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10 Best Battery Lawn Mower 2025 in the UK

Ryobi OLM1833B 18V ONE+ Cordless 33cm Lawnmower (Body Only), Anthracite/Green

Battery Voltage: 18V
Battery Capacity (Ah): 5.0 Ah
Cutting Width: 33 cm
Runtime: up to 250 m²
Weight: 7.7 kg
Height Adjustment: 25-65mm
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Our Top Picks

#1

Winner

Flymo EasiStore 300R Li Cordless Rotary Lawn Mower - 40 V Battery (20 V x 2 Including Charger), 30 cm Cutting Width, 30 Litre Grass Box, Close Edge Cutting, Rear Roller, Space Saving Storage Features

Rating
10.0
Chosen by1,164
Battery Capacity (Ah)
Battery Capacity (Ah)
Batteries may lose their ability to hold charge after a couple of years, but it cuts well when operational.

The Flymo EasiStore 300R Li Cordless Rotary Lawn Mower is a versatile tool for maintaining your lawn. Powered by a 40V (2 x 20V) battery, it offers the convenience and freedom of cordless operation. With a 30 cm cutting width and adjustable cutting heights from 20 to 65 mm, this mower is suitable for small to medium-sized lawns.

The 30-litre grass box reduces the frequency of emptying, making your mowing experience more efficient. Weighing in at 8.8 kg, it is relatively lightweight, enhancing its manoeuvrability around your garden. Additionally, the mower features a rear roller for a striped lawn finish and close-edge cutting for a tidy look along borders and obstacles.

The dual lever handles make it comfortable to use with either hand, adding to its ease of operation. The mower's plastic construction may not be as durable as metal alternatives, but it contributes to its lighter weight. This model is a good fit for those looking for a compact, easy-to-store, and cordless lawn mower for regular garden maintenance.

Rating
10.0
Chosen by1,164
Battery Capacity (Ah)
Battery Capacity (Ah)
Batteries may lose their ability to hold charge after a couple of years, but it cuts well when operational.
#2

Worx WG743E.1 40V 40cm Cordless Lawnmower – Ideal for Medium to Large Gardens (Up to 500㎡) – Includes 2x 4.0Ah Batteries & Charger – IntelliCut™, Cut-to-Edge, 7 Height Positions, PowerShare

Rating
10.0
Runtime
Weight
Runtime
Managing the battery life can be tricky, especially for larger lawns, but additional batteries can solve this.
Weight
Despite its weight affecting maneuverability, the mower is smooth and quiet to operate.

The Worx WG743E.1 cordless lawn mower is tailored for medium to large gardens, making it suitable for spaces up to 500 m². It comes equipped with two 4.0Ah batteries, offering a notable runtime thanks to its 40V power, which is efficient for battery-powered models. The IntelliCut technology is a standout feature, automatically adjusting the blade speed to maintain performance in varying grass conditions, which helps conserve battery life. Its 40cm cutting width is decent for covering large areas without needing frequent passes.

With seven height adjustment positions, this mower provides flexibility in cutting preferences, ensuring a well-maintained lawn regardless of grass type. The mower's design also facilitates close-edge cutting, which minimizes the need for additional trimming along borders and fences. Furthermore, the integrated rear roller adds a professional striped finish to the lawn, which might appeal to those seeking a neat appearance.

A key benefit of the WG743E.1 is the PowerShare feature, which allows battery compatibility with other Worx tools, potentially saving costs on additional batteries. The mower's dual function of bagging or mulching adds value by offering options for either collecting clippings in a 2-in-1 bag or naturally fertilizing the lawn. However, at 17.3 kg (38.1 lbs), it may feel heavy for some users, which could affect maneuverability, especially in uneven terrains. Additionally, the charging time isn't specified, but typically these require a few hours, which might interrupt longer mowing tasks if both batteries are depleted simultaneously.

In essence, the Worx WG743E.1 offers eco-friendly operation with great features for efficiency and lawn appearance, though its weight and potential charging downtime could be limitations for some users.

Rating
10.0
Runtime
Weight
Runtime
Managing the battery life can be tricky, especially for larger lawns, but additional batteries can solve this.
Weight
Despite its weight affecting maneuverability, the mower is smooth and quiet to operate.
#3

Ryobi OLM1833B 18V ONE+ Cordless 33cm Lawnmower (Body Only), Anthracite/Green

Rating
9.8
Battery Capacity (Ah)
Weight
Height Adjustment
Battery Capacity (Ah)
Battery performance is satisfactory, with a 5.0 Ah battery easily handling substantial lawns, though more demanding conditions can deplete it faster.
Weight
The Ryobi OLM1833B is impressively light, akin to pushing a stroller, making it effortless to maneuver, even for older users.
Height Adjustment
The cutting height adjustment mechanism could be improved; the highest setting can be difficult to disengage.

The Ryobi OLM1833B 18V ONE+ Cordless Lawnmower offers convenient cordless operation, eliminating the hassle of cords and the mess of petrol. Its 33cm cutting width is suitable for small to medium gardens and makes it easy to manoeuvre around obstacles. The mower's lightweight design at 7.7 kg and 5-level height adjustment (25-65mm) ensure flexibility and ease of use for varied lawn conditions. However, it's important to note that this product is sold as 'body only,' meaning the battery and charger are not included, which could be an additional expense unless you already own Ryobi ONE+ batteries.

