Kärcher RCV 3 (robot vacuum cleaner robot mop with LiDAR navigation): our review

The toast has made it to the plate; its crumbs have taken a different route. This is the sort of everyday mess that gives the RCV 3 a sensible role. Its suction of 2500 Pa is modest, intended for routine dust on hard floors. Think kitchen tiles and the dust that gathers around chair legs.

That distinction matters. Suction pressure is measured differently by each manufacturer, so a bigger figure elsewhere cannot tell you exactly how clean your rug will be. Here, the specification points towards regular upkeep. Carpet detection is included, but that fact alone says nothing about extra suction or keeping a damp mop clear of fabric.

Would your main cleaning job be the kitchen floor or the tiled hallway? Both give this robot a clear everyday purpose. Crumbs are a reasonable assignment. Persuading the family to stop dropping them remains your department.

A robot that takes over a floor chore should not immediately replace it with another. The 500 mL dustbin is large enough to allow longer intervals between emptying, which is a useful practical strength when dust and snack debris accumulate through the working week. It is the robot's own container, so the benefit travels with the cleaner around the home.

Emptying still belongs in your routine, with the interval depending on what the robot collects. We like the breathing room this capacity offers: coming back from work should involve less attention to crumbs, even if maintenance has not vanished altogether.

The mopping function adds damp floor upkeep to vacuuming. Keep expectations grounded: dampening the kitchen floor is a different job from scrubbing a stubborn splash by hand. For unfinished, waxed or poorly sealed wooden flooring, manufacturers advise checking that the surface tolerates moisture before using a mop. That matters when the route continues from tiles into the sitting room.

With stated battery life of 120 min, there is scope for a decent cleaning run before a return to recharge. That figure comes from the gentlest setting; stronger suction or mopping shortens the session. It is not a floor coverage promise. Recharge and resume is the more useful reassurance when a job needs a charging break before it can continue.

LiDAR navigation, multi-floor mapping and no-go zones give this model a practical framework for organising cleaning. In a house with different storeys, multi-floor mapping is a useful feature to have. No-go zones let you exclude a chosen area, such as the space occupied by a craft project.

App compatibility supports managing cleaning from your phone. The specified connection is Wi‑Fi 2,4 GHz, so check that your home router offers the matching network band. Before a run, follow manufacturers' preparation advice and clear socks, charging cables and small objects. Even a mapped home needs a little tidying.

Our assessment puts this model well placed overall. The attraction is a coherent combination of mapped navigation, a roomy dustbin and vacuuming with a mopping function. For a flat where hard floors account for most of the cleaning, that gives it a clear purpose without needing to promise a transformation.

Need longer sessions before a charging break? The DJI Romo A has higher advertised battery life at 180 min, giving it a longer stated runtime before recharging. Actual coverage still depends on the cleaning settings and the home, so that longer runtime is breathing room rather than a guarantee.

The RCV 3 makes sense when the aim is keeping ordinary dust from becoming a weekend job. Less kitchen floor cleaning would leave more of Saturday morning for getting out of the house. We would choose around that everyday task: a regular contribution to the housework, with emptying and occasional manual mopping still on your list.