Compare Roborock Q Revo Pro Robot Vacuum and Mop vs Roborock Qrevo Edge S5A Robot Vacuum and Mop

P1 Roborock Q Revo Pro Robot Vacuum and Mop
P2 Roborock Qrevo Edge S5A Robot Vacuum and Mop

Comparison Takeaways

Roborock Q Revo Pro Robot Vacuum and Mop

Where It Has the Edge

  • Stuck resistance is 4.6 vs 3.4. Stuck resistance is generally a strength in real-home clutter, with at least one reviewer noting it did not...
  • Dirty water sensor is 4.7 vs 4.1.
  • Aesthetic design and finish is 4.2 vs 3.7. Aesthetics are generally viewed as clean and unobtrusive, with the dock described as sleek and the overall look...
  • Solution / Liquid system is 3.2 vs 2.8. Solution use is supported via adding solution manually to water, but reviewers note there is no dedicated detergent/solution...

Roborock Qrevo Edge S5A Robot Vacuum and Mop

Where It Has the Edge

  • Bin and Bag is 4.5 vs 2.8. Uses a dock dust-bag system that empties cleanly and is easy to swap with minimal mess. Reported replacement...
  • Hair‑Wrap / Tangle Resistance is 4.8 vs 3.2. Hair-wrap resistance is one of the biggest strengths: the DuoDivide brush and redesigned side brush greatly reduce tangles....
  • Edge and Baseboard Cleaning (Hard Floors) is 4.6 vs 3.2. Edge and baseboard cleaning is a consistent strength, helped by an extending mop pad and flex arm side...
  • Suction and Airflow is 4.4 vs 3.4. Strong rated suction (up to 18,500 Pa) and consistently good real-world pickup, even when lab airflow/pressure measures slightly...
Average score
Product 1: Roborock Q Revo Pro Robot...
4.0
Product 2: Roborock Qrevo Edge S5A Robot...
4.2
Accessories and Tools
Product 1: Roborock Q Revo Pro Robot...
No score yet
Product 2: Roborock Qrevo Edge S5A Robot...
4.4

The box contents are comprehensive for an all-in-one robot: dock, ramp, mop pads, power cord, an extra dust bag, and printed guides, making it easy to get started without extra purchases.

Adaptive chassis lift
Product 1: Roborock Q Revo Pro Robot...
No score yet
Product 2: Roborock Qrevo Edge S5A Robot...
1.2

This model does not include an adaptive lift chassis, which limits threshold climbing compared with the higher Edge model and some flagships. If your home has tall transitions, this is a notable constraint.

Aesthetic design and finish
Product 1: Roborock Q Revo Pro Robot...
4.2

Aesthetics are generally viewed as clean and unobtrusive, with the dock described as sleek and the overall look easy to blend into home decor.

Product 2: Roborock Qrevo Edge S5A Robot...
3.7

Design is generally viewed as modern and clean, though some reviewers prefer the more premium-looking alternatives (for example Curv or flagships). The dock can look a bit industrial, but the robot and station still fit well in most rooms.

AI, Smart, App and Automation
Product 1: Roborock Q Revo Pro Robot...
4.5

The app experience is repeatedly called out as a key strength: advanced map editing, room/zone targeting, schedules, no-go/no-mop zones, cleaning customization (passes, suction, water flow), and features like pin-and-go are all highlighted.

Product 2: Roborock Qrevo Edge S5A Robot...
4.7

Automation and smart features are a highlight: schedules, no-go/no-mop zones, multi-floor maps, granular suction and water control, assistant integrations, and dock control. Obstacle detection relies on structured-light style sensing rather than a camera on this model.

Area Rug Handling
Product 1: Roborock Q Revo Pro Robot...
No score yet
Product 2: Roborock Qrevo Edge S5A Robot...
4.2

Mop pads lift when carpet/rugs are detected and many users report rugs staying dry during transitions. Very high-pile carpets may still get damp depending on settings, so vacuum-first routines can be helpful.

Assembly and Setup
Product 1: Roborock Q Revo Pro Robot...
3.7

Physical setup is usually easy, but several sources mention the first mapping/app onboarding can be the slowest or most failure-prone part, sometimes requiring multiple attempts before stable operation.

