# Roborock Saros 20 Sonic — specifications

Source: RankedRobot (https://rankedrobot.com/robots/roborock-saros-20-sonic/) · Category: Robot vacuums & mops · Maker: Roborock
Licence: CC BY 4.0 — cite as "RankedRobot, https://rankedrobot.com/robots/roborock-saros-20-sonic/ (checked 2026-09-29)".

## Summary

Roborock Saros 20 Sonic is a robot vacuum made by Roborock. Status: Shipping. Key published specifications: suction 36,000 Pa; height 79.8 mm (3.1 in); runtime 3 h. Price: US$1,699.99, US (official price); US$1,499.99, US (official store sale price). RankedRobot rank: #6 of 40 robot vacuums & mops (score 60.4/100, evidence grade B). Last checked by RankedRobot on 2026-09-29.

Disclosure: 22 sourced values, 12 not disclosed by the maker (65% disclosed). "Not disclosed" means the maker has not published it; RankedRobot never estimates missing figures.

## Prices

- US$1,699.99, US — official price — source: https://us.roborock.com/products/roborock-saros-20-sonic (checked 2026-09-29)
- US$1,499.99, US — official store sale price — source: https://us.roborock.com/products/roborock-saros-20-sonic (checked 2026-09-29)

## Launch

- Announced: Not disclosed by the maker — checked: https://us.roborock.com/products/roborock-saros-20-sonic (checked 2026-09-29)
- Status: Shipping — Manufacturer — source: https://us.roborock.com/products/roborock-saros-20-sonic (checked 2026-09-29)

## Body

- Dimensions: Length 350 mm × Width 353 mm × Height 80 mm — Manufacturer — source: https://us.roborock.com/products/roborock-saros-20-sonic (checked 2026-09-29)
- Weight: Not disclosed by the maker — checked: https://us.roborock.com/products/roborock-saros-20-sonic (checked 2026-09-29)
- IP rating: Not disclosed by the maker — checked: https://us.roborock.com/products/roborock-saros-20-sonic (checked 2026-09-29)

## Cleaning

- Suction (as stated): 36,000 Pa — Manufacturer; conditions: not stated by manufacturer — source: https://us.roborock.com/products/roborock-saros-20-sonic (checked 2026-09-29)
- Navigation: LiDAR — Manufacturer — source: https://us.roborock.com/products/roborock-saros-20-sonic (checked 2026-09-29)
- Obstacle avoidance: Structured light · Camera ai — Manufacturer — source: https://us.roborock.com/products/roborock-saros-20-sonic (checked 2026-09-29)
- Mopping system: Vibrating pads — Manufacturer — source: https://us.roborock.com/products/roborock-saros-20-sonic (checked 2026-09-29)
- Carpet detection: Yes — Manufacturer — source: https://us.roborock.com/products/roborock-saros-20-sonic (checked 2026-09-29)
- Robot height: 79.8 mm (3.1 in) — Manufacturer — source: https://us.roborock.com/products/roborock-saros-20-sonic (checked 2026-09-29)
- Threshold climb: 45 mm (1.8 in) — Manufacturer — source: https://us.roborock.com/products/roborock-saros-20-sonic (checked 2026-09-29)

## Dock

- Dock features: Mop washing · Hot-water mop wash · Hot-air drying · Detergent dispensing · Self clean — Manufacturer — source: https://us.roborock.com/products/roborock-saros-20-sonic (checked 2026-09-29)
- Mop-wash temperature: 100 °C (212 °F) — Manufacturer — source: https://us.roborock.com/products/roborock-saros-20-sonic (checked 2026-09-29)
- Drying temperature: 55 °C (131 °F) — Manufacturer — source: https://us.roborock.com/products/roborock-saros-20-sonic (checked 2026-09-29)
- Dock bag: Not disclosed by the maker — checked: https://us.roborock.com/products/roborock-saros-20-sonic (checked 2026-09-29)
- Clean-water tank: Not disclosed by the maker — checked: https://us.roborock.com/products/roborock-saros-20-sonic (checked 2026-09-29)
- Dirty-water tank: Not disclosed by the maker — checked: https://us.roborock.com/products/roborock-saros-20-sonic (checked 2026-09-29)
- Robot dustbin: Not disclosed by the maker — checked: https://us.roborock.com/products/roborock-saros-20-sonic (checked 2026-09-29)

## Everyday use

- Runtime: 3 h — Manufacturer; conditions: Vac & Mop mode, Balanced suction — source: https://us.roborock.com/products/roborock-saros-20-sonic (checked 2026-09-29)
- Noise: Not disclosed by the maker; conditions: not stated by manufacturer — checked: https://us.roborock.com/products/roborock-saros-20-sonic (checked 2026-09-29)
- Smart home: Not disclosed by the maker — checked: https://us.roborock.com/products/roborock-saros-20-sonic (checked 2026-09-29)
- Warranty: 12 months — Manufacturer — source: https://us.roborock.com/products/roborock-saros-20-sonic (checked 2026-09-29)

## Power

- Battery: Not disclosed by the maker — checked: https://us.roborock.com/products/roborock-saros-20-sonic (checked 2026-09-29)
- Runtime: 3 h — Manufacturer; conditions: Vac & Mop mode, Balanced suction — source: https://us.roborock.com/products/roborock-saros-20-sonic (checked 2026-09-29)
- Charge time: 2.5 h — Manufacturer; conditions: 15% to 100% — source: https://us.roborock.com/products/roborock-saros-20-sonic (checked 2026-09-29)
- Hot-swappable battery: Not disclosed by the maker — checked: https://us.roborock.com/products/roborock-saros-20-sonic (checked 2026-09-29)

## Commercial

- Regions sold: US — Manufacturer — source: https://us.roborock.com/products/roborock-saros-20-sonic (checked 2026-09-29)

## 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.