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Robot Lawn Mowers
A robot lawn mower trims a little and often, keeping the lawn even without a weekend spent behind a mower. Choose between models guided by a boundary wire and wire-free models that navigate by satellite positioning or cameras.
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Buying advice
Protect hedgehogs when you set the schedule
Robot mowers and garden wildlife can clash. A team including University of Oxford researchers tested 18 robotic lawnmower models and reported in Animals that none detected juvenile hedgehogs weighing under 200 g, though designs with pivoting blades, skid plates or front-wheel drive caused less harm. Ask each maker on your shortlist about blade design and how the mower reacts to a small animal in its path. Because hedgehogs forage after dark, set mowing to daylight hours only. Check long grass and hedge bases by hand before the first cut of the season.
Safety paperwork and keeping children clear
IEC 60335-2-107:2017 is the international safety standard for robotic battery-powered lawnmowers, their accessories and their charging stations, so ask whether the model you like has been tested against it. Read how the blades stop when the mower is lifted or tipped, and try the stop button yourself in the shop or on delivery. Keep young children and pets indoors while it works, and teach older children that it is not a ride-on toy. The charging station needs a weatherproof outdoor socket protected by an RCD, so budget for an electrician if you do not have one.
Comparing the mowers on this page
At the October 2026 check, you could see listed prices as low as about $300 for the LawnMaster OcuMow 16 and as high as about $3,500 for the Husqvarna Automower 450X EPOS, and no listing was quote-only. Start from the size and shape of your own garden rather than from a budget. Ask the dealer whether installation is included, what replacement blades cost and whether an annual service is recommended. Ask too where the mower should spend the winter, and whether the maker covers the battery under warranty for as long as the mower itself.
What to look for
- Lawn area and steepest slope, against each model's rated limits
- Boundary wire or wire-free navigation, and how it handles narrow passages
- Scheduling, rain behaviour and anti-theft features in the app
Common questions
Do I need to lay a boundary wire?
Not with every model. Wire-free mowers use satellite positioning, cameras or both to know where the lawn ends. Wired models need a cable pegged or buried around the edge, usually once at setup.
Can a robot mower handle slopes and uneven ground?
It depends on the model. Each maker rates its mowers for a maximum slope, and some are built for hilly or rough lawns. Compare that rating with the steepest part of your garden.
Sources and further reading
- Wildlife conservation at a garden level: the effect of robotic lawn mowers on European hedgehogs — Animals (record at the University of Oxford Research Archive).
Tests of 18 robotic mowers on hedgehog specimens of different sizes, showing which design features caused less harm. - IEC 60335-2-107:2017 Robotic battery-powered electrical lawnmowers — International Electrotechnical Commission (IEC).
Safety standard for robotic battery-powered lawnmowers, their peripherals and their mains-powered charging stations. - Central Electricity Authority (Measures relating to Safety and Electric Supply) Regulations, 2023 — Central Electricity Authority (CEA), Government of India.
Indian electrical safety rules, including 30 mA residual current devices in homes and earthed three-pin sockets.
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