Dual spray

Lifenaxx LX-055 (window-cleaning robot with dual spray and 2800 Pa): our review

Brand: LifenaxxOur methodology

Overall ratingiScores calculated by comparing verified specifications across our catalogue. No hands-on testing. Comparison of documented models, not an exhaustive market survey. n is the number of models compared for each criterion. No hands-on testing.
8.2/10
Documentation: partialNot confirmed by a verified source: Manufacturer's intended use.

No verified local offers at present.

Ecovacs WINBOT W2S OMNI, studio product shot Ecovacs WINBOT W2S OMNI 9.1/10 See our pick →
Scale from 6.5 to 9.6, the actual range of our scores. The dotted line shows the average across analysed models. Comparison of documented models, not an exhaustive market survey. n is the number of models compared for each criterion. No hands-on testing.
Suction pressure: 7.1/10: 2800 Pa, ahead of 0% of the models in the catalogue · n = 14. Average across analysed models: 8.1/10Water tank capacity: 8.7/10: 70 ml, ahead of 67% of the models in the catalogue · n = 18. Average across analysed models: 8.1/10Backup battery holding time: 7.5/10: 20 min, ahead of 0% of the models in the catalogue · n = 16. Average across analysed models: 8.1/10Equipment: 9.5/10: 9 of 17 tracked features documented, ahead of 93% of the models in the catalogue · n = 27. Average across analysed models: 8.1/10Suction pressure7.1/10 · avg. 8.1Water tank capacity8.7/10 · avg. 8.1Backup battery holding time7.5/10 · avg. 8.1Equipment9.5/10 · avg. 8.1
The short version

Lifenaxx LX-055 review for the windows that keep stealing your Saturday

The LX-055 combines automatic dual spray with framed-window compatibility and a remote control. We like its straightforward approach to recurring household glass chores. It makes the most sense when you are comfortable supplying outlet power, supervising the session, and moving the machine between surfaces.

Verdict

8.2/10

Our view of the LX-055 for recurring glass chores

When the tall window becomes the chore you keep postponing, the LX-055 offers a useful change of routine. We recommend it for regular household upkeep, and it is well placed overall in our scores. Give the wiping a helper.

Our verdict: For framed windows and nearby power, it merits consideration. Mova N1 has a higher backup battery holding time value of 30 min than the LX-055. Choose the Mova N1 instead when a longer backup duration matters most.

Worth noting What holds us back is its comparatively modest suction specification. Avoid it if a stronger advertised suction figure is central to your choice.

Review by Romain Brunel, founder of Window-cleaning Robot Picks

Who it's for

Who will appreciate help with framed windows and bathroom mirrors?

  • Households maintaining framed windows regularly
  • Readers who prefer a remote control
  • Owners seeking mirror and tile compatibility
  • People comfortable supervising each cleaning session

This robot suits someone who keeps putting off the framed living room windows because the reaching and wiping feel like a whole afternoon's assignment. Automatic spraying and remote control offer a useful change of routine, while verified mirror and tile compatibility adds household flexibility. You should be comfortable staying nearby and handling the machine between locations.

Less suitable if

Skip this model if your plan depends on cleaning away from an outlet or leaving the machine unattended. It is also a poor match if your windows are frameless, since the verified window compatibility covers framed glass.

Dimensions

How the LX-055 fits into the lifting and positioning routine

Width145 mm
Height295 mm
Thickness (perpendicular to glass)82 mm
Weight1,16 kg

Specifications

The LX-055 pairs dual spray with a remote control

Suction pressure2800 Pa
Electrical power72 W
Water tank capacity70 ml
Backup battery holding time20 min
Robot height8,2 cm
Robot weight1,16 kg
Power supply during cleaningMains-powered
Compatible surfacesMirrors, Tiles
Window compatibilityFramed
SprayingDual spray, Automatic
ControlRemote control
Safety featuresUPS backup battery, Edge detection, Safety rope
Cleaning modesEdges
PowerMains power 24 V / 3 A
Backup batteryLi-Ion 500 mAh
Safety rope length4 m

Pros

This robotic window cleaner brings spraying and backup safeguards together

  • Automatic dual spray for recurring glass chores
  • Remote control for operating the robot
  • Verified compatibility with framed windows, mirrors, and tiles
  • UPS backup battery, edge detection, and safety rope
  • Dedicated edges cleaning mode

Cons

Where the LX-055 asks you to keep expectations measured

  • Suction pressure sits near the bottom of advertised category figures
  • Cleaning requires access to an outlet
  • You handle transfers between windows
  • Edges mode does not mean complete corner coverage

Our scores explained

How this window cleaning robot stands across our criteria

Every model on the site is scored on the same criteria, using the same scale: its position among models with verified data for that specification. Last place earns 6.5, first place 9.6, and the rest are scored in proportion to their rank. Here is how this model's scores are calculated.