Product 2: Roborock Qrevo Edge S5A Robot...
4.7

Setup is described as straightforward: attach the ramp, plug in the dock, charge, pair to Wi‑Fi, and fill the clean water tank. Most reviewers report quick, hassle-free first run and mapping.

Battery and Charging
Product 1: Roborock Q Revo Pro Robot...
4.5

Battery life is generally described as good, with reviewers stating it can handle whole-home sessions. Measured/test-style sources cite long runtimes for the platform and stable charging/dock behavior once configured.

Product 2: Roborock Qrevo Edge S5A Robot...
4.4

Battery life is repeatedly called a strong point, with a large battery and long runtimes on lower suction settings. Higher suction drains faster, and some testing shows max-power coverage below average, but typical mixed use is expected to fall in between.

Bin and Bag
Product 1: Roborock Q Revo Pro Robot...
2.8

The system uses a dock dust bag for auto-emptying in the described configurations. The onboard bin can become overfull if auto-empty behavior is disrupted, which can reduce suction until resolved.

Product 2: Roborock Qrevo Edge S5A Robot...
4.5

Uses a dock dust-bag system that empties cleanly and is easy to swap with minimal mess. Reported replacement cadence ranges from roughly 30–60 days to about 2–3 months depending on debris load.

Build quality and durability
Product 1: Roborock Q Revo Pro Robot...
4.8

Build quality is typically described as sturdy and in line with Roborock’s usual standards, with test-style sources rating materials and dock/robot construction as durable-feeling.

Product 2: Roborock Qrevo Edge S5A Robot...
No score yet
Carpet — High-Pile Pickup
Product 1: Roborock Q Revo Pro Robot...
3.6

High-pile carpet performance is described as solid for surface-level debris but not a replacement for a strong upright on thick carpets. Some tests show more leftover granular debris on thicker pile.

Product 2: Roborock Qrevo Edge S5A Robot...
No score yet
Carpet — Low-Pile Pickup
Product 1: Roborock Q Revo Pro Robot...
4.0

Low-pile carpet pickup is generally rated good, though granular debris may be the main thing left behind in some tests. Multiple passes can improve outcomes.

Product 2: Roborock Qrevo Edge S5A Robot...
No score yet
Carpet — Medium-Pile Pickup
Product 1: Roborock Q Revo Pro Robot...
No score yet
Product 2: Roborock Qrevo Edge S5A Robot...
4.5

Carpet cleaning is generally rated strong for the tier, including an above-average deep-cleaning score in testing and good pickup on rugs. Performance is not positioned as flagship-level, but it is consistently described as effective.

Clogging and debris prevention
Product 1: Roborock Q Revo Pro Robot...
No score yet
Product 2: Roborock Qrevo Edge S5A Robot...
4.6

The brush and dock system handle heavy hair and mixed debris without frequent clogs, and auto-emptying is reported to work without choking on hair. Occasional checks are still advisable, but clogging is not a common complaint.

Comparative performance
Product 1: Roborock Q Revo Pro Robot...
No score yet
Product 2: Roborock Qrevo Edge S5A Robot...
4.1

Across comparisons, the S5A is framed as upper mid-tier: strong fundamentals and automation, but behind flagships in obstacle avoidance sophistication and premium extras. Many reviewers still consider it a sweet spot when priced well.

Controls and UI
Product 1: Roborock Q Revo Pro Robot...
4.5

Controls and UI are described as straightforward, with both onboard buttons and deep in-app controls. Reviewers emphasize clarity of map management and cleaning settings access.

Product 2: Roborock Qrevo Edge S5A Robot...
4.6

The Roborock app and controls are repeatedly called intuitive and customizable, with clear UI for maps, routines, suction, and water levels. Live video-style viewing is not available on this model, but core control is polished.

Corner Cleaning (Robot)
Product 1: Roborock Q Revo Pro Robot...
No score yet
Product 2: Roborock Qrevo Edge S5A Robot...
4.4

Corner cleaning improves notably thanks to an extending side brush, leaving corners visibly cleaner than many robots. Some reviews still note a small amount of leftover debris in tight corners.

Crevice / Groove Pickup (Hard Floors)
Product 1: Roborock Q Revo Pro Robot...
5.0

Crevice/groove pickup on hard floors is reported as excellent in test-style content, with at least one source describing near-perfect results in crevice-focused trials.

Product 2: Roborock Qrevo Edge S5A Robot...
No score yet
Dirty water sensor
Product 1: Roborock Q Revo Pro Robot...
4.7

No summary yet.

