Yeedi S20 Infinity
A strong-cleaning bagless roller-mop robot from ECOVACS’ sister brand; good results in testing, but yeedi publishes few specs and sells it only on Amazon.
Amazon $799.99$799.99
The Yeedi S20 Infinity is the better robot vacuum overall, rated 4.3 to 3.9. The Yeedi S20 Infinity leads on mopping.
Yeedi S20 Infinity Ultra
ECOVACS’ FocusJet stain pre-spray and covered roller at a lower price under the yeedi name, for hard-floor homes with rugs who can live with few published specs.
Amazon $799.99$799.99
Prices were last checked October 26, 2026 and are subject to change; the price and availability shown by the retailer at the time of purchase apply.
Which should you buy?
- Choose the Yeedi S20 Infinity for mopping (Roller, extends to edges vs Roller).
Scores side by side
Each factor is scored 0-100 against the same fixed reference points for every self-cleaning dock robot vacuum; a clear win is highlighted. How we rank explains each one.
| Factor weight | Yeedi S20 Infinity | Yeedi S20 Infinity Ultra |
|---|---|---|
| Overall rating | 4.3/5 | 3.9/5 |
| Cleaning 30% | 86 measured 89% of sand from carpet, 100% of pet hair, no hair tangled | 75 not yet tested; estimated from 2 tested Yeedi robots and the median of the 70 tested robots |
| Value 25% | 50 $800 | 50 $800 |
| Dock 20% | 100 Self-empties the bin, washes the mop, hot-water mop wash, hot-air mop drying, doses detergent | 100 Self-empties the bin, washes the mop, hot-water mop wash, hot-air mop drying |
| Navigation 15% | 85 LiDAR + 3D light | 50 navigation not published (neutral score used) |
| Mopping 10% | 85 Roller, extends to edges | 70 Roller |
Independent tests
Yeedi S20 Infinity
| Tested by | Carpet deep clean | Pet hair | Hair tangle (0 = none) | Area per charge | Conditions |
|---|---|---|---|---|---|
| Vacuum Wars | 89% | 100% | 0 | 1,335 sq ft | Embedded sand in medium-pile carpet; flattened 2.5 in pet hair on carpet, two runs; 7 in hair tangle on hard floor (0 = none wrapped). |
Yeedi S20 Infinity Ultra
No independent test published yet.
Specifications
| Yeedi S20 Infinity | Yeedi S20 Infinity Ultra | |
|---|---|---|
| Vacuum | ||
| Claimed suction | 19,500 Pa | 22,000 Pa |
| Main brush | - | anti-tangle main brush (ZeroTangle 4.0) |
| Mopping | ||
| Mop | Roller, extends to edges | Roller |
| Leaves mop at dock | No | No |
| Extending mop | Yes | - |
| Dock | ||
| Dock | Washes mop + empties | Washes mop + empties |
| Self-empties | Yes | Yes |
| Washes mop | Yes | Yes |
| Hot-water wash | Yes | Yes |
| Hot-air drying | Yes | Yes |
| Detergent dosing | Yes | - |
| Navigation & app | ||
| Navigation | LiDAR + 3D light | - |
| Obstacle avoidance | AIVI 3D 3.0 Omni-Approach | RGBD (RGB camera plus depth) AI obstacle avoidance with stain and large-particle recognition |
| Climbs thresholds | 24 mm | - |
| Voice assistants | Alexa, Google Assistant | - |
| Build | ||
| Warranty | 1 year | 1 year |
| Released | 2025-09 | 2026-05 |