Mamibot W120-DP (window-cleaning robot with automatic spraying): our review

The living room picture window can look reasonably clean until late afternoon sunlight picks out the greasy patch where someone leaned against it. The W120-DP combines automatic spraying with a deep cleaning mode, an appealing pairing when you have had enough of wiping that broad pane yourself. Ready to give your shoulders a different Saturday assignment? There is no medal for cleaning every window by hand.

Its 60 ml reservoir is a typical tank size among window cleaning robots. For your routine, that means planning around the glass area and dirt rather than assuming the whole room can be finished before a refill. Automatic spraying handles the liquid delivery, while grime, cleaning solution, and the cloth all affect the result. Its equipment is well placed in our ratings. We like the combination of spraying and remote control for regular upkeep, provided you can manage placement and retrieval. Help with the wiping matters.

Before tackling the upstairs window, decide where you will stand to place the robot and collect it afterward. This robotic window cleaner needs outlet power throughout cleaning. The 72 W rating describes electrical power, not cleaning strength; the practical requirement is a powered connection for the entire session. It cannot tell you how readily dried marks will come off the glass.

The UPS backup battery is intended to keep the robot attached to the glass during a power interruption. That gives the backup a specific purpose: helping you retrieve it when the supply stops, without turning it into a machine that cleans independently of an outlet. Keep the retrieval route accessible. Manufacturers' manuals instruct users to attach a safety tether to a fixed anchor, especially at an upstairs exterior window, and stay nearby during cleaning. Neither precaution guarantees against a fall. The useful arrangement is somewhere you can supervise comfortably and reach the robot again.

A sunroom with framed glass panels makes the practical work easy to picture: positioning the robot, letting it clean, then carrying it to the next pane. Use its 6,9 cm height as a starting point when checking space beside blinds, while allowing room to place and retrieve it. Height alone does not establish the clearance needed around every frame or obstruction.

Framed windows are the verified match for this model. That is the useful starting point when deciding where it belongs in your home. A remote control lets you issue commands while staying nearby. Would that make your spring cleaning Saturday easier to organize? We see the appeal, particularly when the alternative is another long stretch of wiping. Move chairs and plants before starting so you can reach the glass comfortably. A robot can take on part of the chore; an awkward reach remains an awkward reach.

The sliding glass door with fingerprints around the handle and a sunroom full of panels ask different things of a cleaning routine. For regular sessions on accessible framed windows, automatic spraying, remote control, and deep cleaning make a coherent combination. For a longer stretch of glass, the amount of liquid available becomes a more useful buying question. Start with the chore you actually want help finishing, rather than collecting features you may rarely use.

The Lubluelu CHYW201 has a higher water tank capacity of 160 ml than the W120-DP and is better rated overall. That makes the Lubluelu CHYW201 worth choosing when a larger supply of cleaning liquid is your priority. Refilling needs still depend on the surface area and dirt. Our preference for the W120-DP is narrower: manageable upkeep on framed windows, with controls that let you direct the work from nearby. Buy for your actual windows.