Product 2: Roborock Qrevo Edge S5A Robot...
4.1

The dock dirt-detection and remopping concept can work well (for example, triggering a second pass after muddy paw prints). However, other testing reports it did not reliably detect certain dried stains, making the behavior inconsistent.

Docking and Auto-Empty Reliability (Robot)
Product 1: Roborock Q Revo Pro Robot...
3.7

The dock is generally portrayed as capable (auto-empty, mop wash, mop dry), but there are reports of docking/auto-empty hiccups during early use or certain setups. Some reviewers saw the issue resolve; others suggest contacting support if auto-empty does not behave normally.

Product 2: Roborock Qrevo Edge S5A Robot...
4.6

Docking and automation are consistently reliable in reviews: automatic dust emptying, water refilling, mop washing, and drying generally work as expected. The tradeoff is a larger dock footprint compared with simpler stations.

Dock noise
Product 1: Roborock Q Revo Pro Robot...
3.5

Dock emptying noise is described as noticeable but not unusual for the category, and one comparative test ranks Q Revo models among the quieter options overall, with dock noise still being distinctly audible.

Product 2: Roborock Qrevo Edge S5A Robot...
No score yet
Dried-On Stain Removal
Product 1: Roborock Q Revo Pro Robot...
No score yet
Product 2: Roborock Qrevo Edge S5A Robot...
4.3

Handles common dried messes well, including muddy paw prints and dried coffee, often improving significantly on a second pass. Tougher stains like dried ketchup may require multiple passes and sometimes manual intervention.

Ease of use
Product 1: Roborock Q Revo Pro Robot...
4.4

Ease of use is high once initial mapping is complete, largely because the dock automates emptying and mop care, and the app makes scheduling and per-room customization simple.

Product 2: Roborock Qrevo Edge S5A Robot...
No score yet
Edge and Baseboard Cleaning (Hard Floors)
Product 1: Roborock Q Revo Pro Robot...
3.2

Edge and baseboard outcomes are mixed depending on whether you mean mopping or vacuuming. Multiple reviews praise edge/overhang mopping via the extending mop, but one test-focused review reports very poor edge cleaning behavior overall due to how close the robot navigates to edges.

Product 2: Roborock Qrevo Edge S5A Robot...
4.6

Edge and baseboard cleaning is a consistent strength, helped by an extending mop pad and flex arm side brush that can reach right up to walls. It is often described as better than most robot mops, though not always perfect in tight corners.

Edge‑Following Accuracy (Robot)
Product 1: Roborock Q Revo Pro Robot...
No score yet
Product 2: Roborock Qrevo Edge S5A Robot...
4.4

Edge-following is strong, with the robot staying close to walls and the mop pad reaching into baseboard lines. Reviewers often show it maintaining contact better than typical robot mops.

Emptying and Mess Control
Product 1: Roborock Q Revo Pro Robot...
No score yet
Product 2: Roborock Qrevo Edge S5A Robot...
4.6

Auto-emptying to a sealed bag keeps dust handling clean and hands off, and swapping bags is reported to be quick with minimal mess. This is a major convenience advantage for frequent cleaning.

Fresh Liquid Pickup Speed
Product 1: Roborock Q Revo Pro Robot...
No score yet
Product 2: Roborock Qrevo Edge S5A Robot...
4.5

Fresh liquid pickup is reported as effective when mopping up spills like a glass of water, with the spinning pads absorbing and clearing liquid without leaving notable residue.

Hair-removal channel issues
Product 1: Roborock Q Revo Pro Robot...
No score yet
Product 2: Roborock Qrevo Edge S5A Robot...
4.4

When hair does collect, it tends to channel toward the center of the split brush, making it quick to remove by hand. This is described as manageable rather than a major snagging problem.

Hair Pickup — Carpets
Product 1: Roborock Q Revo Pro Robot...
No score yet
Product 2: Roborock Qrevo Edge S5A Robot...
4.3

Carpet hair pickup is usually strong, especially on rugs, though a few tests still show small amounts of hair remaining after a pass. Overall performance is described as better than average for this tier.

Hair Pickup — Hard Floors
Product 1: Roborock Q Revo Pro Robot...
No score yet
Product 2: Roborock Qrevo Edge S5A Robot...
4.7

Hair pickup on hard floors is a standout, including long and even slightly damp strands, with users reporting thorough collection and minimal cleanup afterward.

