Dolphin Explorer E20
#29 in CordedFull review
A budget floor-and-wall robot for small pools up to 33 ft, with a better warranty than the Nautilus CC.
Amazon $668 Walmart $639 Pool Express $669$639
3.1/5
Leslie’s version of the basic floor-and-wall Dolphin, for pools up to 33 ft.
- 33 ftPool size
- Floor + wallsCleans
- Smart scanningNavigation
- 2 yearsWarranty
Check price at Leslie's$669
Price checked October 21, 2026. As an Amazon Associate we earn from qualifying purchases.
Pros
- Scrubs floor and walls in two hours
- Two-year warranty
- Works in in-ground and above-ground pools
Cons
- No waterline scrubbing
- No timer or app
- No swivel cable
How it scores
The rating comes from 6 measured or published factors, each scored 0-100 against fixed reference points for its type. How we rank explains each one.
Specifications
| Pool | |
|---|---|
| Pool size (rated) | Up to 33 ft long |
| Pool types | In-ground and above-ground |
| Cleaning | |
| Cleans | Floor and walls |
| Surface skimming | No |
| Filter | Fine Filter Kit, top access |
| Water flow | 4,000 gal/h |
| Power | |
| Power | Corded |
| Run time | Longest cycle 2 h |
| Swivel cable | No |
| Navigation & app | |
| Navigation | Smart scanning |
| App | No |
| Scheduling | No |
| Build | |
| Weight | 14.8 lb (6.7 kg) |
| Warranty | 2 years |
Alternatives in this type
Dolphin Advantage
#30 in CordedFull review
A basic floor-and-wall Dolphin for pools up to 33 ft.
Walmart $669$669
Hayward SharkVac XL
#32 in CordedFull review
A full-coverage Hayward for in-ground pools up to 20 x 40 ft, including beach-entry pools.
Leslie's $1,599 Walmart $1,599$1,599
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