Two model counts: the rank and average include product pages on this site scored for the criterion; the calculation compares the model with all catalogue models whose specification is verified, with or without a product page. A score assigned at publication may remain without a verified specification, so the first count can sometimes be higher.

Suction pressure: 7.1/10

Lifenaxx LX-055 scores 7.1/10 on this criterion. Across the 14 product pages on the site with a score for this criterion, the average is 8.1: below average, Rank 10 out of 14.

View calculation
Shared baseline: last place in the ranking6.5
Suction pressure: 2 800 Pa ; 0 perform worse, 9 perform better, 5 are tied (including this model), among the 14 catalogue models with this specification verified+0.6
Suction pressure score7.1/10

Calculation: (0 + 5 ÷ 2) ÷ 14 = 17.86% of the ranking; 6.5 + 17.86% × 3.1 = 7.1/10, rounded to one decimal place.

Water tank capacity: 8.7/10

Lifenaxx LX-055 scores 8.7/10 on this criterion. Across the 18 product pages on the site with a score for this criterion, the average is 8.1: above average, Rank 5 out of 18.

View calculation
Shared baseline: last place in the ranking6.5
Water tank capacity: 70 ml ; 12 perform worse, 4 perform better, 2 are tied (including this model), among the 18 catalogue models with this specification verified+2.2
Water tank capacity score8.7/10

Calculation: (12 + 2 ÷ 2) ÷ 18 = 72.22% of the ranking; 6.5 + 72.22% × 3.1 = 8.7/10, rounded to one decimal place.

Backup battery holding time: 7.5/10

Lifenaxx LX-055 scores 7.5/10 on this criterion. Across the 16 product pages on the site with a score for this criterion, the average is 8.1: below average, Rank 7 out of 16.

View calculation
Shared baseline: last place in the ranking6.5
Backup battery holding time: 20 min ; 0 perform worse, 6 perform better, 10 are tied (including this model), among the 16 catalogue models with this specification verified+1
Backup battery holding time score7.5/10

Calculation: (0 + 10 ÷ 2) ÷ 16 = 31.25% of the ranking; 6.5 + 31.25% × 3.1 = 7.5/10, rounded to one decimal place.

Equipment: 9.5/10

Lifenaxx LX-055 scores 9.5/10 on this criterion. Across the 27 product pages on the site with a score for this criterion, the average is 8.1: above average, 1st out of 27.

View calculation
Shared baseline: last place in the ranking6.5
9 features found out of 17 tracked: 25 perform worse, 0 perform better, 2 are tied (including this model), among the 27 catalogue models with this specification verified+3
Equipment score9.5/10

Calculation: (25 + 2 ÷ 2) ÷ 27 = 96.3% of the ranking; 6.5 + 96.3% × 3.1 = 9.5/10, rounded to one decimal place.

Recorded features: Compatible surfaces (Mirrors, Tiles), Spraying (Automatic, Dual spray), Control (Remote control), Safety features (UPS backup battery, Safety rope, Edge detection), Cleaning modes (Edges).

The retailer does not specify: Indoor / outdoor cleaning. These features are not counted.

Overall score: 8.2/10, the average of the 4 scores above.

Our full methodology

Detailed analysis

By Saturday morning, the glass beside the backyard door can carry a week's worth of handprints, while the tall living room window waits for someone with patience and a stepladder. The Lifenaxx LX-055 brings automatic dual spray, remote control, and backup safeguards to those recurring chores. Does that combination deserve a place in your cleaning routine? There is plenty to consider, along with a clear reason to compare alternatives.

The LX-055 window cleaning robot has 2800 Pa suction to weigh up

The tall living room window looks manageable until you start reaching across it with a damp cloth, trying to keep your sleeve out of the way. The Lifenaxx LX-055 offers a different arrangement: suction holds the machine against the glass while you stay nearby to supervise. Its advertised 2800 Pa sits among the lowest suction levels for window cleaning robots. That is our main reservation, particularly for readers choosing a machine around this specification.

More suction does not automatically mean cleaner glass, and this figure cannot predict how every mark will respond. Still, it gives you a useful reason to compare alternatives before choosing. The LX-055 is well placed overall in our scores, with a practical collection of household features. We would consider it for regular upkeep, with expectations centered on assistance rather than handing over every part of the job. Your shoulders may appreciate the change of assignment.

A 70 ml tank gives the window cleaning robot LX-055 a familiar rhythm

Automatic dual spray is the feature we like most for the everyday business of keeping glass presentable. With a 70 ml reservoir, the LX-055 carries a typical tank size for this category. Think of it as liquid available for the current cleaning session, with refill needs shaped by the amount of glass and how much moisture the job needs. It is not a promise to finish the whole sunroom before you return to the sink.