Hair‑Wrap / Tangle Resistance
Product 1: Roborock Q Revo Pro Robot...
3.2

Hair-wrap resistance is mixed: some hands-on reviews say it avoids tangles well in typical use, but comparative testing with long hair can place it behind certain other Roborock models, especially with longer strands and heavier loads.

Product 2: Roborock Qrevo Edge S5A Robot...
4.8

Hair-wrap resistance is one of the biggest strengths: the DuoDivide brush and redesigned side brush greatly reduce tangles. In extreme stress tests, some hair may channel to the center and require a quick manual pull, but it is easy to clear.

Hard Floor — Fine Dust Pickup
Product 1: Roborock Q Revo Pro Robot...
4.2

Hard-floor fine debris performance is typically strong overall, though some comparative content shows small leftovers in certain test mixes and emphasizes that full-run results matter more than the first pass.

Product 2: Roborock Qrevo Edge S5A Robot...
4.6

Hard-floor fine dust pickup is repeatedly described as strong, including successfully collecting very fine particles like powdery debris without leaving a visible film.

Hard Floor — Large Debris Intake
Product 1: Roborock Q Revo Pro Robot...
4.2

Large debris intake on hard floors is generally reported as very good, including visible success with mixed debris like cereal and pet hair in non-lab demonstrations.

Product 2: Roborock Qrevo Edge S5A Robot...
4.6

Handles larger debris well on hard floors, such as crumbs, rice, and oatmeal, often clearing scattered mess in a single run or a couple of passes.

Headlight and LED lights
Product 1: Roborock Q Revo Pro Robot...
No score yet
Product 2: Roborock Qrevo Edge S5A Robot...
1.5

This model is noted as lacking built-in LED or headlight illumination, which some reviewers say would help in dim rooms and for better obstacle detection.

Heating element
Product 1: Roborock Q Revo Pro Robot...
No score yet
Product 2: Roborock Qrevo Edge S5A Robot...
4.4

The dock uses heated processes (hot water mop washing and warm/hot air drying). Some testing questions whether advertised maximum water temperature is reached, but the heating still appears effective for pad cleaning and drying.

Low-profile design
Product 1: Roborock Q Revo Pro Robot...
No score yet
Product 2: Roborock Qrevo Edge S5A Robot...
4.3

The robot is relatively slim for a LiDAR-top model (around 4 inches / ~9.8 cm), helping it fit under more furniture than many competitors. It is still taller than ultra-thin flagships that remove the top LiDAR turret.

Maintenance requirements
Product 1: Roborock Q Revo Pro Robot...
4.5

Maintenance requirements are low for the category: routine tasks are mainly water tank swaps/refills and occasional filter/brush checks, with bag replacements as the primary recurring dock consumable.

Product 2: Roborock Qrevo Edge S5A Robot...
4.4

Maintenance is largely hands off thanks to the auto-empty and mop-wash dock, plus reduced hair tangling. Users still need to replace bags, rinse/clean the dock tray occasionally, and maintain filters and pads.

Map and Path Efficiency (Robot Vacuums)
Product 1: Roborock Q Revo Pro Robot...
4.1

Navigation and map efficiency are usually strong once configured, but first-time mapping can be inconsistent for some users (multiple attempts needed). After setup, room/zone routines and multi-level support are described as robust.

Product 2: Roborock Qrevo Edge S5A Robot...
4.6

LiDAR-based navigation earns strong marks for fast, accurate mapping and efficient room coverage. Multi-floor support and reliable pathing are repeatedly highlighted as core strengths.

Mop lifting system
Product 1: Roborock Q Revo Pro Robot...
4.3

Mop lifting is a core behavior: it lifts pads over carpet to prevent soaking, with reviewers citing a modest lift height and generally effective transitions between hard floors and rugs.

Product 2: Roborock Qrevo Edge S5A Robot...
4.4

The mop lifting system (about 10 mm) works well for most rugs and carpets and helps prevent wetting during transitions. Very plush/high-pile carpet can still be challenging without using vacuum-first settings.

