle life: up to 600 charge and discharge cycles
  • terminal compatibility: uses a standard T12 terminal
Our rating
8,3
good

Similar Lawn Mower Battery comparisons

Lawn Mower Batteries buying guide: How to choose the right product from the above Lawn Mower Batteries test or comparison

Understanding the Importance of Lawn Mower Batteries

Why a Good Battery Matters

When we think about lawn mowers, we often focus on features like cutting width or engine power. However, the battery is equally crucial, especially for electric or battery-powered models. A reliable battery ensures your mower starts easily and performs consistently throughout your mowing session. Without it, even the best mower won’t help you achieve that neat, manicured lawn.

Impact on Performance

A battery powers not only the motor but also all electronic components in modern lawn mowers. This includes blades, lights, and sometimes even self-propelling features. Therefore, understanding battery performance can directly affect your mowing efficiency, cutting time, and the overall quality of your work.

Types of Lawn Mower Batteries: Which One is Right for You?

Lead-Acid Batteries: The Traditional Choice

Lead-acid batteries are the workhorses of the lawn mower world. They have been around for decades and are reliable and affordable. However, they can be quite heavy and may not hold a charge as well compared to other battery types. If you have a larger mower or use it less frequently, this type might fit your needs.

Lithium-Ion Batteries: The Modern Alternative

Lithium-ion batteries are becoming increasingly popular due to their lightweight design and longer lifespan. They charge faster and maintain their performance over extended periods. If you mow regularly or have a compact mower, investing in a lithium-ion battery might make your life easier and enhance your mowing experience.

Key Features to Look for When Buying a Lawn Mower Battery

Capacity and Voltage

When choosing a lawn mower battery, consider its capacity, usually measured in ampere-hours (Ah), and the voltage rating. A higher capacity means the battery can store more energy, leading to longer run times. Ensure that the battery’s voltage matches your mower’s specifications to avoid compatibility issues.

Charging Time and Cycle Life

It’s crucial to look at how long it takes to charge the battery fully and how many charge cycles you can expect from it. Batteries with a rapid charging feature can save you time, especially if you tend to mow your lawn frequently. Cycle life determines how long the battery will last before it needs replacing, making this a vital aspect to consider.

How to Extend the Lifespan of Your Lawn Mower Battery

Proper Charging Practices

To maximise the life of your lawn mower battery, follow correct charging procedures. Avoid leaving the battery on the charger longer than necessary and ensure it is fully charged before storing it. Overcharging can lead to performance issues and shorten the battery’s overall life.

Storage Conditions Matter

Store your battery in a cool, dry place. Extreme temperatures can affect battery performance negatively. If you won’t use the battery for an extended period, consider partially charging it every few months to maintain its health.

Top Recommendations for Lawn Mower Batteries in 2023

Best Lead-Acid Option

For those favouring traditional lead-acid batteries, we recommend the XYZ Brand 12V battery, known for its dependable performance and affordability. It’s suitable for a wide range of mowers and offers a solid lifespan.

Top Lithium-Ion Pick

If you’re leaning towards lithium-ion, the ABC Brand 40V battery is excellent. It has a quick recharge time and provides ample power for medium to large gardens, making it a favourite among homeowners who need efficiency.

Table of contents
  1. Understanding the Importance of Lawn Mower Batteries
  2. Types of Lawn Mower Batteries: Which One is Right for You?
  3. Key Features to Look for When Buying a Lawn Mower Battery
  4. How to Extend the Lifespan of Your Lawn Mower Battery
  5. Top Recommendations for Lawn Mower Batteries in 2023

Overview

1. Comparison winner
Yard Force 40V 2.5Ah Lithium-Ion Battery for Garden Tools AL G25
Our rating
9,6
very good
Yard Force 40V 2.5Ah Lithium-Ion Battery for Garden Tools AL G25Available immediately
2. Best value
Einhell 18V 4.0Ah Lithium-Ion Battery Twin Pack (2 x 4.0Ah) Power X-Change – Compatible with all PXC tools and garden machines
Our rating
9,6
very good
Einhell 18V 4.0Ah Lithium-Ion Battery Twin Pack (2 x 4.0Ah) Power X-Change – Compatible with all PXC tools and garden machinesAvailable immediately
Ultramax 12V 18Ah Replacement Battery for Lawnmowers
Our rating
9,6
very good
Ultramax 12V 18Ah Replacement Battery for LawnmowersAvailable immediately
4. Bestseller
WORX WG927E 40V PowerShare Lawnmower & Trimmer Twin Pack (2x20V)
Our rating
9,6
very good
WORX WG927E 40V PowerShare Lawnmower & Trimmer Twin Pack (2x20V)Available immediately
Ultramax 12V 18Ah Lawnmower Battery
Our rating
9,6
very good
Ultramax 12V 18Ah Lawnmower BatteryAvailable immediately
Greenworks 40V Cordless Lawnmower G40LM41K2X
Our rating
9,5
very good
Greenworks 40V Cordless Lawnmower G40LM41K2XAvailable immediately
EXIDE U1L-250 12V 24AH Garden Battery
Our rating
9,5
very good
EXIDE U1L-250 12V 24AH Garden BatteryAvailable immediately
UPLUS 896 U1 12V Lawn Mower Battery
Our rating
9,3
good
UPLUS 896 U1 12V Lawn Mower BatteryAvailable immediately
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Our tests and comparisons are objective and fact-based. Manufacturers have no influence on the ratings. We aim to provide greater transparency in the market, thereby promoting product quality.
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In our tests & comparison tables, we only include products that meet our minimum standards. This ensures that you can find the perfect product for your needs from a wide selection.
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