After a spring afternoon outdoors, the sliding glass door can collect enough fingerprints to suggest that everyone entered with their hands first. Automatic spraying makes sense for that recurring chore. Moisture helps the cleaning process; stubborn residue still calls for realistic expectations. The dirt, cleaning solution, and cloth condition all influence the finish. An edges mode is also specified, although that does not mean the robot reaches completely into every corner.

What does the LX-055's 20 min backup mean during a power interruption?

A stopped appliance is inconvenient. A stopped robot attached to a window needs prompt attention. The UPS backup battery is advertised to keep the LX-055 attached during a power interruption for 20 min, a typical backup duration among window cleaning robots. That gives you time to retrieve it; it does not provide a separate cleaning session away from the outlet.

This is a mains-powered machine, so plan access to power before positioning it. The safety equipment also includes edge detection and a safety rope. Follow manufacturers' instructions by securing the tether to a fixed anchor point and remaining nearby while cleaning. Keep that routine even when the backup battery is ready.

For a tall framed window, think through retrieval before starting. Can you comfortably reach the machine again? That practical detail matters more than having your coffee ready while the robot is occupied.

Moving this robotic window cleaner around the house takes planning

Framed windows, mirrors, and tiles are the verified surfaces here. That gives the LX-055 potential household jobs beyond the living room glass, including the bathroom mirror. Keep those supported surfaces in mind when deciding where it belongs; compatibility is not a promise that every kind of residue will lift readily.

At 1,16 kg, the robot is something you will lift, position, and retrieve as you move between surfaces. Consider that handling at shoulder height, especially when the next window is awkward to reach. The remote control provides a separate controller for operation, which may suit readers who prefer straightforward physical controls.

Moving between windows remains your responsibility. Set up each location with power access and a secured tether, rather than treating the room as an unattended cleaning route. Before ordering, confirm replacement cleaning cloth availability with the retailer so routine upkeep does not become a scavenger hunt.

Which alternative belongs on your picture window shortlist?

The strongest reason to look elsewhere depends on the chore you want help with. Ecovacs WINBOT W2S OMNI has a higher suction pressure value of 8000 Pa than the LX-055. That makes the Ecovacs WINBOT W2S OMNI a relevant alternative when suction is your deciding criterion. It is also better rated overall in our scores. Those advantages give it a clear place in this comparison without promising a particular finish on your windows.

Lubluelu CHYW201 has a higher water tank capacity value of 160 ml than the LX-055. With more liquid aboard, the Lubluelu CHYW201 makes more sense for broad picture windows and a sunroom full of glass. Its larger tank gives you more room to work before replenishing the cleaning liquid. Choose around the task that tires you out most, rather than collecting features you may rarely need.

Romain Brunel

Analysis by Romain Brunel

Founder of Window-cleaning Robot Picks

We analyse window-cleaning robot manuals, technical specifications and buyer reviews. We explain surface, power supply and safety requirements, highlighting missing information and the limitations of the available data.

Updated on October 4, 2026

Frequently asked questions

Your questions about the LX-055 before ordering

Can the LX-055 clean without being plugged in?

No. Cleaning requires mains power. The UPS battery is intended to keep the robot attached during a power interruption while you retrieve it. Keep the safety tether secured and stay nearby; the backup does not turn it into a battery-powered cleaning machine.

Does the LX-055 support frameless windows or bathroom mirrors?

Framed windows, mirrors, and tiles are the verified compatible surfaces. Frameless windows are outside that verified compatibility. For a bathroom mirror, check that you can position and retrieve the machine comfortably while arranging power access and securing the safety tether.

Will the edges mode clean every corner completely?

No complete corner coverage is established by the edges mode. Treat it as a cleaning option rather than a promise to reach every corner. You may still need to finish awkward areas manually, particularly where angled sunlight makes remaining marks easy to notice.

What should I confirm before ordering this window cleaning robot?

Confirm the package contents, including the safety tether and any extension cord, rather than assuming every setup accessory is included. Ask the retailer about replacement cloths, warranty coverage, return rules, and the contact route for customer support before placing your order.

At a glance

Lifenaxx LX-055

8.2/10Overall rating

Pros

  • Automatic dual spray for recurring glass chores
  • Remote control for operating the robot
  • Verified compatibility with framed windows, mirrors, and tiles
  • UPS backup battery, edge detection, and safety rope

What to know before buying

  • Suction pressure sits near the bottom of advertised category figures
  • Cleaning requires access to an outlet
  • You handle transfers between windows
  • Edges mode does not mean complete corner coverage
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