The robot lawn mower Gardena SILENO city 250 is suitable for an area of approximately 250 m2 according to the manufacturer’s recommendations. The area size takes into account the mower’s design parameters. The mowing method and the mowing movement is random. Robot mower returns to the charging station along the guide wire. The cutting width is 16 cm. The range for cutting height adjustment is from 20 mm to 50 mm. The robot mower Gardena SILENO city 250 can mow the area of the maximum slope of 14 degrees or 25 percent. The motor of Gardena SILENO city 250 is designed with brushes. The battery capacity is 2.1 Ah, which represents the overall energy of 42 Wh by the system voltage 20 V. The charging time is approximately 60 minutes. The robot mower with the full charged battery can mow for 65 minutes. The mower weight with the battery included is 7.3 kg. For technical information about Gardena SILENO city 250 features and other parameters, see Technical specifications or manufacturer’s website.