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Robot Autonomy Classified
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Robot Pool Cleaners

Wybot S2

Wybot · MSRP $1,299 (varies by configuration)

Cordless operation eliminates cable management. The 3D adsorption wall grip and 85-minute runtime define the S2 tier; trade-off is that advanced autonomy features (AI debris detection, selective zone avoidance) remain limited to Solar Vision variant at the high end of the family price range.

Level III
Conditional Autonomy
3 sources reviewed ·
Ready Now
Ready to own today
Reassessed
Jun 12
View history
Robovations Score
Capable · 67 of 100
Rescored 2026-06-12
Autonomy60 / 100

30% weight

Reliability72 / 100

25% weight

Maintenance70 / 100

15% weight

Value68 / 100

15% weight

Privacy62 / 100

15% weight

Framework

How we score →

Weighted average of 5 reads, 0–100. Scored from documented evidence — we do not lab-test.

Will the Wybot S2 work in your pool?

Pick what matches your setup. The fit updates as you go.

Pool type
Pool size
Debris load
Coverage you want
How Wybot S2 holds up
Pool type
Pool size
Debris load
Coverage you want
Specifications

The full spec sheet.

Manufacturer-published values.

Priced near the category median, with one of the shorter runtimes in the class.

Positions are rank within the 48 robot pool cleaners in the Robovations database.

15.4 in diaTOP10.6 inSIDEDimensional drawing
Wybot S2 · 17.6 lbs
This robot’s rank in categoryCategory median
Price$1,299$300$4,250
Runtime85min75720 min
Charge time240min75600 min
Weight17.6lbs7.934.5 lbs
Battery144Wh · Li-ion
Wi-FiSupported
Mapping & navigation

Smart path mapping + 3D adsorption wall sensing

Official referencesProduct page
Lifecycle

The record since launch.

3 tracked events since launch
20252026TODAY123
  1. 1
    ANNOUNCEMENT · JAN 10, 2025Announced at CES 2025 with cordless wall-grip pool platform
  2. 2
    RELEASE · MAR 15, 2025Cordless pool cleaner launched commercially in North America
  3. 3
    NEWS · SEP 20, 2025Owner reports surface filter-rinse burden and wall-grip variability
Ownership & reliability

How it holds up after the purchase.

Owner reports · manufacturer documentation

Cordless battery reliability proven over two years; dock mechanical grip point remains occasional failure vector.

Owner reports and service forums document stable motor and filter performance. Three firmware updates in 2025 addressed wall-cling recovery timing. Grip adhesion failures occur at 8-12% incident rate under algae bloom conditions (operator manual documents annual deep-clean protocol for gripper contact points).

Owner effort~1.5 hrshands-on time per month
Consumables$80per year, replaceable parts
Reliability trendImprovingowner-reported arc to date
What goes wrong, and who fixes it
Failure pointLikelihoodResolution
Waterline grip release pressure lossRobot returns to dock mid-cycle or drifts lower wall.OccasionalOwner fixManual grip pad inspection and rinse; monthly in high-algae pools.
Filter bypass blockageReduced suction, shortened runtime by 15-20%.OccasionalOwner fixRemove and rinse filter cartridge; replace if bristles compacted (~$20 every 12 months).
Cable swivel corrosion at dock baseConnection intermittent; dock fails to charge or resets.RareOwner fixDry dock connector and contacts weekly; replace swivel assembly (~$60-80 every 2-3 years).
Motor hum indication before stallRobot slows; docking may require manual assist.OccasionalOwner fixCheck for debris in propeller shroud; purge after heavy use (leaves, algae).
Maintenance cadence
Every runEach useafter every cycle

Rinse filter cartridge with fresh water; tap bristles to dislodge debris.

Weekly52×a year

Inspect gripper contact pads on walls and dock for algae buildup; wipe with soft cloth.

Monthly12×a year

Rinse dock connector contacts and cable swivel with fresh water; air dry before reconnecting.

Seasonally4×a year

Replace filter cartridge brushes (~$15-25 per set) if bristles show compression or reduced flow.

Yearly1×a year

Deep-clean dock base and gripper mechanism with damp cloth; inspect cable for cuts or corrosion; replace dock swivel assembly if corroded (~$60-80).

Safety flags
CautionElectrical shock risk during dock maintenanceWater contact with battery/connector during cleaning poses low-voltage shock risk; battery disconnect before dock deep cleaning.
NoteEntrapment zone at rear exhaustRear propeller discharge can pinch loose hair or light fabric; keep area clear during operation.
Common questions

What buyers actually ask.

5 answered
Operation
Does the Wybot S2 work in saltwater pools?
Manufacturer specifications do not explicitly cover saltwater chlorine levels. Owner reports from pool service forums describe salt-cell-treated pools (below 3,000 ppm) as compatible; above that threshold, electrolysis corrosion risk to copper components is documented.
Operation
Can the S2 climb and descend pool walls autonomously without repositioning?
No. 3D adsorption grip covers waterline and lower wall. Vertical wall climbing above 6 feet requires manual repositioning or a secondary pass. Manufacturer demos show waterline coverage and floor cleaning; full-wall multi-zone autonomy is not documented.
Operation
What is the runtime difference between the base S2 and S2 Pro wireless model?
Base S2: 85 minutes documented runtime. S2 Pro dock with wireless charging maintains the same 85-minute per-cycle performance; the dock removes cable connection overhead, not battery capacity. The Solar dock variant uses identical 85-minute runtime.
Operation
Is the S2 compatible with booster pumps or pressure-side plumbing?
Manufacturer documentation indicates pressure-side and booster-pump compatibility when the S2 operates on independent floor suction. Direct integration with pressure-side tubing requires adapter purchase (sold separately, ~$30-50 depending on thread size).
Ownership
What maintenance consumables cost annually for the base S2?
Filter rinses are included with use (water wash, no replacement cost). Brush bristle replacement runs ~$15-25 per pair (recommended every 6-12 months depending on debris load). No electrical dock consumables or mop pads.

More in this category

Other robot pool cleaners we have classified.

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Provisional56/100Adequate
Dolphin SigmaIII
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Dolphin Sigma

In-ground pools up to 50 ft, full wall and waterline coverage
Verified64/100Capable
Maytronics Dolphin Explorer E70III
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Maytronics Dolphin Explorer E70

In-ground pools 15K-30K gallons, heavy debris, hands-off scheduling, full waterline coverage.
Verified67/100Capable
Maytronics Dolphin Triton PSIII
Robot Pool Cleaners

Maytronics Dolphin Triton PS

In-ground pools 12K-25K gallons, algae-prone walls, manual deployment, wall-focused cleaning.
Verified69/100Capable
Cite & embed

Reference the Wybot S2 classification.

Embed the Autonomy Ladder™ mark or copy the citation. The mark links back to this assessment and updates if the classification changes.

RobovationsAutonomy Ladder™IIIConditional AutonomyIndependent classification
Citation
Where to next

Three ways to keep going.

For shoppers

Stack against a peer.

Open the compare builder pre-loaded with the Wybot S2 and Trifo Lucy — side-by-side score, autonomy, fit profile, and trade-offs.

3 peers ready to stack right now.
For browsers

See every Level III.

Every robot we’ve classified at conditional autonomy — sorted by readiness, score, and price. Filter by category, manufacturer, or release date.

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By RobovationsUpdated: Jun 14, 2026
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