The Gardena Smart Sileno Free 1200m² is an electric robotic lawn mower with a recommended coverage area of 1200 m² and a maximum lawn area capacity of 1440 m². It features built-in Bluetooth and a dedicated smartphone app that allows remote control directly from a mobile device, though it does not support Wi-Fi. The cutting width measures 22 cm, and the unit operates at an audible noise level of 58 dB, dropping to 50 dB in eco mode. Physically, it measures 430 mm in width, 630 mm in thickness, and 260 mm in height, with a total weight of 13,820 g and a volume of 70,434 cm³.
The mower includes a range of sensors to manage operation automatically, with rain, frost, and obstacle sensors enabling it to respond to changing conditions and navigate the lawn safely. It adapts to weather conditions and is capable of working in rain, while the auto-docking function ensures it returns to its charging station without manual input. Scheduling is supported, allowing mowing sessions to be planned in advance. The unit also features a mulching capability for returning cut grass to the lawn. It does not include anti-theft features or a display, and it is not compatible with Alexa or Google Assistant.
The mower delivers a working area capacity of 85 m²/h and handles slopes of up to 30%, making it suitable for gardens with moderate inclines. Cutting height is adjustable across three settings, ranging from a minimum of 25 mm to a maximum of 45 mm, allowing for some flexibility in grass length preference. The mowing time is listed at 140 m, and the unit maintains a steady and methodical approach to covering the lawn area within these operational parameters.
The mower runs on an 18.5V system with a power consumption of 43.37W and features a removable battery, which can be taken out for separate charging or replacement. A full charge is reached in approximately 1.67 hours, keeping downtime between mowing sessions relatively brief.