3i
3i S10 Ultra
The world's first water-recycling robot vacuum: its dock distills dirty mop water and even pulls moisture from the air, so you never refill a clean tank or drain a dirty one.
Specifications
Features
Pros
- ✓WaterRecycle dock distills wastewater and dehumidifies room air, eliminating tank refills entirely
- ✓Perfect score in the 7-inch pet-hair tangle test
- ✓Raw suction ranked among the highest of all robots in independent evaluations
- ✓Excellent battery efficiency - covered 1,784 sq ft on a single charge in testing
- ✓330rpm roller mop extends at walls and presses down with constant 7N force for real scrubbing
Cons
- ✗Struggled with dried-on stains, scoring 57 versus a 100-point test average
- ✗Deep carpet cleaning underperforms what the suction spec suggests
- ✗Massive dock ships at over 80 pounds and dominates its corner
- ✗Dehumidifier compressor adds a fridge-like hum between cleaning runs
- ✗Mop roller is washed without hot water, unlike similarly priced rivals
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