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Dolphin E40i vs. Ecovacs Ultramarine P1 compared

Robotic Pool Cleaner

At a glance

The key numbers for both devices side by side.

Overall rating
82Gut
81Gut
Value for money
74Fair
86Excellent
Best price
€1,099.00
€399.00€599.00−33 %
Price advantage
—
€700.00 cheaper
Offers
2 shops
2 shops
Rank in category
Rank 14 of 45
Rank 15 of 45

Rating

Sub-ratings compared

Dolphin E40iOverall rating 82Ecovacs Ultramarine P1Overall rating 81
CleaningresultsNavigation& reliabilityRuntime& enduranceHandling& maintenanceApp& build quality
Dolphin E40iEcovacs Ultramarine P1
Cleaning results76/10087/100
Navigation & reliability74/10070/100
Runtime & endurance76/10080/100
Handling & maintenance68/10081/100
App & build quality76/10087/100
Cleaning results
76
87
Navigation & reliability
74
70
Runtime & endurance
76
80
Handling & maintenance
68
81
App & build quality
76
87

Specs

Specs compared

Key specs

Brand
Dolphin
Ecovacs
Model
E40i
Ultramarine P1
Cleaning coverageAreas the robot cleans according to the manufacturer – only with walls and waterline is no dirt ring left; top models also skim leaves from the surface, pure skimmers clean only the surface
FloorWallsWaterline
FloorWalls
Max. pool areaLargest pool area according to the manufacturer in m² – some manufacturers state only the pool length instead
180 m² (1,938 sq ft)
Power supplyBattery or floating cable according to the manufacturer – battery robots don’t get tangled, corded robots run without a break
Cable
Battery (cordless)
Suitable forPool types the manufacturer approves the robot for
In-ground pool
Above-ground poolIn-ground pool
NavigationHow the robot moves according to the manufacturer – systematic navigation and mapping cover the pool faster and more completely
Systematic (gyroscope)
Systematic (gyroscope)
Battery lifeRuntime per charge in the standard program according to the manufacturer in minutes
180 min

Cleaning

ChassisHow the robot moves according to the manufacturer – tracks climb walls and steps and roll over liner folds, wheels and rollers get stuck on edges more easily; propellers drive floating skimmers
Tracks (rubber)
Saltwater compatibleThe manufacturer explicitly approves the robot for saltwater pools – if not stated, the field stays empty
Yes
Flow rateVolume of water the pump draws through the filter per hour according to the manufacturer, in m³/h – a higher flow rate also picks up heavy debris
15 m³/h
18 m³/h
Cleaning programsCleaning programmes according to the manufacturer – "Smart", "Auto" or "Standard" is the full clean of floor and walls, "Quick" or "Turbo" the quick programme, "Enhanced" or "Ultra" the intensive programme; a quick programme is enough for the daily round
Floor onlyWalls onlyFloor and wallsEco
Suitable pool surfacesPool surfaces the manufacturer approves the robot for – "pebble" and pebble plaster count as concrete, "vinyl" and "liner" as liner, fibreglass and GRP as polyester
ConcreteVinyl linerPolyesterTiles
Program durationDuration of the standard program according to the manufacturer in minutes
120 min
90 min

Filter & maintenance

Filter typeType of debris container according to the manufacturer
Filter basket
Filter basket
Filter capacityFilter capacity according to the manufacturer in liters
4 l (1.1 gal)
Full filter indicatorSignals a full filter on the robot or in the app, according to the manufacturer
No
Filter finenessFineness of the finest included filter according to the manufacturer in microns – the smaller the number, the finer the filter, but it clogs faster
50 µm
3 µm

Battery & cable

Charging timeCharging time from empty to full according to the manufacturer in minutes
240 min
ChargingHow the battery is charged according to the manufacturer – with a plug on the device the socket must be dry; a dock sometimes also rinses the filter but then needs a water connection
Charging cable on the device
Cable lengthLength of the floating cable according to the manufacturer in m – it must reach from the power adapter to the farthest corner
17 m (56 ft)
Anti-twist systemA swivel in the cable prevents the floating cable from twisting, according to the manufacturer
Yes
No

