ROBOVATIONS/CLASSIFICATION RECORD/ROBOT POOL CLEANERSRELEASED 2026.02REASSESSED 2026.06.20

Maytronics

Maytronics Dolphin EON 120d

Name: Maytronics Dolphin EON 120d
Brand: Maytronics

Cordless robotic pool cleaner with DebrisLock backwash system. Manufacturer specs confirm waterline and tanning-ledge coverage; smart mapping is the defining autonomy unlock. Evidence base is thin for a flagship at this price point.

FIT CHECK

Will the Maytronics Dolphin EON 120d work in your pool?

Describe your pool on the right. Each choice reads the spec sheet for you, flagging where the Maytronics Dolphin EON 120d 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 near the category median, with every figure charted against the category below.

Dimensions not publishedDimensional drawing

Key specificationsManufacturer-published

Weight: 24.3 lbs✓
Wi-Fi: Supported✓

Where it lands · ranked across 58 robot pool cleanersThis robotMedianTypical range

Runtime120min

85 min1,200 min

Bottom of range

Price$1,199

$290$4,250

Near median

Weight24.3lbs

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 debut with smart mapping; owner field data absent.

Manufacturer reports specify DebrisLock backwash and autonomous coverage claims. No published firmware changelog, recall notices, or longitudinal owner reports available to assess in-service reliability or failure patterns.

Owner effort~3 hrshands-on per month

ConsumablesNonereplaceable parts / yr

Reliability trendUnprovenowner-reported arc

What goes wrong · 3 documented · 0 self-recover

Occasional

DebrisLock backwash cloggingReduced pressure, suction loss, incomplete coverage.

Owner fixManual backwash; inspect valve seals monthly.

Occasional

Smart-map calibration driftMissed floor sections or repeated coverage in shallow areas.

Owner fixRe-dock and allow firmware refresh; reprogram if drift persists.

Occasional

Battery degradation under winterizationReduced charge capacity or failed dock recognition after off-season storage.

Owner fixFollow battery-care protocol; charge dock before seasonal startup.

Upkeep routine

Monthly12×/yr

DebrisLock backwash valve inspection and manual flush. · Brush wear check; replace bristles if splayed (cost ~$25–40 per set).

Seasonal4×/yr

Filter element replacement or deep rinse depending on debris load. · Winterization battery drain and dock power-down; off-season storage in dry location.

As neededno fixed schedule

Cable-swivel inspection (cordless model has no cable; dock power-contact cleaning instead). · Smart-map firmware refresh if autonomous path degradation occurs.

Safety notes

NoteCordless dock power exposure: Outdoor dock requires GFCI protection and weatherproof enclosure.

NoteDeep-water entanglement risk: Autonomous navigation may exceed operator depth awareness in deep ends.

RECORD

How the assessment has moved.

Every announcement, release and reassessment behind the current classification.

Coming soon

Just launched

Active updates

Settled

Discontinued

Jan 2026 · AnnouncementMaytronics unveils Dolphin EON 120d cordless pool cleaner at CES 2026
Feb 2026 · ReleaseDolphin EON 120d reaches retail at $1,199 after CES 2026 debut

Editorial comparisons

How Maytronics Dolphin EON 120d compares.

All comparisons →

Goal-based

Cordless pool robots for large pools: when runtime runs out before the job is done

Beatbot AquaSense X + 3 more

Read comparison

Ownership burden

Cordless pool robots over five years: battery degradation as the hidden cost

Beatbot AquaSense 2 + 3 more

Read comparison

Common questions

What people actually ask.

5 answered

Operation

Does the Dolphin EON 120d work in above-ground pools?

Above-ground pools lack permanent dock placement. Maytronics does not document above-ground installation compatibility for the EON 120d.

Operation

How often do I clean the DebrisLock backwash system?

Filter cleaning follows debris accumulation. Heavy-leaf loads may require biweekly maintenance; light organic debris may stretch to monthly cycles.

Operation

What is the runtime on a single charge?

Battery capacity and runtime specifications are not published in available CES 2026 or early-release documentation.

Operation

Can I move the dock between homes mid-season?

Smart-mapping robots store floor layouts locally. Relocating the dock and pool topology would require remapping.

Operation

What is included in the dock, and is power/water plumbed required?

Manufacturer specs confirm DebrisLock backwash integration. Dock integration details (auto-dock parking, charge contacts, power requirements) are not yet fully disclosed in retail materials.

Availability

Where it's sold

We may earn commission from qualifying purchases. This does not influence classification.

