Robot lawn mowers use boundary wires or GPS to map your garden. They navigate randomly or in systematic patterns, cutting grass with small sharp blades. When battery runs low, they automatically return to the charging station. Most models mulch clippings back into the lawn. Sensors detect obstacles and slopes. You set cutting height and schedule via controls or smartphone apps.

Husqvarna leads the market with premium models and excellent reliability. Worx offers great value with solid performance. Flymo provides budget-friendly models ideal for smaller gardens. Gardena produces well-engineered mowers with smart features. Bosch delivers German engineering quality. Each brand suits different budgets and garden requirements.

Robot mowers work on gardens from 50 square metres to over 5000 square metres. Small models handle up to 300m² and cost less. Medium models suit 400-800m² gardens. Large capacity models tackle 1000m² and beyond. Match mower capacity to your lawn size. Oversizing provides faster cutting and less frequent operation.

Most robot mowers manage slopes up to 20-25 degrees. Premium models handle up to 35 degrees or steeper. Check specifications before buying. Wheels with good grip help on wet grass. Some models struggle on very bumpy lawns. Level out major bumps for best results. Heavier models provide better traction on slopes.

Modern robot mowers include multiple safety features. Lift sensors stop blades immediately when picked up. Collision sensors detect obstacles. Blades sit beneath the chassis. Most models stop when approached. Schedule mowing when children and pets are indoors for extra safety. Small blades cause less risk than traditional mowers but supervision remains sensible.

Clean the underside weekly to remove grass buildup. Replace blades every 1-3 months depending on lawn size. Check wheels and sensors monthly. Battery replacement needed every 2-5 years. Winter storage extends lifespan. Most maintenance takes just minutes. Professional servicing recommended annually for premium models.