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Gardena Sileno City 250 Robotic Lawn Mower 2.1Ah / 18V
Robotic Lawn Mowers

Gardena Sileno City 250 Robotic Lawn Mower 2.1Ah / 18V

Intelligent LONA Technology

LONA is an AI-based technology that learns, maps, and adapts to your garden. Thanks to the zone management feature available in the GARDENA smart system app, you can...

Intelligent LONA Technology

LONA is an AI-based technology that learns, maps, and adapts to your garden. Thanks to the zone management feature available in the GARDENA smart system app, you can specify the areas to be mowed, when, how often, and with what intensity.

The Area Protect feature allows you to designate no-mow zones. The mower's position can be...

See full description See full description

  • Maximum Coverage Area

    250

    Ideal for very small gardens, apartment courtyards, or narrow spaces with few cutting surfaces. Suitable for those who want simple maintenance without complex requirements.

  • Connectivity

    Bluetooth

    Bluetooth allows wireless connection of the robotic lawn mower with a mobile device for control, settings, and updates, at a short range, without Wi-Fi.

  • Operating Autonomy

    Indicates the maximum cutting duration (in minutes) with a full charge. Autonomy can be affected by the terrain, the density, and the height of the grass. It decreases in more demanding areas.

    65

  • Rain Sensor

    When the sensor detects rain, the machine stops and restarts when the grass is dry.

    1

  • Maximum Slope

    The maximum ground incline indicates the steepest slope (in %) that the robot can handle without any issues. Essential if your garden has uphill or downhill areas. The higher the percentage, the more capable it is on sloped terrains.

    35
  • See all
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Product report

Description

Description

Intelligent LONA Technology

LONA is an AI-based technology that learns, maps, and adapts to your garden. Thanks to the zone management feature available in the GARDENA smart system app, you can specify the areas to be mowed, when, how often, and with what intensity.

The Area Protect feature allows you to designate no-mow zones. The mower's position can be tracked in real-time. LONA technology will continuously develop with new features through updates to the GARDENA smart app.

On the Quiet Side of Power

Relax in your garden while the smart SILENO robot works quietly with the lowest noise level in its class (57 db A). This technology handles narrow spaces and tight corners with great precision.

Automatic Operation Regardless of Weather and Terrain

The Smart SILENO city is a persistent gardener, capable of working regardless of weather conditions. It can cut lawns of various shapes and handle terrains with slopes up to 35%.

GARDENA Smart App

Installation and operation of the mower are easy with the EasyConfig, Auto Schedule, and Smart Home features.

Ideal for Small Lawns

The GARDENA SILENO robot cuts small and complex lawns automatically and evenly, without leaving marks. The charging station can be placed almost anywhere.

Smart Frost Sensor

Detects when the temperature approaches zero and stops mowing, protecting the lawn.

Easy to Clean

The design allows for easy cleaning with a stream of water from a garden hose.

  • Cutting width: 16 cm
  • Battery capacity: 2.1 Ah
  • Rain sensor: No
  • Grass height sensor: Yes
  • Maximum lawn size: 250 m²
  • Noise level: 57 dB
  • Maximum terrain slope: 35%
  • Maximum operating time: 65 minutes
  • Weight: 7.3 kg
  • Cutting height adjustment: 20 - 50 mm
  • Smart Assistant: Yes
  • Spiral cutting: Yes
  • Multi-zone mowing: Yes
  • WiFi: Yes
  • Bluetooth: Yes
  • Model: Sileno city 250 (19601-72)

Manufacturer

Manufacturer Details

Warnings & Safety Information
See full description

Specifications

Specifications

Specifications

Brushless
No
Maximum Coverage Area
250 m²

Maximum Coverage Area: 250


Ideal for very small gardens, apartment courtyards, or narrow spaces with few cutting surfaces. Suitable for those who want simple maintenance without complex requirements.
Protection Certification
IPX5

Protection Certification

IPX5

Protection against low-pressure water jets from any direction.
Can be washed with a hose.
Rain Sensor
Yes

Rain Sensor

When the sensor detects rain, the machine stops and restarts when the grass is dry.
Obstacle Sensor
Yes

Obstacle Sensor

The sensors automatically detect objects or obstacles in the area, changing course without collision
Embedded GPS
No

Embedded GPS

Used for position tracking, smart route planning, or covering specific areas.
Boundary Wire Length
150 m

Boundary Wire Length

The boundary wire length determines the maximum perimeter length that the machine can cover. It is placed around the garden to define the allowable cutting area.
Noise Level
57 dB

Noise Level

The noise level indicates how loud the robotic lawn mower sounds during its operation. It is measured in dB(A) and affects comfort in the garden and neighborhood, especially in densely populated areas. The lower the rating, the quieter the operation.
Anti-theft Protection
Yes

