Skip to main content TechRadar the technology experts Search TechRadar View Profile België (Nederlands) Deutschland North America US (English) Australasia New Zealand Tech Radar Pro Tech Radar Gaming Nintendo Switch 2 Direct LIVE Nintendo Switch 2 NYT Wordle today Best laptop Segway's new lawnbots mow at super-speed and can tackle lawns bigger than football fields Ruth Hamilton 2 April 2025 The Navimow X3 series is made for palatial lawns When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. (Image credit: Future) Segway has expanded its robot lawnmower range with four new X3 Series models, designed especially for massive lawns. The new Segway lawnbots are designed to tackle garden from 1,500 square meters right up to a massive 10,000 square meters in size – that's the equivalent of a football pitch and a half – with (of course) no need for boundary wires. I saw some in action, tackling challenging terrain around on a golf course, and was duly impressed. Navimow already has an i Series (for small lawns) and H Series (for small to medium lawns), but the brand found that a not-insubstantial 10% of its customers were tasking their bots with mowing a space larger than recommended. So the X3 series is designed to fill that gap, a particular focus on mowing efficiency and navigation accuracy. There are four bots in the range, priced from $2,499 / £2,199 to $4,999 / £4,299. The Navimow X3 series is designed specifically for big, complicated lawns (Image credit: Future) Segway says the X3 series models mow twice as fast as the average lawnbot. While not quite F1 speeds (which, to be clear, is a good thing – that would be terrifying), they're still impressively efficient, capable of covering an area of 5,000 square meters in 24 hours. That opens them up to commercial spaces as well as just homes with large, complex grounds. There's a souped-up motor that offers 25% more power, plus a six-blade cutting mechanism for double the cutting power. There's also a blade specifically to prevent the mechanism getting clogged up with mulched grass. The bots can handle inclines of up to 27 degrees, as demonstrated in the clip below (it did also go up this slope). Also helping streamline the process is an improved battery. After all, if you have a lawn that big, even the process of trundling back to the dock is going to take a while. Segway says the X3 Series bots can mow 1,200 square meters of lawn before needing to return to their dock to recharge, and when they do, that charging is super-speedy, to allow them to get back mowing asap. If it means anything to you, the X3 Series is the first robotic lawn mower to receive an endorsement for "high mowing efficiency" from TÜV Rheinland. Navigation stations To ensure the lawnbots always know where they are on these gargantuan lawns, Segway has also improved its navigation features. Get daily insight, inspiration and deals in your inbox Sign up for breaking news, reviews, opinion, top tech deals, and more. Contact me with news and offers from other Future brandsReceive email from us on behalf of our trusted partners or sponsorsBy submitting your information you agree to the Terms & Conditions and Privacy Policy and are aged 16 or over. Lawnbots establish their location using satellite, and for the X3 Series the brand promises 20-30% better signal coverage, even in potential blind spots like narrow walkways or beneath high rooftops. There's also an extra backup antenna, for added signal stability when the base station is a long way from the edge of the lawn. On the ground, there are two wayfinding systems working in tandem: VSLAM, which relies on recognizable visual cues, and VIO, which is better for new, featureless areas. Three cameras give the bots a 300-degree field of view – so not only can they spot obstacles in front of them, but also to either side – working alongside a Time of Flight (ToF) sensor with a 0.1-2 meter range for obstacle avoidance. The lawnbot navigated not just this lawn set accurately, but more complex obstacles like a moving ball (Image credit: Future) During the demo, obstacle avoidance was indeed very impressive; the lawnbot even detected and avoided moving objects like a football. (Here's more on how robot lawn mowers work, in simpler terms, if it's helpful.) Segway has added a dot matrix screen that shows status and GPS tracking updates, and also added Alexa and Google Home compatibility, if voice commands are your thing. An edge case? If you want to hack the system further, and have the skills to do so, now you can. An Expansion Bay with open API enables customers to add extensions based on their needs. The first add-on to launch through Expansion Bay is a semi-automatic edge trimmer. Before you get too excited, it's not available everywhere – there's no launch planned in the US or the UK, although it is available in some European countries including Italy, Finland, Sweden and Czechia, and there are plans for it to come to Germany and France too. Edge trimming is something that regular lawnbots can't really do (just as today's best robot vacuums still aren't so good at edges... although at least there are features in place with those to try and improve the situation). A lawnbot that could also trim your edges could be a real game changer – it means you wouldn't need to also get out a manual strimmer to keep your lawn neat. You might also like... Mammotion LUBA 2 AWD review This robot lawn mower turns into a snow blower, and I've never wanted to wake up to a blocked drive more This robot lawn mower promises to traverse awkward lawns with the agility of a mountain goat See more Smart Home News Ruth Hamilton Social Links Navigation Homes Editor Ruth is TechRadar's Homes Editor specializing in air (vacuum cleaners, fans, air purifiers), and hair (hair dryers, straighteners and stylers). She has been in consumer journalism since 2020, reviewing and writing about everything from outdoor kit to mattresses and wellness gadgets, with stints on Tom's Guide and T3. You must confirm your public display name before commenting Please logout and then login again, you will then be prompted to enter your display name. 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