WYBOT S2 Vision
#17 in CordlessFull review
WYBOT’s biggest-battery robot with a camera, for very large pools with lots of debris. Most people are better off with the cheaper S2 or C2 Vision.
Amazon $899.99$899.99
The WYBOT S2 Vision is the better robotic pool cleaner overall, rated 4.0 to 3.7. The WYBOT S2 Vision leads on warranty and navigation.
Dolphin Nautilus EON 100
#29 in CordlessFull review
Maytronics’ entry cordless robot, for owners who want cable-free cleaning that reaches steps and ledges.
Maytronics $899 Walmart $899$899
Prices were last checked October 21, 2026 and are subject to change; the price and availability shown by the retailer at the time of purchase apply.
Which should you buy?
- Choose the WYBOT S2 Vision for warranty (2-year warranty vs 1-year warranty) and navigation (AI camera vs Smart mapping).
Scores side by side
Each factor is scored 0-100 against the same fixed reference points for every cordless robotic pool cleaner; a clear win is highlighted. How we rank explains each one.
| Factor weight | WYBOT S2 Vision | Dolphin Nautilus EON 100 |
|---|---|---|
| Overall rating | 4.0/5 | 3.7/5 |
| Value 25% | 44 $900 | 44 $899 |
| Cleaning 25% | 85 Floor, walls and waterline | 85 Floor, walls and waterline |
| Navigation 15% | 85 AI camera | 65 Smart mapping |
| Warranty 15% | 50 2-year warranty | 0 1-year warranty |
| Pool size 10% | 100 pools up to 3,230 sq ft | 100 pools up to 50 ft long (about 1,250 sq ft) |
| Features 10% | 100 2 of 2 | 100 2 of 2 |
Specifications
| WYBOT S2 Vision | Dolphin Nautilus EON 100 | |
|---|---|---|
| Pool | ||
| Pool size (rated) | Up to 3,229 sq ft (300 m²) | Up to 50 ft long |
| Pool types | In-ground and above-ground | In-ground and above-ground |
| Cleaning | ||
| Cleans | Floor, walls and waterline | Floor, walls and waterline |
| Surface skimming | No | No |
| Filter | - | Fine Filter Kit, top access |
| Filter capacity | 6 L | - |
| Water flow | - | 4,000 gal/h |
| Power | ||
| Power | Cordless (battery) | Cordless (battery) |
| Battery | 7,800 mAh, 25.2 V | - |
| Run time | Up to 3 h 30 min | - |
| Charge time | 3 h | - |
| Navigation & app | ||
| Navigation | AI camera | Smart mapping |
| App | Yes | Yes |
| Connectivity | - | Wi-Fi |
| Scheduling | Yes | Yes |
| Build | ||
| Weight | - | 22.1 lb (10 kg) |
| Warranty | 2 years | 1 year |