Anti-theft Protection

Anti-theft protection in robotic lawn mowers safeguards against theft and unauthorized use. It may include features such as security PIN, audible alarm, GPS tracking, and app notifications. Ideal for open or unprotected areas, it offers extra security and peace of mind in use.
Weight
11.8 kg

Battery Specifications

Volt
18 V

Volt

The voltage (Volt) indicates the battery power. It is linked to the motor performance and operating duration. Higher Volts offer greater power and capability in difficult areas or larger expanses.
Number of Batteries
1
Battery Capacity
2.1 Ah

Battery Capacity

The battery capacity. The higher the number, the longer the tool's operating time. An average continuous working time is 20-25 minutes per Ah, but it always depends on the type of work we are doing.
Operating Autonomy
65 min

Operating Autonomy: 65

Indicates the maximum cutting duration (in minutes) with a full charge. Autonomy can be affected by the terrain, the density, and the height of the grass. It decreases in more demanding areas.
Charging Duration
60 min

Charging Duration

The time it takes for the robotic lawn mower to fully charge its battery. The shorter it is, the sooner it returns to operation. Important for large or busy areas.

Cutting Features

Cutting Width
16 cm

Cutting Width

The cutting width indicates the width of the grass that is cut in each pass. The larger it is, the faster the area coverage, especially in large gardens.
Minimum Height Setting
20 mm

Minimum Height Setting

The lowest height at which the lawn can be mowed. Ideal for those who prefer shorter and well-maintained grass.
Maximum Cutting Height
50 mm

Maximum Cutting Height

The maximum cutting height that can be set. Useful for situations where you want to leave the grass taller, during hot seasons or for ground protection.
Maximum Ground Incline
35 %

Maximum Ground Incline: 35

The maximum ground incline indicates the steepest slope (in %) that the robot can handle without any issues. Essential if your garden has uphill or downhill areas. The higher the percentage, the more capable it is on sloped terrains.

Type of Boundary

GPS Boundary Setting
No

GPS Boundary Setting

They use GPS (or GPS RTK- Real Time Kinematic) to define the operating boundaries.
Cable (Perimeter Wire)
Yes

Cable (Perimeter Wire)

They use perimeter wire to define the cutting boundaries in the garden.
Sensor
No

Sensor

They feature built-in sensors (e.g. with ultrasound, cameras) for detecting the boundaries of the area.
LiDAR
No

LiDAR

LiDAR (Light Detection and Ranging) is an advanced sensor technology that uses lasers to "scan" the environment around the robotic machine. It creates an accurate map of obstacles, the path, and the surface, allowing for excellent navigation without the need for a boundary wire. Ideal for complex, open, or changing spaces.

Smart Features

Mobile App
Yes

Mobile App

Existence of a mobile application that allows control and monitoring of the lawn mower. 
Connectivity
Bluetooth

Connectivity

Bluetooth

Bluetooth allows wireless connection of the robotic lawn mower with a mobile device for control, settings, and updates, at a short range, without Wi-Fi.
Smart Ecosystem
Alexa

Smart Ecosystem

Alexa
Compatibility with smart devices that work through the Alexa app.

Important information

Specifications are collected from official manufacturer websites. Please verify the specifications before proceeding with your final purchase. If you notice any problem you can report it here.

See all specifications

Description & Specifications

Intelligent LONA Technology

LONA is an AI-based technology that learns, maps, and adapts to your garden. Thanks to the zone management feature available in the GARDENA smart system app, you can specify the areas to be mowed, when, how often, and with what intensity.

The Area Protect feature allows you to designate no-mow zones. The mower's position can be tracked in real-time. LONA technology will continuously develop with new features through updates to the GARDENA smart app.

On the Quiet Side of Power

Relax in your garden while the smart SILENO robot works quietly with the lowest noise level in its class (57 db A). This technology handles narrow spaces and tight corners with great precision.

Automatic Operation Regardless of Weather and Terrain

The Smart SILENO city is a persistent gardener, capable of working regardless of weather conditions. It can cut lawns of various shapes and handle terrains with slopes up to 35%.

GARDENA Smart App

Installation and operation of the mower are easy with the EasyConfig, Auto Schedule, and Smart Home features.

Ideal for Small Lawns

The GARDENA SILENO robot cuts small and complex lawns automatically and evenly, without leaving marks. The charging station can be placed almost anywhere.

Smart Frost Sensor

Detects when the temperature approaches zero and stops mowing, protecting the lawn.

Easy to Clean

The design allows for easy cleaning with a stream of water from a garden hose.

