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The Roborock S8 MaxV Ultra is a flagship robot vacuum and mop with a plumbed RockDock Ultra that fills and drains its own water, so there are no tanks to carry. The dock washes the mops in hot water, dispenses detergent from a 580ml tank, dries the mops and dock with hot air, and empties dust automatically. It is aimed at large homes with hard floors and carpet where owners want near-hands-off cleaning, and it competes with other self-emptying, self-washing flagships on dock automation rather than on price. The plumbing requirement is the main catch: the dock needs a water supply and drain where it sits.
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The roborock S8 MaxV Ultra is a robot vacuum and mop that comes with the RockDock Ultra, an all-in-one dock. This version has a Refill & Drainage System, so the dock fills and drains water automatically. The installation environment should be checked before purchase.
The dock washes the mops with hot water and dries the mop and dock base with hot air to prevent odors. It dispenses detergent automatically from a 580ml tank, and one fill lasts over 3 months. It empties dust after cleanups and during cleanups, and it refills the robot's water tank when needed. Dirt detection checks how dirty the mops are during washing and decides whether they need another wash. Heavily soiled areas are mopped again.
The robot has 10000Pa HyperForce suction and a dual-roller brush that reduces hair tangles. The FlexiArm side brush extends when it detects corners and low areas under furniture. A rotating side mop reaches within 1.68mm of edges. The VibraRise 3.0 mop has double vibration modules that scrub 4000 times per minute. It lifts up to 20mm above the floor on carpet, so the robot can vacuum and mop at the same time.
