# GARDENA smart SILENO free 1200 m² — specifications

Source: RankedRobot (https://rankedrobot.com/robots/gardena-smart-sileno-free-1200/) · Category: Robotic lawn mowers · Maker: Gardena
Licence: CC BY 4.0 — cite as "RankedRobot, https://rankedrobot.com/robots/gardena-smart-sileno-free-1200/ (checked 2026-10-02)".

## Summary

GARDENA smart SILENO free 1200 m² is a robotic lawn mower made by Gardena. Its availability status has not been disclosed. Key published specifications: area 1,200 m² (12,917 ft² · 0.3 acres); slope 35% (19.3°); cut width 220 mm (8.7 in). The maker has not published a price. Last checked by RankedRobot on 2026-10-02.

Disclosure: 19 sourced values, 9 not disclosed by the maker (68% disclosed). "Not disclosed" means the maker has not published it; RankedRobot never guesses missing figures (an "Estimate" is only our calculation from official figures, with the method shown).

## Launch

- Announced: Not disclosed by the maker; conditions: not stated — checked: https://www.gardena.com/uk/products/lawn-care/robotic-lawnmowers/smart-sileno-free-1200-m-robotic-lawn-mower/970801410.html (checked 2026-10-02)
- Status: Not disclosed by the maker; conditions: not stated — checked: https://www.gardena.com/uk/products/lawn-care/robotic-lawnmowers/smart-sileno-free-1200-m-robotic-lawn-mower/970801410.html (checked 2026-10-02)
- Units deployed: Not disclosed by the maker; conditions: not stated — checked: https://www.gardena.com/uk/products/lawn-care/robotic-lawnmowers/smart-sileno-free-1200-m-robotic-lawn-mower/970801410.html (checked 2026-10-02)

## Body

- Dimensions: Length 630 mm × Width 430 mm × Height 260 mm — Manufacturer — source: https://www.gardena.com/uk/products/lawn-care/robotic-lawnmowers/smart-sileno-free-1200-m-robotic-lawn-mower/970801410.html (checked 2026-10-02)
- Weight: 13.8 kg (30 lb) — Manufacturer — source: https://www.gardena.com/uk/products/lawn-care/robotic-lawnmowers/smart-sileno-free-1200-m-robotic-lawn-mower/970801410.html (checked 2026-10-02)
- IP rating: IPX5 — Manufacturer — source: https://www.gardena.com/uk/products/lawn-care/robotic-lawnmowers/smart-sileno-free-1200-m-robotic-lawn-mower/970801410.html (checked 2026-10-02)

## Navigation & coverage

- Navigation: Not disclosed by the maker — checked: https://www.gardena.com/uk/products/lawn-care/robotic-lawnmowers/smart-sileno-free-1200-m-robotic-lawn-mower/970801410.html (checked 2026-10-02)
- Rated area: 1,200 m² (12,917 ft² · 0.3 acres) — Manufacturer — source: https://www.gardena.com/uk/products/lawn-care/robotic-lawnmowers/smart-sileno-free-1200-m-robotic-lawn-mower/970801410.html (checked 2026-10-02)
- How area is rated: Max lawn size — Manufacturer — source: https://www.gardena.com/uk/products/lawn-care/robotic-lawnmowers/smart-sileno-free-1200-m-robotic-lawn-mower/970801410.html (checked 2026-10-02)
- Max slope: 35% (19.3°) — Manufacturer — source: https://www.gardena.com/uk/products/lawn-care/robotic-lawnmowers/smart-sileno-free-1200-m-robotic-lawn-mower/970801410.html (checked 2026-10-02)
- Boundary slope: 35% (19.3°) — Manufacturer — source: https://www.gardena.com/uk/products/lawn-care/robotic-lawnmowers/smart-sileno-free-1200-m-robotic-lawn-mower/970801410.html (checked 2026-10-02)

## Cutting

- Cutting width: 220 mm (8.7 in) — Manufacturer — source: https://www.gardena.com/uk/products/lawn-care/robotic-lawnmowers/smart-sileno-free-1200-m-robotic-lawn-mower/970801410.html (checked 2026-10-02)
- Cutting height (min): 25 mm (1 in) — Manufacturer — source: https://www.gardena.com/uk/products/lawn-care/robotic-lawnmowers/smart-sileno-free-1200-m-robotic-lawn-mower/970801410.html (checked 2026-10-02)
- Cutting height (max): 45 mm (1.8 in) — Manufacturer — source: https://www.gardena.com/uk/products/lawn-care/robotic-lawnmowers/smart-sileno-free-1200-m-robotic-lawn-mower/970801410.html (checked 2026-10-02)
- Edge cutting: Trim-to-Edge — Manufacturer — source: https://www.gardena.com/uk/products/lawn-care/robotic-lawnmowers/smart-sileno-free-1200-m-robotic-lawn-mower/970801410.html (checked 2026-10-02)
- Drive: Not disclosed by the maker; conditions: not stated — checked: https://www.gardena.com/uk/products/lawn-care/robotic-lawnmowers/smart-sileno-free-1200-m-robotic-lawn-mower/970801410.html (checked 2026-10-02)

## Everyday use

- Runtime: 140 min — Manufacturer; conditions: mowing time per charge, typical — source: https://www.gardena.com/uk/products/lawn-care/robotic-lawnmowers/smart-sileno-free-1200-m-robotic-lawn-mower/970801410.html (checked 2026-10-02)
- Charge time: 100 min — Manufacturer — source: https://www.gardena.com/uk/products/lawn-care/robotic-lawnmowers/smart-sileno-free-1200-m-robotic-lawn-mower/970801410.html (checked 2026-10-02)
- Noise: 58 dB(A) — Manufacturer; conditions: not stated — source: https://www.gardena.com/uk/products/lawn-care/robotic-lawnmowers/smart-sileno-free-1200-m-robotic-lawn-mower/970801410.html (checked 2026-10-02)
- Anti-theft: Pin code — Manufacturer — source: https://www.gardena.com/uk/products/lawn-care/robotic-lawnmowers/smart-sileno-free-1200-m-robotic-lawn-mower/970801410.html (checked 2026-10-02)
- Connectivity: Wifi — Manufacturer — source: https://www.gardena.com/uk/products/lawn-care/robotic-lawnmowers/smart-sileno-free-1200-m-robotic-lawn-mower/970801410.html (checked 2026-10-02)

## Power

- Battery: Not disclosed by the maker; conditions: not stated — checked: https://www.gardena.com/uk/products/lawn-care/robotic-lawnmowers/smart-sileno-free-1200-m-robotic-lawn-mower/970801410.html (checked 2026-10-02)

## Safety

- Certifications: Not disclosed by the maker; conditions: not stated — checked: https://www.gardena.com/uk/products/lawn-care/robotic-lawnmowers/smart-sileno-free-1200-m-robotic-lawn-mower/970801410.html (checked 2026-10-02)

## Commercial

- Regions sold: Not disclosed by the maker; conditions: not stated — checked: https://www.gardena.com/uk/products/lawn-care/robotic-lawnmowers/smart-sileno-free-1200-m-robotic-lawn-mower/970801410.html (checked 2026-10-02)

## Confidence labels

Manufacturer = stated by the maker · Verified = independently confirmed · Estimate = our calculation from official figures · Reported = credible media/retailer, not confirmed by the maker · Unconfirmed = leak, rumour or single source · Not disclosed = not published.