  • Cutting width: 16 cm
  • Battery capacity: 2.1 Ah
  • Rain sensor: No
  • Grass height sensor: Yes
  • Maximum lawn size: 250 m²
  • Noise level: 57 dB
  • Maximum terrain slope: 35%
  • Maximum operating time: 65 minutes
  • Weight: 7.3 kg
  • Cutting height adjustment: 20 - 50 mm
  • Smart Assistant: Yes
  • Spiral cutting: Yes
  • Multi-zone mowing: Yes
  • WiFi: Yes
  • Bluetooth: Yes
  • Model: Sileno city 250 (19601-72)

Manufacturer

Manufacturer Details

Warnings & Safety Information

Specifications

Brushless
No
Maximum Coverage Area
250 m²

Maximum Coverage Area: 250


Ideal for very small gardens, apartment courtyards, or narrow spaces with few cutting surfaces. Suitable for those who want simple maintenance without complex requirements.
Protection Certification
IPX5

Protection Certification

IPX5

Protection against low-pressure water jets from any direction.
Can be washed with a hose.
Rain Sensor
Yes

Rain Sensor

When the sensor detects rain, the machine stops and restarts when the grass is dry.
Obstacle Sensor
Yes

Obstacle Sensor

The sensors automatically detect objects or obstacles in the area, changing course without collision
Embedded GPS
No

Embedded GPS

Used for position tracking, smart route planning, or covering specific areas.
Boundary Wire Length
150 m

Boundary Wire Length

The boundary wire length determines the maximum perimeter length that the machine can cover. It is placed around the garden to define the allowable cutting area.
Noise Level
57 dB

Noise Level

The noise level indicates how loud the robotic lawn mower sounds during its operation. It is measured in dB(A) and affects comfort in the garden and neighborhood, especially in densely populated areas. The lower the rating, the quieter the operation.
Anti-theft Protection
Yes

Anti-theft Protection

Anti-theft protection in robotic lawn mowers safeguards against theft and unauthorized use. It may include features such as security PIN, audible alarm, GPS tracking, and app notifications. Ideal for open or unprotected areas, it offers extra security and peace of mind in use.
Weight
11.8 kg

Battery Specifications

Volt
18 V

Volt

The voltage (Volt) indicates the battery power. It is linked to the motor performance and operating duration. Higher Volts offer greater power and capability in difficult areas or larger expanses.
Number of Batteries
1
Battery Capacity
2.1 Ah

Battery Capacity

The battery capacity. The higher the number, the longer the tool's operating time. An average continuous working time is 20-25 minutes per Ah, but it always depends on the type of work we are doing.
Operating Autonomy
65 min

Operating Autonomy: 65

Indicates the maximum cutting duration (in minutes) with a full charge. Autonomy can be affected by the terrain, the density, and the height of the grass. It decreases in more demanding areas.
Charging Duration
60 min

Charging Duration

The time it takes for the robotic lawn mower to fully charge its battery. The shorter it is, the sooner it returns to operation. Important for large or busy areas.

Cutting Features

Cutting Width
16 cm

Cutting Width

The cutting width indicates the width of the grass that is cut in each pass. The larger it is, the faster the area coverage, especially in large gardens.
Minimum Height Setting
20 mm

Minimum Height Setting

The lowest height at which the lawn can be mowed. Ideal for those who prefer shorter and well-maintained grass.
Maximum Cutting Height
50 mm

Maximum Cutting Height

The maximum cutting height that can be set. Useful for situations where you want to leave the grass taller, during hot seasons or for ground protection.
Maximum Ground Incline
35 %

Maximum Ground Incline: 35

The maximum ground incline indicates the steepest slope (in %) that the robot can handle without any issues. Essential if your garden has uphill or downhill areas. The higher the percentage, the more capable it is on sloped terrains.

Type of Boundary

GPS Boundary Setting
No

GPS Boundary Setting

They use GPS (or GPS RTK- Real Time Kinematic) to define the operating boundaries.
Cable (Perimeter Wire)
Yes

Cable (Perimeter Wire)

They use perimeter wire to define the cutting boundaries in the garden.
Sensor
No

Sensor

They feature built-in sensors (e.g. with ultrasound, cameras) for detecting the boundaries of the area.
LiDAR
No

LiDAR

LiDAR (Light Detection and Ranging) is an advanced sensor technology that uses lasers to "scan" the environment around the robotic machine. It creates an accurate map of obstacles, the path, and the surface, allowing for excellent navigation without the need for a boundary wire. Ideal for complex, open, or changing spaces.

Smart Features

Mobile App
Yes

Mobile App

Existence of a mobile application that allows control and monitoring of the lawn mower. 
Connectivity
Bluetooth

Connectivity

Bluetooth

Bluetooth allows wireless connection of the robotic lawn mower with a mobile device for control, settings, and updates, at a short range, without Wi-Fi.
Smart Ecosystem
Alexa

Smart Ecosystem

Alexa
Compatibility with smart devices that work through the Alexa app.

Important information

Specifications are collected from official manufacturer websites. Please verify the specifications before proceeding with your final purchase. If you notice any problem you can report it here.