Mopping performance
Product 1: Roborock Q Revo Pro Robot...
4.2

Mopping is consistently described as a standout: spinning pads scrub well for day-to-day messes, can improve results with multiple passes, and the system supports mop washing plus targeted re-mop behavior when dirt is detected. Some users mention temporary smearing that improves after pad washing or adjusted wash frequency.

Product 2: Roborock Qrevo Edge S5A Robot...
4.5

Mopping performance is widely praised: dual spinning pads, adjustable water output, and frequent pad washing produce clean, refreshed hard floors. Sticky dried stains may take multiple passes, but everyday grime is handled very well.

Noise level
Product 1: Roborock Q Revo Pro Robot...
4.3

Operational noise is frequently rated favorably for a robot vacuum, with comparative testing placing Q Revo models among the quieter options overall, though high-power modes and auto-empty events remain clearly audible.

Product 2: Roborock Qrevo Edge S5A Robot...
4.5

Generally quieter than many competitors; peak loudness is cited around 70 dB on higher suction, and real-home testing reports low disruption (pets barely reacting).

Obstacle Avoidance (Robot)
Product 1: Roborock Q Revo Pro Robot...
3.5

Obstacle avoidance is good for larger, obvious items, but cords and some low-profile objects remain a common failure mode. Multiple reviewers highlight the limitation of reactive/laser-only avoidance versus camera-based systems.

Product 2: Roborock Qrevo Edge S5A Robot...
3.3

Obstacle avoidance is the most mixed area: some users see graceful navigation around common items, while multiple controlled tests show it can run over cables and miss smaller or low objects, especially on carpet. Camera-equipped models are consistently reported as better here.

Odor control
Product 1: Roborock Q Revo Pro Robot...
No score yet
Product 2: Roborock Qrevo Edge S5A Robot...
4.8

Hot-water washing plus hot/warm air drying helps keep mop pads fresh, and at least one real-home review explicitly reports no lingering smells after repeated runs.

Ongoing ownership costs (bags, filters, batteries)
Product 1: Roborock Q Revo Pro Robot...
4.2

No summary yet.

Product 2: Roborock Qrevo Edge S5A Robot...
4.2

Consumables are typical for an auto-empty robot: dust bags and periodic filter cleaning/replacement. Reported bag life of 30–60 days (or 2–3 months) helps keep ongoing costs manageable, but you may also buy cleaning solution since it is manually dosed.

Pet-Ready Features
Product 1: Roborock Q Revo Pro Robot...
No score yet
Product 2: Roborock Qrevo Edge S5A Robot...
4.6

Well-suited to pet homes thanks to excellent hair pickup and anti-tangle brush design. It lacks camera-based pet recognition features found on higher models, but day-to-day pet hair cleanup is a standout.

Price and Value
Product 1: Roborock Q Revo Pro Robot...
4.4

Value is highly price-sensitive: reviewers call it a strong buy when discounted and more debatable at full MSRP, especially given that some competitors offer stronger suction or camera-based obstacle avoidance at similar prices.

Product 2: Roborock Qrevo Edge S5A Robot...
4.3

Value is strongest when discounted, with multiple reviewers calling sale pricing an excellent deal versus higher models with cameras or chassis lift. At full price it sits in an upper mid-tier range and may feel expensive if you mainly want top obstacle avoidance.

Privacy controls
Product 1: Roborock Q Revo Pro Robot...
No score yet
Product 2: Roborock Qrevo Edge S5A Robot...
4.6

The absence of a front-facing camera means no live video monitoring, which many see as a privacy benefit. The tradeoff is weaker camera-assisted obstacle recognition and fewer monitoring features compared with models that include an RGB camera.

Runtime
Product 1: Roborock Q Revo Pro Robot...
No score yet
Product 2: Roborock Qrevo Edge S5A Robot...
4.7

Measured low-suction runtime and coverage are impressive in testing, with the robot covering roughly 3,947 sq ft before reaching 0% battery, which is above average. Measured max-suction runtime and coverage are weaker in testing, with roughly 513 sq ft covered before depletion, which is below average. Expect significantly better results on mixed or lower suction settings.

Self-cleaning cycle
Product 1: Roborock Q Revo Pro Robot...
4.6

The self-cleaning workflow is a major value point: the dock washes the mop pads (including hot/warm water in some descriptions), can trigger extra rewashing based on detected dirtiness, and dries pads to reduce odor.

