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Gardena Smart Sileno Pro 600m² specifications and in-depth review

Gardena Smart Sileno Pro 600m²

Manufacturer: Gardena

The Gardena Smart Sileno Pro 600m² is a robotic lawn mower designed for residential use, covering lawns up to its recommended area of 600 m². It connects to a dedicated smartphone app via Bluetooth, allowing remote control and scheduling without requiring a Wi-Fi connection. The mower handles various weather conditions, including rain, and features automatic docking when a charging cycle is needed.

On the technical side, the mower operates at 57 dB, dropping to 50 dB in eco mode, and handles slopes up to 30%. It offers three cutting height settings ranging from 25 mm to 45 mm, with a 16 cm cutting width and a working area capacity of 40 m²/h. The removable 18.5V battery charges in roughly 1.17 hours, and the unit weighs 8,600 g with overall dimensions of 410 mm wide, 600 mm deep, and 260 mm tall.

Pros
  • The removable battery charges in just over an hour, minimizing downtime between mowing sessions
  • Equipped with obstacle, rain, and frost sensors that allow the mower to adapt its operation based on real-time conditions
  • Capable of handling slopes up to 30%, making it suitable for lawns with uneven terrain
  • Includes a mulching feature, returning grass clippings directly to the lawn
  • Smartphone app with Bluetooth remote control allows scheduling and monitoring without needing a Wi-Fi connection
  • Can operate during rain, adding flexibility to mowing schedules
Cons
  • No anti-theft features, which may be a concern for mowers left outdoors unattended
  • Lacks compatibility with Alexa or Google Assistant, limiting smart home integration options
  • Only three cutting height settings, offering limited granularity between 25 mm and 45 mm
  • No built-in display, meaning all interaction relies entirely on the smartphone app
  • Does not support Wi-Fi, restricting remote access to Bluetooth range only
Who is this for?

This mower is well suited to homeowners with lawns up to 600 m² that include slopes of up to 30%, where terrain adaptability is a practical requirement. Its rain, frost, and obstacle sensors make it a reliable choice for those who want a largely autonomous setup that handles varying weather without manual intervention. Users who prefer app-based scheduling and remote control via Bluetooth, and who do not need integration with a wider smart home ecosystem, will find the connectivity approach a good fit for straightforward day-to-day management.

Who is this NOT for?

Those with larger lawns exceeding 720 m² will find the coverage capacity insufficient for their needs. Users who rely on voice assistants such as Alexa or Google Assistant for home automation will encounter limitations, as neither platform is supported. The absence of Wi-Fi also means remote access is restricted to Bluetooth range, making this a poor match for anyone expecting full remote monitoring from outside the immediate vicinity of their property. Additionally, the limited three-step cutting height range may not satisfy users who require finer granularity in grass height control.

General info:

audible noise 57 dB
Has a dedicated smartphone app ✓
supports Wi-Fi ✕
audible noise (eco) 50 dB
Has Bluetooth ✓
cutting width 16 cm
Is electric ✓
height 260 mm
recommended area 600 m²
supports a remote smartphone ✓
lawn area coverage 720 m²
thickness 600 mm
volume 63960 cm³
weight 8600 g
width 410 mm

The Gardena Smart Sileno Pro 600m² is an electric robotic lawn mower with a recommended coverage area of 600 m² and a maximum lawn area capacity of 720 m². It features a cutting width of 16 cm and comes with a dedicated smartphone app that supports remote control via Bluetooth, though it does not include Wi-Fi connectivity. The unit weighs 8,600 g and measures 410 mm wide, 600 mm in depth, and 260 mm tall, giving it a total volume of 63,960 cm³.

Features:

has an obstacle sensor ✓
Has a rain sensor ✓
can be scheduled ✓
has anti-theft features ✕
auto docking ✓
works with Alexa ✕
compatible with Google Assistant ✕
Has a display ✕
has a frost sensor ✓
Has mulching feature ✓
adapts to weather conditions ✓
works in rain ✓

This robotic mower includes an obstacle sensor, a rain sensor, and a frost sensor, allowing it to adapt to changing weather conditions and operate in rain when needed. It supports scheduled mowing and returns to its base automatically via auto docking, while also offering a mulching feature for grass clippings. The mower does not have a display, anti-theft features, or compatibility with Alexa or Google Assistant.

Performance:

slope performance 30%
mowing time 50 m
number of cutting height settings 3
maximum cutting height 45 mm
minimum cutting height 25 mm
working area capacity 40 m²/h

The mower handles slopes of up to 30% and covers a working area capacity of 40 m²/h, with a mowing time of 50 m per session. Cutting height is adjustable across three settings, ranging from a minimum of 25 mm to a maximum of 45 mm, giving users a degree of flexibility depending on their lawn's condition.

Power:

charge time 1.17 hours
has a removable battery ✓
voltage 18.5V
wattage 43.37W

The mower runs on an 18.5V system with a power draw of 43.37W, and its removable battery can be fully recharged in approximately 1.17 hours, making it relatively quick to get back to operation between mowing sessions.

Final Verdict

The Gardena Smart Sileno Pro 600m² is a capable robotic lawn mower that covers its intended ground well, offering autonomous operation backed by a practical sensor suite that handles rain, frost, and obstacles without user input. Its weather-adaptive, schedule-driven mowing combined with a fast-charging removable battery makes it a genuinely low-maintenance option for medium-sized lawns with moderate slopes. That said, its Bluetooth-only connectivity and the absence of smart home platform support place a ceiling on how far it can integrate into a broader connected home setup. For homeowners with lawns within its recommended coverage range who prioritize reliable autonomous performance over advanced connectivity, the Sileno Pro 600m² represents a well-rounded and dependable choice.

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