Dolphin · Cordless · In-ground & above-ground
Dolphin LIBERTY 400
Dolphin's cordless robot for in-ground and above-ground pools up to 33 ft, cleaning the floor, walls and waterline.
Specs
| Rated pool size | 33 ft long |
|---|---|
| Pool type | In-ground & above-ground |
| Cleans | Floor + Walls + Waterline |
| Power | Cordless · Magnetic-connect charging |
| Also | MyDolphin Plus app (when the robot is out of the pool) |
| Floor runtime | 2.5 h |
| Suction | Not listed |
| Filter | Combined filter kit with ultra-fine kit included |
| Basket | Not listed |
| Navigation | Selectable cleaning modes |
| Weight | 17.9 lb |
| Warranty | 3 years |
| Price seen | $1,549 on Maytronics' US store |
2.5 h default cycle.
What's good
- Cordless, with magnetic-connect charging
- Floor, walls and waterline
- 3-year warranty
- Works in above-ground pools too
What to know
- 33 ft maximum length
- $1,549, more than the Beatbot Sora 70
Will it suit your pool?
Put your pool's size and type into the pool robot finder to see the Dolphin LIBERTY 400 next to every other robot we cover. Closest alternatives by rated size: Aiper Scuba S1, Aiper Scuba N1, Aiper Scuba SE.
Sources
Specs and price checked 5 November 2026. We haven't tested this robot hands-on; this verdict compares published specifications.
Dolphin LIBERTY 400: quick answers
How big a pool can the Dolphin LIBERTY 400 clean?
Dolphin rates it for pools up to 33 ft long.
Does the Dolphin LIBERTY 400 clean walls and the waterline?
According to Dolphin, it cleans: floor, walls, waterline. It doesn't clean the water surface.
Is the Dolphin LIBERTY 400 cordless, and how long does it run?
Yes. It runs up to 2.5 h on the floor per charge. Charging: Magnetic-connect charging.
Does the Dolphin LIBERTY 400 work in above-ground pools?
Yes, the maker lists it for above-ground and in-ground pools.