The mower boasts a runtime that can manage up to 250 m² on a single charge with an 18V ONE+ 5.0 Ah battery, making it suitable for most small garden spaces. Its mulching capability is a nice touch, allowing you to nourish your lawn naturally while mowing. The adjustable telescopic handle is another plus, adapting to different user heights for comfort.

One downside is the charging time, which might be longer depending on the battery used, potentially leaving a gap between mowing sessions if you don't have a spare battery. Additionally, for those with larger lawns, the 33cm cutting width may require more passes compared to larger models, which could extend mowing time.

The Ryobi OLM1833B is an excellent option for those who are already invested in the Ryobi ONE+ system, as it is compatible with their extensive range of tools powered by the same battery. It ranks well in customer reviews, scoring 4.3 out of 5 stars, reflecting satisfaction with its performance and features. This lawnmower is a solid choice for users looking for a cordless, lightweight, and efficient solution to maintaining their lawns with minimal fuss.

Rating
9.8
Battery Capacity (Ah)
Weight
Height Adjustment
Battery Capacity (Ah)
Battery performance is satisfactory, with a 5.0 Ah battery easily handling substantial lawns, though more demanding conditions can deplete it faster.
Weight
The Ryobi OLM1833B is impressively light, akin to pushing a stroller, making it effortless to maneuver, even for older users.
Height Adjustment
The cutting height adjustment mechanism could be improved; the highest setting can be difficult to disengage.

Buying Guide for the Best Battery Lawn Mower

Choosing the right battery lawn mower can make your lawn care routine much easier and more efficient. Battery lawn mowers are known for being eco-friendly, quieter, and easier to maintain compared to their gas-powered counterparts. When selecting a battery lawn mower, it's important to consider several key specifications to ensure you get the best fit for your needs. Understanding these specs will help you make an informed decision and find a mower that suits your lawn size, terrain, and personal preferences.
Battery VoltageBattery voltage indicates the power output of the lawn mower. Higher voltage generally means more power, which can be useful for cutting through thicker or taller grass. Battery voltages typically range from 20V to 80V. For small to medium-sized lawns with regular grass, a lower voltage (20V-40V) may be sufficient. For larger lawns or tougher grass, a higher voltage (50V-80V) would be more appropriate. Consider the size and condition of your lawn when choosing the battery voltage.
Battery Capacity (Ah)Battery capacity, measured in ampere-hours (Ah), determines how long the mower can run on a single charge. A higher Ah rating means a longer runtime. Battery capacities usually range from 2.0Ah to 7.5Ah. For small lawns, a lower capacity (2.0Ah-4.0Ah) may be adequate, while larger lawns may require a higher capacity (5.0Ah-7.5Ah) to avoid frequent recharging. Assess the size of your lawn and how long you typically spend mowing to choose the right battery capacity.
Cutting WidthCutting width refers to the width of the mower's cutting deck and determines how much grass the mower can cut in a single pass. Common cutting widths range from 14 inches to 21 inches. A wider cutting width (18 inches or more) can reduce the number of passes needed to mow the lawn, making it ideal for larger lawns. For smaller lawns or areas with tight spaces, a narrower cutting width (14-17 inches) may be more maneuverable and easier to handle. Consider the size and layout of your lawn when selecting the cutting width.
RuntimeRuntime is the amount of time the mower can operate on a fully charged battery. This spec is influenced by both the battery capacity and the efficiency of the mower. Runtimes can vary from 30 minutes to over an hour. For small to medium-sized lawns, a runtime of 30-45 minutes may be sufficient. For larger lawns, look for a mower with a longer runtime or consider purchasing an additional battery to swap out during mowing. Think about how long it typically takes you to mow your lawn to determine the necessary runtime.
Charging TimeCharging time is the amount of time it takes to fully recharge the mower's battery. Charging times can range from 30 minutes to several hours. Faster charging times are convenient if you need to quickly recharge the battery between mowing sessions. If you have a larger lawn or prefer to mow in one go, a mower with a shorter charging time or an additional battery may be beneficial. Consider how often and how long you mow your lawn to decide on an acceptable charging time.
WeightThe weight of the lawn mower affects its maneuverability and ease of use. Lighter mowers are easier to push and handle, especially on uneven terrain or slopes. Battery lawn mowers typically weigh between 30 to 60 pounds. For smaller lawns or if you have difficulty pushing heavier equipment, a lighter mower (30-40 pounds) may be more suitable. For larger lawns or if you prefer a more robust mower, a slightly heavier model (40-60 pounds) might be acceptable. Consider your physical strength and the terrain of your lawn when choosing the weight of the mower.
Height AdjustmentHeight adjustment allows you to change the cutting height of the mower to suit different grass lengths and types. Most mowers offer multiple height settings, typically ranging from 1 to 4 inches. This feature is important for maintaining a healthy lawn, as different grass types and seasons may require different cutting heights. Look for a mower with easy-to-use height adjustment options that cover the range you need. Consider the type of grass you have and your preferred lawn height when selecting a mower with the appropriate height adjustment settings.