Dreame Z1 Pro
#4 in CordlessFull review
A well-equipped mid-price robot for above-ground or in-ground pools up to about 2,000 sq ft, with mapping and easy waterline parking. Pools with fine silt need a robot with a finer filter.
Amazon $479$479
The Dreame Z1 Pro and the Seauto SAT20 Pro are evenly matched, rated 4.3 and 4.2. The Dreame Z1 Pro leads on navigation. The Seauto SAT20 Pro wins on value. The Seauto SAT20 Pro costs $179.01 less ($299.99 vs $479).
Seauto SAT20 Pro
#5 in CordlessFull review
A tracked, sonar-guided full-pool robot at a low price for mid-size and large pools. Buyers who want scheduling or a clear warranty should look at WYBOT.
Amazon $299.99$299.99
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 Dreame Z1 Pro for navigation (Ultrasonic + 3D structured light vs Ultrasonic).
- Choose the Seauto SAT20 Pro for value ($300 vs $479).
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 | Dreame Z1 Pro | Seauto SAT20 Pro |
|---|---|---|
| Overall rating | 4.3/5 | 4.2/5 |
| Value 25% | 72 $479 | 92 $300 |
| Cleaning 25% | 85 Floor, walls and waterline | 85 Floor, walls and waterline |
| Navigation 15% | 85 Ultrasonic + 3D structured light | 75 Ultrasonic |
| Warranty 15% | 50 2-year warranty | 50 warranty not published (neutral score used) |
| Pool size 10% | 100 pools up to 2,160 sq ft | 100 pools up to 2,150 sq ft |
| Features 10% | 100 3 of 3 | 50 too few features published (neutral score used) |
Specifications
| Dreame Z1 Pro | Seauto SAT20 Pro | |
|---|---|---|
| Pool | ||
| Pool size (rated) | Up to 2,160 sq ft (200 m²) | Up to 2,150 sq ft (200 m²) |
| Pool types | In-ground and above-ground | In-ground and above-ground |
| Surfaces | Concrete, vinyl, fiberglass, tile | Tile, concrete, vinyl, fiberglass |
| Cleaning | ||
| Cleans | Floor, walls and waterline | Floor, walls and waterline |
| Surface skimming | No | No |
| Filter | 180 µm filter basket | - |
| Water flow | 8,000 gal/h | - |
| Power | ||
| Power | Cordless (battery) | Cordless (battery) |
| Battery | 194.4 Wh, 9,600 mAh | 168.5 Wh |
| Run time | Up to 5 h | Up to 2 h 30 min |
| Charge time | 4 h | 3 h |
| Charging | Magnetic connector | - |
| Navigation & app | ||
| Navigation | Ultrasonic + 3D structured light | Ultrasonic |
| App | Yes | No |
| Connectivity | Wi-Fi, Bluetooth | - |
| Scheduling | Yes | - |
| Retrieval | Parks at the waterline at a spot you choose | - |
| Build | ||
| Water resistance | IPX8 | IP68 |
| Weight | - | 19.8 lb (9 kg) |
| Warranty | 2 years | - |
| Released | 2025-03 | - |