Robot vacuum and mop whose base self-empties (60 days), self-refills (30 days) and washes and dries the mop pad.
Verdict: Very low-maintenance for a Shark; a good fit for US buyers who want long gaps between emptying.
Shark's PowerDetect NeverTouch Pro (model RV2820ZE) pairs a vacuum-mop robot with a base that empties debris into a 60-day bin, refills the robot's water for up to 30 days and washes and dries the pad. DirtDetect, StainDetect and EdgeDetect boost cleaning where needed, and NeverStuck lets it lift itself over obstacles.
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Roborock
Self-emptying Roborock with sonic VibraRise 2.0 mopping, 10,000 Pa suction and 70 days of dock capacity.
The best mopping you'll get under $300, with self-emptying included. You still wash the mop pad yourself.
Dreame
Self-emptying vacuum-mop with 20,000 Pa suction and a dock bag that lasts up to 120 days.
Dreame
25,000 Pa vacuum-mop with a TriCut hair-cutting brush, extending mop pads and ultrasonic carpet detection.
Dreame
10,000 Pa robot vacuum and mop with MopExtend edge mopping and an all-in-one base with 75-day auto-empty and mop washing and drying.