Head-to-Head

Dolphin Liberty 300 vs Dolphin Active 40

A side-by-side comparison of the Dolphin Liberty 300 and Dolphin Active 40 — price, filtration, cleaning coverage, brushes and warranty — to help you pick the right Dolphin robotic pool cleaner.

Feature Liberty 300 Active 40
Overview
Price $1199 MSRP $1799
LineupLiberty™ (cordless)Active™
Best forCordless, week-long chargePool-store edition
Pool sizeUp to 50 ftUp to 50 ft
Cleaning coverageFloor + WallsFloor + Walls + Waterline
Cleaning cycle1.5 hours; up to a week of cycles per charge2 hours
SuctionBattery powered4,000 GPH
Scrubbing brushes1 (active)2 (active)
FiltrationTop-load filter basketMulti-layer filter basket
Standout features
Waterline cleaning No Included
3-year warranty No No
NanoFilters™ included No No
MultiMedia™ filtration No No
Media-Alert™ No No
Oversized leaf bag No No
MaxBin™ filtration No No
HyperBrush™ scrubbing No No
App control No Included
Anti-tangle swivel No Included
Corded power No Included
Navigation & ownership
NavigationCleverClean™Not published
Weekly schedulingNo weekly timerWeekly timer
App controlNo app controlmyDolphin™ Plus app
CableNone (cordless)Anti-tangle swivel cable
What is included
  • Top-load filter basket
  • Magnetic-Connect™ inductive charger
  • Power adapter
  • Multi-layer filter basket
  • App-connected power supply
  • Caddy
Warranty2 years2 years
Cleaning coverage

Waterline cleaning

Why it matters

Dolphin Liberty 300 vs Dolphin Active 40: how they compare

The Dolphin Liberty 300 is part of the Liberty™ (cordless) lineup — cordless with up to a week of cycles per charge, an Eco mode and Click-Up™ pickup. It cleans pools up to 50 ft with floor + walls coverage and Top-load filter basket filtration, backed by a 2-year warranty.

The Dolphin Active 40 is part of the Active™ lineup — a pool-store exclusive with myDolphin™ Plus app control and a caddy in the box. It handles pools up to 50 ft with floor + walls + waterline coverage and Multi-layer filter basket filtration, backed by a 2-year warranty.

Our verdict: the Dolphin Active 40 wins

Between these two, the Dolphin Active 40 is the stronger robot on paper — a pool-store exclusive with myDolphin™ Plus app control and a caddy in the box. It cleans with floor + walls + waterline coverage and Multi-layer filter basket filtration, backed by a 2-year warranty.

Our top recommendation: neither of these is in our two best lineups. For the best clean in this price range, step up to the Dolphin Quantum Pro from our ProLine™ — our top pick, highlighted at the top of this comparison.

Not sure yet? We're here to help

Every Dolphin Max-Series™ and ProLine™ robotic pool cleaner ships free and is backed by a full manufacturer warranty — explore our top-recommended robots and find the right fit for your pool.

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