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Robot mowers are battery-powered, autonomous lawn mowers, making them a sustainable alternative to traditional gas-powered models. Much like robot vacuums, robot lawn mowers autonomously navigate around the ground, cutting grass as they go. They use sensors to navigate and stay within boundaries while mowing, as well as a companion control app. Unlike newer vacuums, robot lawn mowers can use a physical boundary, such as a buried wire along the perimeter, as with the Husqvarna 430X. The bots can also use a combination of GPS and LiDAR navigation, aided by a satellite antenna, to mow autonomously within a specified area, like the Mammotion Luba 2 and the newer Segway Navimow X3. Follow ZDNET: Add us as a preferred source on Google.What is the best robot mower right now?After testing some of the top robot lawn mowers on the market, ZDNET's pick for the best robot mower overall is the . This all-wheel-drive robot lawn mower uses a virtual, GPS-powered boundary and can handle up to 80-degree slopes and mow up to 0.25 acres in one go, with options going up to 2.5 acres. Luba 2's GPS navigation system is so accurate that I fully trust it to mow my unfenced property line without burying boundary wires. This isn't the only option for buyers. Read on to find ZDNET's top robot mower picks and check back regularly to see new additions.Also: This futuristic portable battery kept my home running during an outage. Here's howThe best robot mowers of 2026 FAQs on robot mowers Other robot mowers worth considering