HOBOT-2S: Specs, Price & Verdict

HOBOT-2S

Owners who want a proven design with ultrasonic spray

around $299

Photo: HOBOT, Manufacturer product image, via hobot.us, background removed, shown for review and comparison purposes.

around $299 (HOBOT US store, Oct 2026). Prices checked 15 October 2026. We may earn a commission from retailer links.

Key specs

Suction: 6.0 kg (HOBOT's measure)
Spray: Dual ultrasonic, two 26 ml tanks
Backup battery: 20 min (UPS)
Safety rope: Rated 150 kgf
Warranty: 1 year

Our verdict

A solid mid-price robot from a specialist window-robot brand. Plug-in only, so plan your extension lead.

What we like

Fine ultrasonic mist reduces drips and streaks
Edge-leakage sensors for frameless glass
Strong safety rope rating

What to know

Shorter backup battery than Ecovacs (20 vs about 30 minutes)
No portable station; needs a socket

How it compares

Spec	HOBOT-2S	Ecovacs Winbot W2S Omni	Ecovacs Winbot Mini 2	Ecovacs Winbot W2S Pro Omni
Price	around $299 (HOBOT US store, Oct 2026)	around $407 (Ecovacs US, Oct 2026)	around $179 (Ecovacs US, Oct 2026)	around $599 / £529 (launch prices, Aug 2026)
Suction	6.0 kg (HOBOT's measure)	Up to 8,000 Pa max; about 3,000 Pa moving	Up to 8,000 Pa max; 3,400 Pa moving	Up to 10,000 Pa (manufacturer)
Spray	Dual ultrasonic, two 26 ml tanks	-	Ultrasonic, 4 nozzles, 50 ml tank	Triple nozzles on each side
Backup battery	20 min (UPS)	-	-	-
Safety rope	Rated 150 kgf	-	-	-
Warranty	1 year	-	-	-
Battery	-	4,500 mAh, about 110 min	-	Up to 110 min (station)
Cord	-	5.5 m DC cord	-	-
Robot weight	-	1.95 kg	-	-

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Researched by our editorial team. Specs come from the manufacturer; strengths and weaknesses summarise independent tests and owner reviews cited in our guides. We have not tested this robot ourselves. How we research.