The robot lawn mower Al-ko Robolinho 500 E is suitable for an area of approximately 500 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 20 cm. The range for cutting height adjustment is from 25 mm to 55 mm. The robot mower Al-ko Robolinho 500 E can mow the area of the maximum slope of 24 degrees or 45 percent. The motor of Al-ko Robolinho 500 E is designed with brushes. The battery capacity is 2.25 Ah, which represents the overall energy of 45 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 50 minutes. The mower weight with the battery included is 8.75 kg. For technical information about Al-ko Robolinho 500 E features and other parameters, see Technical specifications or manufacturer’s website.