Amazon Checked Jun 23, 2026 $1,199In stock

Cite / Embed

Reference the Maytronics Dolphin EON 120d 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™Level IIIConditional AutonomyIndependent classification

<a href="https://robovations.com/robots/maytronics-dolphin-eon-120d/" title="Maytronics Dolphin EON 120d — Autonomy Level III (Conditional Autonomy), classified by Robovations on the Autonomy Ladder" rel="noopener" style="display:inline-flex;flex-direction:column;align-items:center;width:208px;max-width:100%;box-sizing:border-box;text-decoration:none;background:linear-gradient(180deg,#ffffff,#fbf8f1);border:1px solid #e7dcc2;border-radius:14px;padding:17px 18px 16px;text-align:center;box-shadow:0 6px 18px rgba(30,58,95,0.09);font-family:'Inter',system-ui,-apple-system,'Segoe UI',Roboto,sans-serif"><span style="display:flex;align-items:center;justify-content:center;gap:7px"><svg width="18" height="18" viewBox="0 0 141 141" aria-hidden="true" style="display:block;flex:0 0 auto"><rect width="141" height="141" rx="20.76" fill="#1e3a5f"/><path d="M98.15,114.54a19.84,19.84,0,0,1-8.53-1.64,15.14,15.14,0,0,1-5.93-5.14,41.35,41.35,0,0,1-4.54-8.83l-5-14.15a54.15,54.15,0,0,0-2.54-5.51,8.7,8.7,0,0,0-3.08-3.39,9.89,9.89,0,0,0-5.14-1.15H61a10.13,10.13,0,0,0-2.18.25V98.21a9,9,0,0,0,.79,4.29c.52.93,1.75,1.55,3.69,1.88l6.77.84v7.62H32.21v-7.62l5.93-1a4.05,4.05,0,0,0,3-1.57c.48-.8.72-2.34.72-4.6V42.43a8.48,8.48,0,0,0-.72-4.17c-.49-.77-1.58-1.31-3.27-1.64l-5.69-.84V28.16H66.45a68.36,68.36,0,0,1,13.79,1.27A33.28,33.28,0,0,1,90.77,33.3,18.6,18.6,0,0,1,97.48,40a19,19,0,0,1,2.36,9.74,16.66,16.66,0,0,1-1.45,7,20.72,20.72,0,0,1-3.87,5.74,27.34,27.34,0,0,1-5.44,4.42A37.64,37.64,0,0,1,83,69.89a29.7,29.7,0,0,1-6,1.7v.48a22.17,22.17,0,0,1,9.31,3.63,17.45,17.45,0,0,1,5.45,7.75l3.51,8.71q1.56,4,2.9,6.65a11.51,11.51,0,0,0,3,4,7.23,7.23,0,0,0,4.6,1.33,15.65,15.65,0,0,0,2.3-.18,23.61,23.61,0,0,0,2.9-.66l1.58,6.17a21.54,21.54,0,0,1-6.23,3.69A22.57,22.57,0,0,1,98.15,114.54ZM64.52,67.11a21.12,21.12,0,0,0,9.37-1.87,13,13,0,0,0,5.81-5.51,17.82,17.82,0,0,0,2-8.71,14.86,14.86,0,0,0-2-8.17A11.65,11.65,0,0,0,74,38.32a25.89,25.89,0,0,0-9.31-1.45H59v30q1.81.12,3.15.18C63,67.09,63.79,67.11,64.52,67.11Z" fill="#ffffff"/></svg><span style="font-size:12.5px;font-weight:600;letter-spacing:0.04em;color:#1e3a5f">Robovations</span></span><span style="align-self:stretch;height:1px;background:linear-gradient(90deg,transparent,#e0c485,transparent);margin:11px 0 13px"></span><span style="font-size:10px;font-weight:700;letter-spacing:0.15em;text-transform:uppercase;color:#7d6022">Autonomy Ladder&#8482;</span><span style="display:flex;justify-content:center;margin:13px 0 13px"><span style="display:inline-flex;align-items:flex-end;gap:6px;height:42px"><span style="display:block;width:9px;height:16px;border-radius:2px;background:#4678a0"></span><span style="display:block;width:9px;height:22px;border-radius:2px;background:#4678a0"></span><span style="display:block;width:9px;height:29px;border-radius:2px;background:#4678a0"></span><span style="display:block;width:9px;height:35px;border-radius:2px;background:rgba(20,32,46,0.12)"></span><span style="display:block;width:9px;height:42px;border-radius:2px;background:rgba(20,32,46,0.12)"></span></span></span><span style="display:inline-flex;align-items:center;padding:4px 11px;border-radius:4px;font-weight:700;font-size:13px;letter-spacing:0.08em;color:#fff;line-height:1.2;white-space:nowrap;background:#4678a0;">Level III</span><span style="font-size:14px;font-weight:600;color:#111827;margin-top:9px">Conditional Autonomy</span><span style="font-size:10.5px;color:#6b7280;margin-top:7px;letter-spacing:0.02em">Independent classification</span></a>

Citation

Robovations. "Maytronics Dolphin EON 120d: Autonomy Level 3 (Conditional Autonomy)." Autonomy Ladder™, assessed June 2026. https://robovations.com/robots/maytronics-dolphin-eon-120d/

Where to next

Three ways to keep going.

For evaluators

Compare with a peer.

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Maytronics Dolphin EON 120d

Will the Maytronics Dolphin EON 120d work in your pool?

The full spec sheet.

Living with it.

How the assessment has moved.

How Maytronics Dolphin EON 120d compares.

Cordless pool robots for large pools: when runtime runs out before the job is done

Cordless pool robots over five years: battery degradation as the hidden cost

What people actually ask.

Other robot pool cleaners we have classified.

Aquabot Elite Pro

Beatbot AquaSense 2 Pro

Aiper Scuba V3

Maytronics Dolphin Liberty 300

Where it's sold

Reference the Maytronics Dolphin EON 120d classification.

Three ways to keep going.

Get the next reassessment.

Compare with a peer.

See every Level III.