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The Roborock S4 Max is a lidar-guided robot vacuum built for large, carpeted homes with pets. It maps up to four floors, lets you set floor types and cleaning modes in the Mi Home app, and works with Alexa and Google Home. Its 5200mAh battery is rated for up to 180 minutes or 300 square meters per charge, and suction tops out at 2000Pa. It is a strong pick for whole-home mapping and pet hair, but it has no mop and no self-emptying base, so it sits below Roborock's mopping and auto-empty models on features.
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Owners of the S4 Max generally rate its navigation and suction highly for the money, and many praise how well it handles pet hair and multi-floor maps. Complaints center on the lack of mopping and the manual bin emptying.
The Roborock S4 Max is a robot vacuum that uses Lidar navigation to map and control where it cleans, across up to 4 levels. Suction reaches up to 2000Pa to lift dust from floors and pull it from carpets. It cleans under beds and sofas and from corner to corner, and it handles hair, fur and allergens.
A 5200mAh battery gives up to 180 minutes or 300 sqm of cleaning on one charge. The app lets you set the floor type and cleaning mode, start, pause or stop cleaning, run spot cleaning, set a timer and monitor the cleaning process. The robot works with the Mi Home app, and Alexa and Google Home support allow voice control.
