A floor-only robot for large flat above-ground pools that want daily runs. Wall cleaning still means a brush.
Amazon $199.99The Winny S1103K and the Winny A1 are evenly matched, rated 3.3 and 3.2. The Winny S1103K leads on pool size. The Winny A1 costs $30 less ($169.99 vs $199.99).
Prices were last checked November 9, 2026. Product prices and availability are accurate as of that date and are subject to change; the price and availability shown on Amazon or the retailer's site at the time of purchase apply. As an Amazon Associate we earn from qualifying purchases.
A WYBOT A1-style floor cleaner for small above-ground pools. Buy whichever of the two is cheaper.
Amazon $169.99Which should you buy?
- Choose the Winny S1103K for pool size (pools up to 1,350 sq ft vs pools up to 1,100 sq ft).
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 | Winny S1103K | Winny A1 |
|---|---|---|
| Overall rating | 3.3/5 | 3.2/5 |
| Value 25% | 100 $200 | 100 $170 |
| Cleaning 25% | 20 Floor only | 20 Floor only |
| Navigation 15% | 50 navigation not published (neutral score used) | 50 navigation not published (neutral score used) |
| Warranty 15% | 0 warranty not published, scored as none | 0 warranty not published, scored as none |
| Pool size 10% | 100 pools up to 1,350 sq ft | 89 pools up to 1,100 sq ft |
| Features 10% | 33 1 of 3; no app control, easy pickup | 33 1 of 3; no app control, easy pickup |
Specifications
| Winny S1103K | Winny A1 | |
|---|---|---|
| Pool | ||
| Pool size (rated) | Up to 1,350 sq ft (125 m²) | Up to 1,100 sq ft (102 m²) |
| Pool types | Above-ground | Above-ground |
| Cleaning | ||
| Cleans | Floor only | Floor only |
| Surface skimming | No | No |
| Filter | 185 µm filter basket | 180 µm mesh plus foam layer |
| Filter capacity | - | 3.5 L |
| Water flow | - | 2,140 gal/h |
| Power | ||
| Power | Cordless (battery) | Cordless (battery) |
| Battery | 73.3 Wh, 6,600 mAh | 35 Wh, 14.8 V |
| Run time | Up to 2 h 15 min | Up to 2 h 10 min |
| Charge time | - | 2 h 30 min |
| Navigation & app | ||
| App | No | No |
| Scheduling | Yes | Yes |
| Retrieval | Parks at the pool wall when the battery runs low or the cycle ends | Parks at the pool edge when the battery runs low |
| Build | ||
| Weight | 12.1 lb (5.5 kg) | 7.7 lb (3.5 kg) |
