LawnMaster L12 Robotic Lawnmower - Fully Automatic Robot Mower with Auto Charging Docking Station - 20V MAX 4.0Ah Lithium-Ion Battery - For Lawns up to 800m², 18cm Cut Width & 20-60mm Cutting Heights

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Luckily, some of the newer models “are incredibly quiet, emitting nothing more than a satisfying hum,” says Geoff and Jill. It’s designed for lawns up to 600m 2, and its chunky wheels allow it to tackle a wide range of terrains - including inclines of up to 40 per cent in our test garden - with ease. Naturally, a mallet or hammer to drive the pegs into the lawn would be more than adequate but would just take that little bit longer. It doesn’t require a huge technical knowledge to get started and yet you’ll still be left with a clean and neat finish for your lawn.

and it’s driven by two large wheels at the rear with a couple of smaller coaster wheels for stability. Bosch's muted black and green gadget remembers which way it cut the last session and alternates its blades, so as not to leave permanent tracks across your lawn. As I was only testing this robotic mower on half of my 80m² lawn, I set the operation time to 4 hours on alternate days. This robotic mower drops its clippings back onto the lawn's surface for a naturally fertilised lawn. Designed for use in gardens with a maximum 300m² lawn area, this smart bit of grass trimming kit features a ‘Logicut’ navigation system to mow grass in organised lanes, rather than some higgledy-piggledy manner like other automated offerings.The auto calendar function is also useful for creating a personalised mowing schedule to keep your green in tip-top condition. Imperfect lawn edges: Some robot mowers may leave some grass uncut at the lawn's edges, says My Robot Mower, requiring additional tidying up with an electric strimmer for a polished look. You probably already get the gist of how they work (and if not, check with this article on How Robot Mowers Work), and no, they won’t do your dishes.

This mower maps the lawn and cuts it in sensible stripes, knowing where it’s been so it doesn’t keep going over the same ground. Most mowers operate within an electronic perimeter wire, which is “laid around the lawn edge just under the surface of the turf”, which serves to orientate and guide the mower during its operation. To help get you up to speed with these electric lawn mowers, we’ve enlisted the expertise of our contributors Geoff Hodge and Jill Morgan. It is located under the hatch on the bottom of the mower where you can also find the USB port for any firmware updates.With a larger battery and longer boundary wire the L12 takes care of lawns up to 800m2 giving you the freedom to relax or get other things done. Just be sure to run the perimeter wire less than 1cm apart leading out to the obstacle to ensure that the robotic mower ignores this stretch of the wire and mows over it. The robot lawn mower usually mows for around 10 hours per day, half of the time charging at roughly 80 Wh (1000 W = 1 kW).