Product 2: Roborock Qrevo Edge S5A Robot...
4.6

The dock automates mop washing, pad drying, water refills, and in some cases self-cleaning of the base tray. Reviews generally find these cycles effective and appreciate the reduced hands-on maintenance.

Software-update support / feature longevity
Product 1: Roborock Q Revo Pro Robot...
3.8

Several reviewers explicitly suggest software updates could improve edge/navigation behavior, and the platform is treated as feature-evolving through app/firmware changes over time.

Product 2: Roborock Qrevo Edge S5A Robot...
No score yet
Solution / Liquid system
Product 1: Roborock Q Revo Pro Robot...
3.2

Solution use is supported via adding solution manually to water, but reviewers note there is no dedicated detergent/solution tank, and some would prefer one for convenience.

Product 2: Roborock Qrevo Edge S5A Robot...
2.8

There is no auto solution or detergent dispensing tank, so cleaning solution must be added manually to the clean water tank. Multiple reviews call this a missed feature at this price.

Storage footprint and upright-stand stability
Product 1: Roborock Q Revo Pro Robot...
No score yet
Product 2: Roborock Qrevo Edge S5A Robot...
3.8

The dock is described as larger because it houses clean/dirty tanks and the auto-empty system, so it needs dedicated floor space. Some comparisons note it is narrower than certain flagship docks, but it is still a sizable station.

Streaking / Residue
Product 1: Roborock Q Revo Pro Robot...
3.6

Streaking/smearing can appear during heavier mopping, especially when pads get saturated with dirt, but reviewers also note it can improve when the dock rewashes pads or when pad-wash frequency is increased in the app.

Product 2: Roborock Qrevo Edge S5A Robot...
4.2

Mopping is typically reported as streak free on hard flooring, but heavy muddy messes can smear on an initial pass before pad washing and follow-up cleaning improves the result.

Stuck resistance
Product 1: Roborock Q Revo Pro Robot...
4.6

Stuck resistance is generally a strength in real-home clutter, with at least one reviewer noting it did not require frequent rescues or re-docking in a challenging environment, though it can still snag on cords.

Product 2: Roborock Qrevo Edge S5A Robot...
3.4

Most day-to-day runs are described as smooth with few stops, but the robot can still get caught by cables or a sock in some tests. Lack of chassis lift also limits its ability to self-recover on tall thresholds.

Suction and Airflow
Product 1: Roborock Q Revo Pro Robot...
3.4

Suction is frequently framed as adequate rather than class-leading. Some users note it can look weak on first passes or when the onboard bin is overly full, but end-of-run results can still be very clean after multiple passes.

Product 2: Roborock Qrevo Edge S5A Robot...
4.4

Strong rated suction (up to 18,500 Pa) and consistently good real-world pickup, even when lab airflow/pressure measures slightly below average. Overall cleaning results on hard floors and rugs are described as above average for the price tier.

Suitability for small spaces
Product 1: Roborock Q Revo Pro Robot...
No score yet
Product 2: Roborock Qrevo Edge S5A Robot...
3.3

The robot itself suits small spaces well thanks to efficient mapping, but the multifunction dock is relatively large. Homes with limited floor space near outlets may need to plan dock placement carefully.

Support and Reliability
Product 1: Roborock Q Revo Pro Robot...
3.2

Reliability feedback is mostly positive but includes specific concerns about auto-empty/docking behavior in early use for some owners. Reviewers recommend checking settings and contacting support if the dock does not empty as expected.

Product 2: Roborock Qrevo Edge S5A Robot...
No score yet
Under-Furniture Pickup
Product 1: Roborock Q Revo Pro Robot...
4.3

Under-furniture pickup is described positively in hands-on demos, including the ability to reach under some cabinet/toekick areas; effectiveness will still depend on clearance and the specific layout.

Product 2: Roborock Qrevo Edge S5A Robot...
4.3

Its relatively low height helps it reach under furniture and low cabinetry where many robots miss dust. At least one real-home test highlights under-cabinet cleaning as a major day-to-day benefit.

Water tank
Product 1: Roborock Q Revo Pro Robot...
No score yet
Product 2: Roborock Qrevo Edge S5A Robot...
4.5

The clean/dirty water tank setup is a key convenience feature; reviewers cite large tanks (around 4 L clean and ~3.5 L dirty in one real-home test) and automatic onboard refills. This enables multiple full clean-and-mop sessions before needing attention.