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10 Best Cordless Lawn Mowers 2025 in the UK

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Buying Guide for the Best Cordless Lawn Mowers

Choosing the right cordless lawn mower can make your lawn care routine efficient and enjoyable. Cordless lawn mowers offer the convenience of being battery-powered, eliminating the need for cords and making them easier to maneuver. When selecting a cordless lawn mower, consider the size of your lawn, the type of grass, and your personal preferences for features and ease of use. Understanding the key specifications will help you make an informed decision that best suits your needs.
Battery VoltageBattery voltage in cordless lawn mowers determines the power output of the mower. Higher voltage batteries generally provide more power, which can be useful for cutting thicker or tougher grass. Typically, battery voltages range from 18V to 80V. For small to medium-sized lawns with regular grass, a lower voltage battery may suffice, while larger lawns or those with dense grass may benefit from higher voltage options.
Battery CapacityBattery capacity, measured in ampere-hours (Ah), indicates how long the mower can run on a single charge. A higher capacity means longer runtime, which is crucial for larger lawns. Battery capacities usually range from 2Ah to 7Ah. If you have a small lawn, a lower capacity battery might be adequate, but for larger areas, consider a higher capacity to avoid frequent recharging.
Cutting WidthCutting width refers to the width of the mower's blade and determines how much grass is cut in a single pass. Wider cutting widths can reduce mowing time, especially for larger lawns. Cutting widths typically range from 14 inches to 21 inches. For small lawns, a narrower cutting width may be sufficient, while larger lawns can benefit from a wider cutting width to cover more ground quickly.
Cutting Height AdjustmentCutting height adjustment allows you to change the height at which the grass is cut. This feature is important for maintaining the health of your lawn and achieving the desired look. Most mowers offer multiple height settings, usually ranging from 1 inch to 4 inches. Consider the type of grass and the season when choosing the right cutting height; taller settings are often better for hot weather to protect the grass roots.
RuntimeRuntime is the duration a mower can operate on a full battery charge. It is influenced by battery capacity and the efficiency of the mower. Longer runtime is beneficial for larger lawns to complete mowing without interruptions. Runtime can vary from 30 minutes to over an hour. Assess the size of your lawn and typical mowing duration to determine the necessary runtime for your needs.
WeightWeight affects the ease of maneuverability and storage of the mower. Lighter mowers are easier to push and handle, especially on uneven terrain. Mower weights can range from 30 pounds to over 60 pounds. If you have a small lawn or prefer a mower that's easy to handle, opt for a lighter model. For larger lawns, weight may be less of a concern if the mower has self-propelling features.
Deck MaterialDeck material impacts the durability and longevity of the mower. Common materials include steel, plastic, and composite. Steel decks are robust and long-lasting but heavier, while plastic and composite decks are lighter and resistant to rust. Consider the terrain and frequency of use when choosing deck material; steel is ideal for rough conditions, while plastic or composite may be suitable for regular, light use.