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ROBOVATIONS/CLASSIFICATION RECORD/ROBOT POOL CLEANERSRELEASED 2024REASSESSED 2026.06.12
Wybot

Wybot S2

Cordless operation eliminates cable management. The 3D adsorption wall grip and 210-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.

Superseded byWybot S3newer generation now available

Wybot S2
LIST PRICE$999.99MSRP
FIT CHECK

Will the Wybot S2 work in your pool?

Describe your pool using the controls. Each choice reads the spec sheet for you, flagging where the Wybot S2 is built for your space and where it isn’t.

Pool type

Pool size

Debris load

Coverage you want

A classification of fit for the conditions you set — not a recommendation. Verdicts describe engineering design intent, not test results.

SPECIFICATION

The full spec sheet.

Priced below the category median, with every figure charted against the category below.

15.4 in diaTOP10.6 inSIDEDimensional drawing
Key specificationsManufacturer-published
Footprint
15.4 in dia · 10.6 in tall
Weight
17.6 lbs
Battery
144 Wh · Li-ion
Wi-Fi
Supported
Mapping & navigation

Smart path mapping + 3D adsorption wall sensing

Where it lands · ranked across 61 robot pool cleanersThis robotMedianTypical range
Runtime210min
90 min1,200 min
Above median
Price$999.99
$290$4,250
Near median
Charge time180min
75 min600 min
Near median
Weight17.6lbs
7.9 lbs34.5 lbs
Near median

Position shows where the figure sits across the tracked category — not a quality judgment.

Official referencesProduct page
OWNERSHIP

Living with it.

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 per month
Consumables$80replaceable parts / yr
Reliability trend Improvingowner-reported arc
What goes wrong · 4 documented · 0 self-recover
Occasional
Waterline grip release pressure lossRobot returns to dock mid-cycle or drifts lower wall.
Owner fixManual grip pad inspection and rinse; monthly in high-algae pools.
Occasional
Filter bypass blockageReduced suction, shortened runtime by 15-20%.
Owner fixRemove and rinse filter cartridge; replace if bristles compacted (~$20 every 12 months).
Occasional
Motor hum indication before stallRobot slows; docking may require manual assist.
Owner fixCheck for debris in propeller shroud; purge after heavy use (leaves, algae).
Rare
Cable swivel corrosion at dock baseConnection intermittent; dock fails to charge or resets.
Owner fixDry dock connector and contacts weekly; replace swivel assembly (~$60-80 every 2-3 years).
Upkeep routine
Each useEvery cycle
Rinse filter cartridge with fresh water; tap bristles to dislodge debris.
Weekly52×/yr
Inspect gripper contact pads on walls and dock for algae buildup; wipe with soft cloth.
Monthly12×/yr
Rinse dock connector contacts and cable swivel with fresh water; air dry before reconnecting.
Seasonal4×/yr
Replace filter cartridge brushes (~$15-25 per set) if bristles show compression or reduced flow.
Yearly1×/yr
Deep-clean dock base and gripper mechanism with damp cloth; inspect cable for cuts or corrosion; replace dock swivel assembly if corroded (~$60-80).
Cost over time · past the sticker
PurchaseRunning cost
Year 1
$1,079
Year 3
$1,239
Year 5
$1,399

$999 to buy, then about $80 a year for the replaceable parts below. Over three years that is roughly $240 past the sticker price. Excludes electricity and any repairs.

What you replace
  • FilterEvery 3-6 months$15–25
  • CableAnnually$60–80

Replacement cadence from the maintenance schedule; prices shown where the source documents them.

Safety notes

CautionElectrical shock risk during dock maintenance: Water contact with battery/connector during cleaning poses low-voltage shock risk; battery disconnect before dock deep cleaning.

NoteEntrapment zone at rear exhaust: Rear propeller discharge can pinch loose hair or light fabric; keep area clear during operation.

RECORD

How the assessment has moved.

Every announcement, release and reassessment behind the current classification.

Coming soon
Just launched
Active updates
Settled
Discontinued
  1. Jul 2026 · AssessmentRobovations Score recorded at 66 of 100
  2. Jul 2026 · AssessmentRobovations Score revised 66 → 70
Common questions

What people actually ask.

5 answered
OperationDoes 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.
OperationCan 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.
OperationWhat 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.
OperationIs 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).
OwnershipWhat 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.

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.

Citation
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