Controls

Obstacle detectionHow the robot detects walls, steps and obstacles according to the manufacturer – with ultrasound, laser or camera before it bumps into them; "ultrasonic radar" and "sonar" are ultrasound, 3D ToF and point laser are laser/ToF
Contact (wall and bump)
Remote controlA remote control is included, according to the manufacturer
No
ScheduleCleaning can be repeated on a schedule, according to the manufacturer
Yes
Yes
App controlCan be controlled via app, not just by remote, according to the manufacturer
Yes
Yes
RetrievalHow the robot is ready for removal after cleaning according to the manufacturer – without a retrieval aid it stays on the bottom and has to be fished out with a hook
No retrieval aid (hook needed)

Dimensions & weight

WeightWeight of the robot according to the manufacturer in kg, without water and without the cart – matters when lifting it out
7.9 kg (17 lb)
10 kg (22 lb)
Pool length up toMaximum pool length the manufacturer approves the robot for, in m
12 m (39 ft)
Transport cart includedA cart for storing and moving the robot is included, according to the manufacturer
Yes
DimensionsExternal dimensions according to the manufacturer in cm (W × D × H)
40.23 × 44.38 × 29.02 cm (16 × 17 × 11 in)
46.6 × 39.3 × 23.8 cm (18 × 15 × 9.4 in)

General

Warranty
3 years
Price segment
Premium
Mid-range
Model year
2026
In the box
Poolroboter, Netzteil mit WLAN, Anschlusskabel, mehrschichtiger Filtereinsatz, Anleitung, Transportwagen laut Herstellerunterlagen (nicht in jedem Angebot)
Poolroboter, Netzteil, Rückholhaken, Ersatz-Walzenbürsten, Kletterringe, Doppelfilter (180 µm + 3 µm)

Prices

Offers

Dolphin E40i

Ecovacs Ultramarine P1

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Verdict

Pros & cons

Der Dolphin E40i ist ein Kabelroboter für Einbaubecken bis 12 m, der Boden, Wände und Wasserlinie gründlich und in geplanten Bahnen reinigt. Sein Mehrwert ist der Wochenplan per App, der aber stabiles WLAN am Becken voraussetzt. Treppen bleiben Handarbeit, eine Filteranzeige fehlt, und vollgesogen wird das Gerät beim Herausheben schwer. Ohne App-Nutzung reicht dir ein Modell darunter.

Pros

  • Reinigt Boden, Wände und Wasserlinie gründlich in einem Lauf
  • Startet per App-Wochenplan selbstständig zu festen Zeiten
  • Systematische Bahnen mit Gyroskop decken die Fläche gleichmäßig ab
  • Filterkorb lässt sich von oben entnehmen, ohne das Gerät zu drehen
  • Drehgelenk am 17 bis 18 m langen Kabel verhindert Verdrillen
  • Start auch ohne Smartphone direkt am Netzteil möglich

Cons

  • Treppen und Stufen reinigt er nicht
  • App-Einrichtung und Verbindungsaufbau brauchen Geduld, WLAN am Becken nötig
  • Keine Anzeige für den vollen Filter
  • Vollgesogen beim Herausheben schwer, bei 7,5 bis 7,9 kg Leergewicht
  • Festsitzender Algenbelag an Folienwänden bleibt teils haften

Der Ecovacs Ultramarine P1 ist ein kabelloser Raupenroboter für Boden und Wände, der den Boden zuverlässig gründlich reinigt – Laub, Sand und sogar kleine Kiesel landen im Filter. Feinfilter mit 3 µm und Bergehaken liegen bei. Der Haken: Ecken, Stufen und hängende Leitern überfordern ihn, und die Wasserlinie erreicht er nicht überall. Für einfache Becken mit ebenem Boden passt er gut.

Pros

  • Holt Laub, Sand, Ästchen bis 3 cm und kleine Kiesel zuverlässig vom Boden
  • Doppelfilter mit 3-µm-Feinfilter fängt auch feinen Sand und Schwebstoffe
  • Filterkorb mit 4 l läuft in einem normalen Lauf nicht voll
  • Zeitplan mit Dauer und Modus startet den Roboter selbstständig
  • Kabellos, nichts verheddert sich an Leiter oder Pumpe
  • Robustes Gehäuse, Ersatzteile wie Raupen und Filter einzeln erhältlich

Cons

  • Bleibt an hängenden Leitern, flachen Abläufen und oberster Treppenstufe hängen
  • Ecken, Übergänge und umlaufende Wandstufen bleiben teils ungereinigt
  • Wasserlinie nur auf manchen Bahnen erreicht, kippt mitunter beim Klettern
  • Nachladen dauert fast 4 h, Ladung reicht in manchen Becken nur knapp
  • Bleibt nach dem Lauf am Boden liegen, Bergen nur mit Haken

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